Alopecia areata Areas of hair loss on the head due to alopecia areata. (more) alopecia areata autoimmune disease Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/alopecia-areata 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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　　 　　The legality of marijuana in the United States A map of the United States showing the legality of marijuana. (more) cannabidiol chemical compound Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/cannabidiol Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type...

　　 　　Friday the 13th, a date mired in superstition and fear Many Western cultures subscribe to the superstition of Friday the 13th, which is on par with fears of broken mirrors or walking under ladders. (more) Friday the 13th superstition Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Friday-the-13th-superstition Feedback Corrections? Updates?...

　　 　　“Casey at the Bat” Series of illustrations of Ernest Lawrence Thayer's 1888 poem “Casey at the Bat,” by Dan Sayre Groesbeck, 1912. (more) Casey at the Bat poem by Thayer Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Casey-at-the-Bat Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to...

　　delta-8-THC chemical compound Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/delta-8-THC 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 for your...

　　 　　Pres. Duma Boko Duma Boko, the president of Botswana, delivering a speech after being sworn in, Gaborone, Botswana, November 1, 2024. (more) Duma Boko president of Botswana Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Duma-Boko Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article...

　　 　　When is it too much? © ChaoticDesignStudio/stock.adobe.com, © Nancy Pauwels/stock.adobe.com; Photo illustration Encyclopædia Britannica, IncA guiding principle in investing is to avoid losing so much money (or losing it so quickly) that recovery becomes impossible. Because market risk is a major driver of such losses, investment pros rely on various tools to estimate and manage it. 　　Among these tools,...

　　 　　Top Gun Tom Cruise as Maverick in the blockbuster film Top Gun (1986). (more) Top Gun film by Scott [1986] Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Top-Gun Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type...

　　 　　Nelson Mandela Legacy Sites World Heritage site, South Africa (more) Nelson Mandela Legacy Sites World Heritage site Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/place/Nelson-Mandela-Legacy-Sites 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...

　　 　　Weaver ants Asian weaver ants, or green tree ants (Oecophylla smaragdina), binding leaves together with larval silk in Australia. (more) weaver ant insect Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/animal/weaver-ant Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type...

　　 　　Alice Paul American women's rights leader Alice Paul toasting a suffrage flag in 1920, shortly after the ratification of the Nineteenth Amendment, which guarantees that “the right of citizens of the United States to vote shall not be denied or abridged…on account of sex.” Each star on the flag represents a state that ratified the amendment. (more) hunger strike...