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  price-to-book (P/B) ratio 　　The price-to-book ratio (P/B) compares a company’s market value with its book value per share, drawn from the balance sheet. It shows whether the market is valuing a company above, below, or in line with the worth of its reported assets. 　　Book value equals total assets minus total liabilities, divided by the number of shares outstanding. For example, if a...
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  Can You Opt Out of School Vaccines? 　　 　　Historical mass vaccination programs in the United States In the United States mass vaccination programs carried out against diphtheria, polio, and measles have almost eradicated these diseases from the population. The graphs indicate the years the vaccines were introduced. Data source: U.S. Bureau of the Census, Historical Statistics of the United States: Colonial Times to 1970 (CD-ROM ed., 1997)....
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  What Is a Group of Cows Called? 　　 　　Security in numbers A herd of cows grazing in a field. (more) What Is a Group of Cows Called? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/What-Is-a-Group-of-Cows-Called Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required)...
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  2025 Nepalese Gen Z Protests 　　2025 Nepalese Gen Z Protests Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/event/2025-Nepalese-Gen-Z-Protests Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you...
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  Do Whales Have Teeth? 　　 　　False killer whale A false killer whale is a type of toothed whale. It has simple conical teeth that are used for grasping prey, not for chewing. (more) Do Whales Have Teeth? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Do-Whales-Have-Teeth Feedback Corrections? Updates? Omissions? Let us know if you have...
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  Free Speech Movement 　　 　　Mario Savio giving a speech Student activist Mario Savio, one of the leaders of the Free Speech Movement at the University of California, Berkeley, speaking at a rally on December 4, 1964. (more) Free Speech Movement American history Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Free-Speech-Movement Feedback Corrections? Updates? Omissions?...
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  Which Parrots Are Most Likely to Talk? 　　 　　African gray parrot The prodigious speaking ability of the African gray parrot (Psittacus erithacus) sets it apart from other parrots that can mimic the human voice. (more) Which Parrots Are Most Likely to Talk? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Which-Parrots-Are-Most-Likely-to-Talk Feedback Corrections? Updates? Omissions? Let us know if...
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  Animal Group Names: From a Congregation of Alligators to a Dazzle of Zebras 　　 　　A conspiracy of lemurs (more) Animal Group Names: From a Congregation of Alligators to a Dazzle of Zebras Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Animal-Group-Names Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual...
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  Has a Complete Spinosaurus Skeleton Been Discovered? 　　 　　Spinosaurus With its crocodile-like snout and sail-like back, the Spinosaurus is one of the most mysterious dinosaurs ever discovered. (more) Has a Complete Spinosaurus Skeleton Been Discovered? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Has-a-Complete-Spinosaurus-Skeleton-Been-Discovered Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article...
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  Why Are Kangaroos Only Found in Australia? 　　 　　Red kangaroos on the move A group of red kangaroos (Macropus rufus) using their powerful hind legs and feet to hop. (more) Why Are Kangaroos Only Found in Australia? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Why-Are-Kangaroos-Only-Found-in-Australia Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve...
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  Winners and Losers: A History of the Lottery 　　Winners and Losers: A History of the Lottery Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Winners-and-Losers-A-History-of-the-Lottery Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit...
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  Why Do You Salt Pasta Water? 　　 　　Rigatoni pasta Adding salt to pasta water can help season the pasta and improve its texture. (more) Why Do You Salt Pasta Water? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/Why-Do-You-Salt-Pasta-Water Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type...
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  Interstellar 　　 　　Interstellar Matthew McConaughey in Interstellar (2014), directed by Christopher Nolan. (more) Interstellar film by Nolan [2014] Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Interstellar Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar...
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  The Spiritual Exercises 　　 　　St. Ignatius of Loyola In 1521 St. Ignatius of Loyola experienced a spiritual awakening while convalescing from a wound sustained in a battle. He decided to dedicate his life to serving God and developed The Spiritual Exercises, a program to help Christians discern their life calling and form a deeper relationship with God. (more) The Spiritual Exercises work by...
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  Taylor Jenkins Reid 　　 　　A best-selling author Taylor Jenkins Reid at the 2023 premiere of the miniseries Daisy Jones & the Six, adapted from her 2019 novel of the same name. (more) Taylor Jenkins Reid American author Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Taylor-Jenkins-Reid Feedback Corrections? Updates? Omissions? Let us know if you...
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  Why Is the U.S. Drinking Age 21? 　　 　　Bar A neon sign identifies this location as a bar, an establishment that serves alcoholic drinks. (more) Why Is the U.S. Drinking Age 21? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Why-Is-the-US-Drinking-Age-21 Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback...
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  Why Is Making Moonshine Illegal? 　　 　　West Virginia moonshine still John Bowman demonstrating the workings of his family's moonshine still and explaining the history of moonshining in Coal River, West Virginia. For Bowman and his family, making moonshine was an alternative to entering the mines; it enabled him to stay in high school while helping to support his household. (more) Why Is Making Moonshine Illegal?...
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  What Is the Open Era in Tennis? 　　 　　A star of the open era Novak Djokovic of Serbia competing in the men's singles final of the U.S. Open in Queens, New York, September 10, 2023. Djokovic defeated Daniil Medvedev of Russia in the match, winning his 24th Grand Slam victory, a record for men's tennis. (more) What Is the Open Era in Tennis? Ask the Chatbot a...
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  Demon Slayer 　　 　　Demon Slayer manga on display Three volumes of the Japanese manga Demon Slayer, written and illustrated by Gotouge Koyoharu. Serialized from February 15, 2016, to May 18, 2020, the manga follows Kamado Tanjiro, who joins the Demon Slayer Corps to fight demons. (more) Demon Slayer Japanese manga series Ask the Chatbot a Question More Actions Share Share Share to...
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  St. Caesarius of Terracina 　　St. Caesarius of Terracina Christian deacon and martyr Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Caesarius-of-Terracina Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit...

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