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Definition of biography

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So You've Been Asked to Submit a Biography

In a library, the word biography refers both to a kind of book and to a section where books of that kind are found. Each biography tells the story of a real person's life. A biography may be about someone who lived long ago, recently, or even someone who is still living, though in the last case it must necessarily be incomplete. The term autobiography refers to a biography written by the person it's about. Autobiographies are of course also necessarily incomplete.

Sometimes biographies are significantly shorter than a book—something anyone who's been asked to submit a biography for, say, a conference or a community newsletter will be glad to know. Often the word in these contexts is shortened to bio , a term that can be both a synonym of biography and a term for what is actually a biographical sketch: a brief description of a person's life. These kinds of biographies—bios—vary, but many times they are only a few sentences long. Looking at bios that have been used in the same context can be a useful guide in determining what to put in your own.

Examples of biography in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biography.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Late Greek biographia , from Greek bi- + -graphia -graphy

1665, in the meaning defined at sense 2

Dictionary Entries Near biography

biographize

Cite this Entry

“Biography.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/biography. Accessed 12 Apr. 2024.

Kids Definition

Kids definition of biography, more from merriam-webster on biography.

Nglish: Translation of biography for Spanish Speakers

Britannica English: Translation of biography for Arabic Speakers

Britannica.com: Encyclopedia article about biography

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What Is a Biography?

Learning from the experiences of others is what makes us human.

At the core of every biography is the story of someone’s humanity. While biographies come in many sub-genres, the one thing they all have in common is loyalty to the facts, as they’re available at the time. Here’s how we define biography, a look at its origins, and some popular types.

“Biography” Definition

A biography is simply the story of a real person’s life. It could be about a person who is still alive, someone who lived centuries ago, someone who is globally famous, an unsung hero forgotten by history, or even a unique group of people. The facts of their life, from birth to death (or the present day of the author), are included with life-changing moments often taking center stage. The author usually points to the subject’s childhood, coming-of-age events, relationships, failures, and successes in order to create a well-rounded description of her subject.

Biographies require a great deal of research. Sources of information could be as direct as an interview with the subject providing their own interpretation of their life’s events. When writing about people who are no longer with us, biographers look for primary sources left behind by the subject and, if possible, interviews with friends or family. Historical biographers may also include accounts from other experts who have studied their subject.

The biographer’s ultimate goal is to recreate the world their subject lived in and describe how they functioned within it. Did they change their world? Did their world change them? Did they transcend the time in which they lived? Why or why not? And how? These universal life lessons are what make biographies such a meaningful read.

Origins of the Biography

Greco-Roman literature honored the gods as well as notable mortals. Whether winning or losing, their behaviors were to be copied or seen as cautionary tales. One of the earliest examples written exclusively about humans is Plutarch’s Parallel Lives (probably early 2 nd century AD). It’s a collection of biographies in which a pair of men, one Greek and one Roman, are compared and held up as either a good or bad example to follow.

In the Middle Ages, Einhard’s The Life of Charlemagne (around 817 AD) stands out as one of the most famous biographies of its day. Einhard clearly fawns over Charlemagne’s accomplishments throughout, yet it doesn’t diminish the value this biography has brought to centuries of historians since its writing.

Considered the earliest modern biography, The Life of Samuel Johnson (1791) by James Boswell looks like the biographies we know today. Boswell conducted interviews, performed years of research, and created a compelling narrative of his subject.

The genre evolves as the 20th century arrives, and with it the first World War. The 1920s saw a boom in autobiographies in response. Robert Graves’ Good-Bye to All That (1929) is a coming-of age story set amid the absurdity of war and its aftermath. That same year, Mahatma Gandhi wrote The Story of My Experiments with Truth , recalling how the events of his life led him to develop his theories of nonviolent rebellion. In this time, celebrity tell-alls also emerged as a popular form of entertainment. With the horrors of World War II and the explosion of the civil rights movement, American biographers of the late 20 th century had much to archive. Instantly hailed as some of the best writing about the war, John Hersey’s Hiroshima (1946) tells the stories of six people who lived through those world-altering days. Alex Haley wrote the as-told-to The Autobiography of Malcom X (1965). Yet with biographies, the more things change, the more they stay the same. One theme that persists is a biographer’s desire to cast its subject in an updated light, as in Eleanor and Hick: The Love Affair that Shaped a First Lady by Susan Quinn (2016).

Types of Biographies

Contemporary Biography: Authorized or Unauthorized

The typical modern biography tells the life of someone still alive, or who has recently passed. Sometimes these are authorized — written with permission or input from the subject or their family — like Dave Itzkoff’s intimate look at the life and career of Robin Williams, Robin . Unauthorized biographies of living people run the risk of being controversial. Kitty Kelley’s infamous His Way: The Unauthorized Biography of Frank Sinatra so angered Sinatra, he tried to prevent its publication.

Historical Biography

The wild success of Lin-Manuel Miranda’s Hamilton is proof that our interest in historical biography is as strong as ever. Miranda was inspired to write the musical after reading Ron Chernow’s Alexander Hamilton , an epic 800+ page biography intended to cement Hamilton’s status as a great American. Paula Gunn Allen also sets the record straight on another misunderstood historical figure with Pocahontas: Medicine Woman, Spy, Entrepreneur, Diplomat , revealing details about her tribe, her family, and her relationship with John Smith that are usually missing from other accounts. Historical biographies also give the spotlight to people who died without ever getting the recognition they deserved, such as The Immortal Life of Henrietta Lacks .

Biography of a Group

When a group of people share unique characteristics, they can be the topic of a collective biography. The earliest example of this is Captain Charles Johnson’s A General History of the Pirates (1724), which catalogs the lives of notorious pirates and establishes the popular culture images we still associate with them. Smaller groups are also deserving of a biography, as seen in David Hajdu’s Positively 4th Street , a mesmerizing behind-the-scenes look at the early years of Bob Dylan, Joan Baez, Mimi Baez Fariña, and Richard Fariña as they establish the folk scene in New York City. Likewise, British royal family fashion is a vehicle for telling the life stories of four iconic royals – Queen Elizabeth II, Diana, Kate, and Meghan – in HRH: So Many Thoughts on Royal Style by style journalist Elizabeth Holmes.

Autobiography

This type of biography is written about one’s self, spanning an entire life up to the point of its writing. One of the earliest autobiographies is Saint Augustine’s The Confessions (400), in which his own experiences from childhood through his religious conversion are told in order to create a sweeping guide to life. Maya Angelou’s I Know Why the Caged Bird Sings is the first of six autobiographies that share all the pain of her childhood and the long road that led to her work in the civil rights movement, and a beloved, prize-winning writer.

Memoirs are a type of autobiography, written about a specific but vital aspect of one’s life. In Toil & Trouble , Augusten Burroughs explains how he has lived his life as a witch. Mikel Jollett’s Hollywood Park recounts his early years spent in a cult, his family’s escape, and his rise to success with his band, The Airborne Toxic Event. Barack Obama’s first presidential memoir, A Promised Land , charts his path into politics and takes a deep dive into his first four years in office.

Fictional Biography

Fictional biographies are no substitute for a painstakingly researched scholarly biography, but they’re definitely meant to be more entertaining. Z: A Novel of Zelda Fitzgerald by Therese Anne Fowler constructs Zelda and F. Scott’s wild, Jazz-Age life, told from Zelda’s point of view. The Only Woman in the Room by Marie Benedict brings readers into the secret life of Hollywood actress and wartime scientist, Hedy Lamarr. These imagined biographies, while often whimsical, still respect the form in that they depend heavily on facts when creating setting, plot, and characters.

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Definition of Biography

A biography is the non- fiction , written history or account of a person’s life. Biographies are intended to give an objective portrayal of a person, written in the third person. Biographers collect information from the subject (if he/she is available), acquaintances of the subject, or in researching other sources such as reference material, experts, records, diaries, interviews, etc. Most biographers intend to present the life story of a person and establish the context of their story for the reader, whether in terms of history and/or the present day. In turn, the reader can be reasonably assured that the information presented about the biographical subject is as true and authentic as possible.

Biographies can be written about a person at any time, no matter if they are living or dead. However, there are limitations to biography as a literary device. Even if the subject is involved in the biographical process, the biographer is restricted in terms of access to the subject’s thoughts or feelings.

Biographical works typically include details of significant events that shape the life of the subject as well as information about their childhood, education, career, and relationships. Occasionally, a biography is made into another form of art such as a film or dramatic production. The musical production of “Hamilton” is an excellent example of a biographical work that has been turned into one of the most popular musical productions in Broadway history.

Common Examples of Biographical Subjects

Most people assume that the subject of a biography must be a person who is famous in some way. However, that’s not always the case. In general, biographical subjects tend to be interesting people who have pioneered something in their field of expertise or done something extraordinary for humanity. In addition, biographical subjects can be people who have experienced something unusual or heartbreaking, committed terrible acts, or who are especially gifted and/or talented.

As a literary device, biography is important because it allows readers to learn about someone’s story and history. This can be enlightening, inspiring, and meaningful in creating connections. Here are some common examples of biographical subjects:

• political leaders
• entrepreneurs
• historical figures
• serial killers
• notorious people
• political activists
• adventurers/explorers
• religious leaders
• military leaders
• cultural figures

Famous Examples of Biographical Works

The readership for biography tends to be those who enjoy learning about a certain person’s life or overall field related to the person. In addition, some readers enjoy the literary form of biography independent of the subject. Some biographical works become well-known due to either the person’s story or the way the work is written, gaining a readership of people who may not otherwise choose to read biography or are unfamiliar with its form.

Here are some famous examples of biographical works that are familiar to many readers outside of biography fans:

• Alexander Hamilton (Ron Chernow)
• Prairie Fires: The American Dreams of Laura Ingalls Wilder (Caroline Fraser)
• Steve Jobs (Walter Isaacson)
• Churchill: A Life (Martin Gilbert)
• The Professor and the Madman: A Tale of Murder, Insanity, and the Making of the Oxford English Dictionary (Simon Winchester)
• A Beautiful Mind (Sylvia Nasar)
• The Black Rose (Tananarive Due)
• John Adams (David McCullough)
• Into the Wild ( Jon Krakauer )
• John Brown (W.E.B. Du Bois)
• Frida: A Biography of Frida Kahlo (Hayden Herrera)
• The Immortal Life of Henrietta Lacks (Rebecca Skloot)
• Team of Rivals: The Political Genius of Abraham Lincoln (Doris Kearns Goodwin)
• Shirley Jackson : A Rather Haunted Life ( Ruth Franklin)
• the stranger in the Woods: The Extraordinary Story of the Last True Hermit (Michael Finkel)

Difference Between Biography, Autobiography, and Memoir

Biography, autobiography , and memoir are the three main forms used to tell the story of a person’s life. Though there are similarities between these forms, they have distinct differences in terms of the writing, style , and purpose.

A biography is an informational narrative and account of the life history of an individual person, written by someone who is not the subject of the biography. An autobiography is the story of an individual’s life, written by that individual. In general, an autobiography is presented chronologically with a focus on key events in the person’s life. Since the writer is the subject of an autobiography, it’s written in the first person and considered more subjective than objective, like a biography. In addition, autobiographies are often written late in the person’s life to present their life experiences, challenges, achievements, viewpoints, etc., across time.

Memoir refers to a written collection of a person’s significant memories, written by that person. Memoir doesn’t generally include biographical information or chronological events unless it’s relevant to the story being presented. The purpose of memoir is reflection and an intention to share a meaningful story as a means of creating an emotional connection with the reader. Memoirs are often presented in a narrative style that is both entertaining and thought-provoking.

Examples of Biography in Literature

An important subset of biography is literary biography. A literary biography applies biographical study and form to the lives of artists and writers. This poses some complications for writers of literary biographies in that they must balance the representation of the biographical subject, the artist or writer, as well as aspects of the subject’s literary works. This balance can be difficult to achieve in terms of judicious interpretation of biographical elements within an author’s literary work and consideration of the separate spheres of the artist and their art.

Literary biographies of artists and writers are among some of the most interesting biographical works. These biographies can also be very influential for readers, not only in terms of understanding the artist or writer’s personal story but the context of their work or literature as well. Here are some examples of well-known literary biographies:

Example 1:  Savage Beauty: The Life of Edna St. Vincent Millay  (Nancy Milford)

One of the first things Vincent explained to Norma was that there was a certain freedom of language in the Village that mustn’t shock her. It wasn’t vulgar. ‘So we sat darning socks on Waverly Place and practiced the use of profanity as we stitched. Needle in, . Needle out, piss. Needle in, . Needle out, c. Until we were easy with the words.’

This passage reflects the way in which Milford is able to characterize St. Vincent Millay as a person interacting with her sister. Even avid readers of a writer’s work are often unaware of the artist’s private and personal natures, separate from their literature and art. Milford reflects the balance required on the part of a literary biographer of telling the writer’s life story without undermining or interfering with the meaning and understanding of the literature produced by the writer. Though biographical information can provide some influence and context for a writer’s literary subjects, style, and choices , there is a distinction between the fictional world created by a writer and the writer’s “real” world. However, a literary biographer can illuminate the writer’s story so that the reader of both the biography and the biographical subject’s literature finds greater meaning and significance.

Example 2:  The Invisible Woman: The Story of Nelly Ternan and Charles Dickens  (Claire Tomalin)

The season of domestic goodwill and festivity must have posed a problem to all good Victorian family men with more than one family to take care of, particularly when there were two lots of children to receive the demonstrations of paternal love.

Tomalin’s literary biography of Charles Dickens reveals the writer’s extramarital relationship with a woman named Nelly Ternan. Tomalin presents the complications that resulted for Dickens from this relationship in terms of his personal and family life as well as his professional writing and literary work. Revealing information such as an extramarital relationship can influence the way a reader may feel about the subject as a person, and in the case of literary biography it can influence the way readers feel about the subject’s literature as well. Artists and writers who are beloved , such as Charles Dickens, are often idealized by their devoted readers and society itself. However, as Tomalin’s biography of Dickens indicates, artists and writers are complicated and as subject to human failings as anyone else.

Example 3:  Virginia Woolf  (Hermione Lee)

‘A self that goes on changing is a self that goes on living’: so too with the biography of that self. And just as lives don’t stay still, so life-writing can’t be fixed and finalised. Our ideas are shifting about what can be said, our knowledge of human character is changing. The biographer has to pioneer, going ‘ahead of the rest of us, like the miner’s canary, testing the atmosphere , detecting falsity, unreality, and the presence of obsolete conventions’. So, ‘There are some stories which have to be retold by each generation’. She is talking about the story of Shelley, but she could be talking about her own life-story.

In this passage, Lee is able to demonstrate what her biographical subject, Virginia Woolf, felt about biography and a person telling their own or another person’s story. Literary biographies of well-known writers can be especially difficult to navigate in that both the author and biographical subject are writers, but completely separate and different people. As referenced in this passage by Lee, Woolf was aware of the subtleties and fluidity present in a person’s life which can be difficult to judiciously and effectively relay to a reader on the part of a biographer. In addition, Woolf offers insight into the fact that biographers must make choices in terms of what information is presented to the reader and the context in which it is offered, making them a “miner’s canary” as to how history will view and remember the biographical subject.

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Definition of biography noun from the Oxford Advanced American Dictionary

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Being Objective and Authentic

An essential aspect of a well-written biography is its objectivity. The narrative should portray the real person, depicting their experiences and beliefs accurately.

While it can be tempting to embellish facts or minimize flaws, striving for authenticity is crucial in presenting a credible account. This involves thorough research and verification of facts, even when they contradict the author’s initial assumptions.

Authenticity also extends to the respectful portrayal of a subject’s relationships and exploration of their inner world, while avoiding speculation or gossip.

Balancing Personal and Public Life

When writing a biography, one must strike a balance between the subject’s personal and public life. This includes weaving together stories from their childhood, personal relationships, and major life events that may have shaped their character. The integration of both personal and public aspects contributes to a more comprehensive understanding of their vita.

However, careful consideration must be given to privacy concerns, and it is important to determine which aspects of the individual’s life are appropriate to disclose. Ultimately, the reader should gain insight into the person’s journey without feeling intrusive.

Creating Engaging Storylines

Just as in a novel, a great biography should feature engaging storylines that keep readers interested. This can be achieved by organizing the narrative around important events, challenges, and accomplishments that are relevant and compelling. To maintain a smooth flow, strategically transitioning between these key moments helps maintain reader interest.

The use of different perspectives, anecdotes, and historical context can also enhance the storyline. Paint vivid pictures of the settings, allowing readers to immerse themselves in the subject’s world. Furthermore, showcasing the subject’s resilience, growth, and impact, can contribute to a powerful and memorable biography.

Frequently Asked Questions

Can biographies be fictional or purely factual.

Biographies usually aim to present an accurate and factual representation of someone’s life. However, some authors might take creative liberties and incorporate fictionalized elements for dramatic or storytelling purposes.

It is crucial for readers to be aware of the author’s intentions and approach when reading such biographical works.

Can biographies be biased?

Biographies, like any form of writing, can be subject to biases depending on the author’s perspective, beliefs, or intentions.

It is essential for readers to critically evaluate biographies by considering factors such as the author’s credentials, potential biases, and the sources used in the research process.

By comparing multiple biographies on the same subject or cross-referencing with other sources, readers can develop a more comprehensive and balanced understanding of the individual’s life and achievements.

Are biographies always based on famous or historical figures?

While biographies often focus on famous or historical figures, they can also be written about lesser-known individuals with compelling stories or unique experiences.

These “everyday” biographies can provide valuable insights into the lives of ordinary people and the challenges they face, offering a broader understanding of the human experience and fostering empathy and connection among readers.

Are there any ethical considerations when writing a biography?

Yes, ethical considerations play a significant role in writing biographies.

Biographers must respect the privacy and dignity of their subjects, particularly when dealing with sensitive or personal information. They should also strive for accuracy and fairness, avoiding sensationalism or misrepresentation of facts.

Additionally, biographers should acknowledge and address any potential biases or conflicts of interest that may affect their portrayal of the subject.

Biographies offer us unparalleled access to the lives and legacies of remarkable individuals, spanning diverse genres and approaches.

From historical fiction to academic rigor, prophetic accounts to fictionalized narratives, biographies captivate our imagination and enrich our understanding of the human experience. These literary gems remind us that behind every great achievement lies a story of struggle, triumph, and unwavering determination.

So, let us continue to explore these remarkable journeys, as we delve deeper into the pages of history and the hearts of those who have shaped our world.

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biography noun

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What does the noun biography mean?

There are three meanings listed in OED's entry for the noun biography . See ‘Meaning & use’ for definitions, usage, and quotation evidence.

How common is the noun biography ?

How is the noun biography pronounced, british english, u.s. english, where does the noun biography come from.

Earliest known use

The earliest known use of the noun biography is in the mid 1600s.

OED's earliest evidence for biography is from 1661, in the writing of John Fell, bishop of Oxford.

biography is a borrowing from Latin.

Etymons: Latin biographia .

Nearby entries

• biognosy, n. 1880
• biograph, n. 1825–
• biograph, v. 1776–
• biographee, n. 1812–
• biographer, n. 1644–
• biographic, adj. 1752–
• biographical, adj. 1668–
• biographically, adv. ?1719–
• biographist, n. a1661–
• biographize, v. 1793–
• biography, n. 1661–
• biography, v. 1794–
• biographying, n. 1858–
• biohacker, n. 1988–
• biohacking, n. 1992–
• biohazard, n. 1965–
• biohazardous, adj. 1973–
• bioherm, n. 1928–
• biohermal, adj. 1937–
• bioidentical, adj. 1995–
• bioimaging, n. 1983–

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Meaning & use

Pronunciation, compounds & derived words, entry history for biography, n..

biography, n. was revised in November 2010.

biography, n. was last modified in July 2023.

oed.com is a living text, updated every three months. Modifications may include:

• further revisions to definitions, pronunciation, etymology, headwords, variant spellings, quotations, and dates;
• new senses, phrases, and quotations.

Revisions and additions of this kind were last incorporated into biography, n. in July 2023.

Earlier versions of this entry were published in:

OED First Edition (1887)

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Citation details

Factsheet for biography, n., browse entry.

• Solar Eclipse 2024

What the World Has Learned From Past Eclipses

C louds scudded over the small volcanic island of Principe, off the western coast of Africa, on the afternoon of May 29, 1919. Arthur Eddington, director of the Cambridge Observatory in the U.K., waited for the Sun to emerge. The remains of a morning thunderstorm could ruin everything.

The island was about to experience the rare and overwhelming sight of a total solar eclipse. For six minutes, the longest eclipse since 1416, the Moon would completely block the face of the Sun, pulling a curtain of darkness over a thin stripe of Earth. Eddington traveled into the eclipse path to try and prove one of the most consequential ideas of his age: Albert Einstein’s new theory of general relativity.

Eddington, a physicist, was one of the few people at the time who understood the theory, which Einstein proposed in 1915. But many other scientists were stymied by the bizarre idea that gravity is not a mutual attraction, but a warping of spacetime. Light itself would be subject to this warping, too. So an eclipse would be the best way to prove whether the theory was true, because with the Sun’s light blocked by the Moon, astronomers would be able to see whether the Sun’s gravity bent the light of distant stars behind it.

Two teams of astronomers boarded ships steaming from Liverpool, England, in March 1919 to watch the eclipse and take the measure of the stars. Eddington and his team went to Principe, and another team led by Frank Dyson of the Greenwich Observatory went to Sobral, Brazil.

Totality, the complete obscuration of the Sun, would be at 2:13 local time in Principe. Moments before the Moon slid in front of the Sun, the clouds finally began breaking up. For a moment, it was totally clear. Eddington and his group hastily captured images of a star cluster found near the Sun that day, called the Hyades, found in the constellation of Taurus. The astronomers were using the best astronomical technology of the time, photographic plates, which are large exposures taken on glass instead of film. Stars appeared on seven of the plates, and solar “prominences,” filaments of gas streaming from the Sun, appeared on others.

Eddington wanted to stay in Principe to measure the Hyades when there was no eclipse, but a ship workers’ strike made him leave early. Later, Eddington and Dyson both compared the glass plates taken during the eclipse to other glass plates captured of the Hyades in a different part of the sky, when there was no eclipse. On the images from Eddington’s and Dyson’s expeditions, the stars were not aligned. The 40-year-old Einstein was right.

“Lights All Askew In the Heavens,” the New York Times proclaimed when the scientific papers were published. The eclipse was the key to the discovery—as so many solar eclipses before and since have illuminated new findings about our universe.

To understand why Eddington and Dyson traveled such distances to watch the eclipse, we need to talk about gravity.

Since at least the days of Isaac Newton, who wrote in 1687, scientists thought gravity was a simple force of mutual attraction. Newton proposed that every object in the universe attracts every other object in the universe, and that the strength of this attraction is related to the size of the objects and the distances among them. This is mostly true, actually, but it’s a little more nuanced than that.

On much larger scales, like among black holes or galaxy clusters, Newtonian gravity falls short. It also can’t accurately account for the movement of large objects that are close together, such as how the orbit of Mercury is affected by its proximity the Sun.

Albert Einstein’s most consequential breakthrough solved these problems. General relativity holds that gravity is not really an invisible force of mutual attraction, but a distortion. Rather than some kind of mutual tug-of-war, large objects like the Sun and other stars respond relative to each other because the space they are in has been altered. Their mass is so great that they bend the fabric of space and time around themselves.

Read More: 10 Surprising Facts About the 2024 Solar Eclipse

This was a weird concept, and many scientists thought Einstein’s ideas and equations were ridiculous. But others thought it sounded reasonable. Einstein and others knew that if the theory was correct, and the fabric of reality is bending around large objects, then light itself would have to follow that bend. The light of a star in the great distance, for instance, would seem to curve around a large object in front of it, nearer to us—like our Sun. But normally, it’s impossible to study stars behind the Sun to measure this effect. Enter an eclipse.

Einstein’s theory gives an equation for how much the Sun’s gravity would displace the images of background stars. Newton’s theory predicts only half that amount of displacement.

Eddington and Dyson measured the Hyades cluster because it contains many stars; the more stars to distort, the better the comparison. Both teams of scientists encountered strange political and natural obstacles in making the discovery, which are chronicled beautifully in the book No Shadow of a Doubt: The 1919 Eclipse That Confirmed Einstein's Theory of Relativity , by the physicist Daniel Kennefick. But the confirmation of Einstein’s ideas was worth it. Eddington said as much in a letter to his mother: “The one good plate that I measured gave a result agreeing with Einstein,” he wrote , “and I think I have got a little confirmation from a second plate.”

The Eddington-Dyson experiments were hardly the first time scientists used eclipses to make profound new discoveries. The idea dates to the beginnings of human civilization.

Careful records of lunar and solar eclipses are one of the greatest legacies of ancient Babylon. Astronomers—or astrologers, really, but the goal was the same—were able to predict both lunar and solar eclipses with impressive accuracy. They worked out what we now call the Saros Cycle, a repeating period of 18 years, 11 days, and 8 hours in which eclipses appear to repeat. One Saros cycle is equal to 223 synodic months, which is the time it takes the Moon to return to the same phase as seen from Earth. They also figured out, though may not have understood it completely, the geometry that enables eclipses to happen.

The path we trace around the Sun is called the ecliptic. Our planet’s axis is tilted with respect to the ecliptic plane, which is why we have seasons, and why the other celestial bodies seem to cross the same general path in our sky.

As the Moon goes around Earth, it, too, crosses the plane of the ecliptic twice in a year. The ascending node is where the Moon moves into the northern ecliptic. The descending node is where the Moon enters the southern ecliptic. When the Moon crosses a node, a total solar eclipse can happen. Ancient astronomers were aware of these points in the sky, and by the apex of Babylonian civilization, they were very good at predicting when eclipses would occur.

Two and a half millennia later, in 2016, astronomers used these same ancient records to measure the change in the rate at which Earth’s rotation is slowing—which is to say, the amount by which are days are lengthening, over thousands of years.

By the middle of the 19 th century, scientific discoveries came at a frenetic pace, and eclipses powered many of them. In October 1868, two astronomers, Pierre Jules César Janssen and Joseph Norman Lockyer, separately measured the colors of sunlight during a total eclipse. Each found evidence of an unknown element, indicating a new discovery: Helium, named for the Greek god of the Sun. In another eclipse in 1869, astronomers found convincing evidence of another new element, which they nicknamed coronium—before learning a few decades later that it was not a new element, but highly ionized iron, indicating that the Sun’s atmosphere is exceptionally, bizarrely hot. This oddity led to the prediction, in the 1950s, of a continual outflow that we now call the solar wind.

And during solar eclipses between 1878 and 1908, astronomers searched in vain for a proposed extra planet within the orbit of Mercury. Provisionally named Vulcan, this planet was thought to exist because Newtonian gravity could not fully describe Mercury’s strange orbit. The matter of the innermost planet’s path was settled, finally, in 1915, when Einstein used general relativity equations to explain it.

Many eclipse expeditions were intended to learn something new, or to prove an idea right—or wrong. But many of these discoveries have major practical effects on us. Understanding the Sun, and why its atmosphere gets so hot, can help us predict solar outbursts that could disrupt the power grid and communications satellites. Understanding gravity, at all scales, allows us to know and to navigate the cosmos.

GPS satellites, for instance, provide accurate measurements down to inches on Earth. Relativity equations account for the effects of the Earth’s gravity and the distances between the satellites and their receivers on the ground. Special relativity holds that the clocks on satellites, which experience weaker gravity, seem to run slower than clocks under the stronger force of gravity on Earth. From the point of view of the satellite, Earth clocks seem to run faster. We can use different satellites in different positions, and different ground stations, to accurately triangulate our positions on Earth down to inches. Without those calculations, GPS satellites would be far less precise.

This year, scientists fanned out across North America and in the skies above it will continue the legacy of eclipse science. Scientists from NASA and several universities and other research institutions will study Earth’s atmosphere; the Sun’s atmosphere; the Sun’s magnetic fields; and the Sun’s atmospheric outbursts, called coronal mass ejections.

When you look up at the Sun and Moon on the eclipse , the Moon’s day — or just observe its shadow darkening the ground beneath the clouds, which seems more likely — think about all the discoveries still yet waiting to happen, just behind the shadow of the Moon.

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• Select multiple photos from your chat composer
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To rename the album: 

• Tap the three dot menu
• Tap Edit Name
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From there, everyone in the chat can view, add, delete and download pictures and videos from the album. To locate the album at any time, tap on your group chat name then tap Media. This feature will be rolling out over the coming weeks.

Add New Connections With a QR Code

Now you don’t have to type out someone’s name or number to add them on Messenger – you can easily connect with folks by scanning their Messenger QR code or sharing yours via a link.

To start a message thread with a new connection, go to your Settings and tap the QR code icon at the top. From there, they can scan your code using their device’s camera, or you can share a link by tapping Share.

Send Files Up To 100MB Right From Your Phone

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a written account of another person's life: the biography of Byron by Marchand.

an account in biographical form of an organization, society, theater, animal, etc.

such writings collectively.

the writing of biography as an occupation or field of endeavor.

Origin of biography

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for biography

/ ( baɪˈɒɡrəfɪ ) /

an account of a person's life by another

such accounts collectively

Derived forms of biography

• biographer , noun
• biographical ( ˌbaɪəˈɡræfɪk ə l ) or archaic biographic , adjective
• biographically , adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for biography

The story of someone's life. The Life of Samuel Johnson , by James Boswell , and Abraham Lincoln , by Carl Sandburg , are two noted biographies. The story of the writer's own life is an autobiography .

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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What the new inflation report means for mortgages

By Matt Richardson

Edited By Angelica Leicht

Updated on: April 10, 2024 / 12:08 PM EDT / CBS News

The latest inflation figures were released on Wednesday, and if homebuyers were hoping for a positive development, they're going to need to wait a bit longer. Inflation was up to 3.5% in March, up from February's 3.2% rate , and is now a full percentage point and a half above the Federal Reserve's target 2% goal. 

"Over the last 12 months, the all items index increased 3.5 percent before seasonal adjustment," the Bureau of Labor Statistics said in a release. "The index for shelter rose in March, as did the index for gasoline. Combined, these two indexes contributed over half of the monthly increase in the index for all items. The energy index rose 1.1 percent over the month. The food index rose 0.1 percent in March. The food at home index was unchanged, while the food away from home index rose 0.3 percent over the month."

Amid this backdrop, homebuyers may be wondering how the new inflation report affects them. Below, we'll break down what it means for mortgage rates and what buyers can do in the interim.

Consider locking in a mortgage rate here now before they potentially rise higher .

What the new inflation report mean for mortgages

In short, the new inflation report isn't good news for homebuyers or current homeowners looking to refinance. But it doesn't mean that either group is totally out of options, either. 

Elevated inflation will further dampen any Fed efforts to reduce interest rates and after two consecutive months of reports showing an uptick, it's not unrealistic to expect a potential increase this year. One Fed official has already cautioned that cuts could be completely off the table this year — and that was before Wednesday's disappointing report.

"If we continue to see inflation moving sideways, it would make me question whether we needed to do those rate cuts at all," Federal Reserve Bank of Minneapolis President Neel Kashkari said last week in an interview with Pensions & Investments magazine that aired on LinkedIn.

For rates to come down, inflation would theoretically need to drop significantly in the months to come, which seems unlikely following the reports that have been released so far in 2024 (a January report also showed inflation running hotter than anticipated). And until that happens, mortgage rates , already hovering near their highest point since 2000 , are unlikely to fall much (or at all). If lenders expect rate hikes to come later in the year, they could start pricing that in now with elevated rate offers to borrowers.

This is why it makes sense for current buyers to act aggressively now — before the price of home borrowing becomes even more prohibitive. After all, today's "high" 7% rate could become tomorrow's "low" one.

See what mortgage rate you could qualify for here today .

How to get a below-average mortgage rate now

In today's market, it pays to be creative. Here are two ways buyers can get a below-average mortgage rate in today's economy:

• Buy mortgage points. Mortgage points serve as a fee the borrower pays to the lender to secure a below-average rate. This fee can be paid upfront at closing or rolled into the overall mortgage loan, but it can be effective for buyers eager for a lower rate. While you won't necessarily be able to buy a mortgage down to the lows of 2020 and 2021, you may be able to knock half a percentage point off what you otherwise would have secured. That can be a major advantage in any market, but particularly now in the face of overall rate uncertainty. 
• Consider an adjustable-rate mortgage. An adjustable-rate mortgage will start at one rate right now but adjust over time. The initial rate, which tends to be lower than the prevailing fixed rate, will last for several years (the time frame varies) before adjusting to a different, presumably higher rate. While that can normally be risky, it could be advantageous for buyers right now, particularly those who are confident that rates will have adjusted downward after that initial period has ended (at which point they could refinance into a lower, fixed rate instead).

The bottom line

With inflation on the rise once again, homebuyers looking for some relief will need to get creative. With higher inflation comes diminishing expectations for rate cuts, so buyers should look for other ways to get a lower rate, including buying mortgage points and an adjustable-rate mortgage. Neither option is ideal, but both could save buyers significant sums of money now that the fight against inflation seemingly has to continue a bit longer.

Matt Richardson is the managing editor for the Managing Your Money section for CBSNews.com. He writes and edits content about personal finance ranging from savings to investing to insurance.

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Inflation is sticking around. Here's what that means for your money.

Inflation runs hot for a third straight month, led by by gas and rent

CD early withdrawal penalties: Here's when experts say they're worth paying

CD grace periods: Everything savers should know

Definition of 'biography'

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Using your phone to pay is convenient, but it can also mean you spend more

Matthew Schuerman

Ayesha Rascoe

The Apple Pay app on an iPhone in New York. Consumers tend to spend about 10% more when they adopt mobile contactless payment methods, a researcher says. Jenny Kane/AP hide caption

The Apple Pay app on an iPhone in New York. Consumers tend to spend about 10% more when they adopt mobile contactless payment methods, a researcher says.

These days, you don't even have to take your credit card out of your wallet in order to buy something. If you are shopping online, you can store your credit card numbers on your computer and just hit "click to pay." In a store, call up Apple Pay or Google Pay on your smartphone and tap it against the payment terminal.

There's a term now for this type of purchase: frictionless payments. And it might make spending money a little too easy for some people.

In a recent paper based on data from a Chinese bank , researchers found that customers charged 9.4% more on average to their credit cards, through both online and in-person transactions, after they adopted a mobile payment method than they had before.

The U.S. sharply limits how much credit cards can charge you in late fees

The paper does not explore the effects frictionless payments are having on credit card debt. But the paper's lead author, Yuqian Xu , an assistant professor at the Kenan-Flagler Business School at the University of North Carolina at Chapel Hill, told NPR she believes they probably play a significant role.

Given the paper's findings, and surveys showing that about half of the U.S. population uses mobile payments , Xu estimates that approximately 4.5% of total credit card usage in the country is due to the influence of frictionless payments. That means, she calculates, that about $50 billion of the $1.13 trillion in current consumer credit card debt can be attributed to the ease mobile payment apps present.

Here are other excerpts from an interview with Xu, edited for brevity and clarity.

You did this research with a Chinese bank. Would you say that the way people use mobile payments in the U.S. likely follows a pretty similar pattern?

Yes. A fundamental mechanism here is the convenience that mobile payments bring to consumers. Therefore, we would expect that the effect would be similar in the U.S. mobile payment market.

It takes about 40 seconds to buy something with a physical credit card , compared to just 30 seconds to buy it with a smartphone. Can just 10 seconds make people change their buying habits?

The main reason underlying the increase in usage is convenience. And the convenience manifests in two primary ways. This swift transaction process contributed significantly to the overall convenience experienced by users. But there's another part of the convenience derived from the absence of the need to carry additional physical cards or a wallet.

Across America: Debt On The Rise

Americans are piling up credit card debt — and it could prove very costly.

What about yourself? Do you find yourself using your phone more often than you would a credit card?

Yes, I do find that actually. In the past, I tended to forget to bring my physical cards. And this actually sometimes created a barrier to buy things. But I don't tend to forget my mobile phone. I bring my mobile phone every day. So I find I purchase more with mobile payments.

Do you have any tips for people who want to control their spending? Should they avoid these mobile payment apps?

I would say, don't avoid these mobile payment apps. Technological advancements can offer us a lot of convenience and improve the security of financial transactions. What's most important is that people need to be aware of these dynamics — we can better manage our financial resources, potentially reducing impulsive expenditures.

Michael Radcliffe produced this interview.

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singing or playing notes that are at the right pitch (= level) or that agree with others being sung or played

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