Thermohaline circulation This process transports and mixes the water of the oceans, moving heat, which influences regional and global climate patterns, and nutrients. Seawater density is determined by the temperature and salinity of a volume of seawater at a particular location. The difference in density between one location and another drives thermohaline circulation. (more) Atlantic Meridional Overturning Circulation ocean...

　　 　　Mary Barra, shown in 2012, became CEO of General Motors in 2014 and has the distinction of being the first female chief executive in the automotive industry.Bill Pugliano—Getty Images/ThinkstockNews • Hyundai Motor CEO Munoz named person of year in auto field by MotorTrend • Feb. 28, 2025, 3:28 AM ET()Mary Barra, née Mary Teresa Makela (born December 24, 1961,...

　　 　　White House press secretary Karoline Leavitt, pictured in 2022, three years before she became White House press secretary. (more) Karoline Leavitt American press secretary Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Karoline-Leavitt Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback...

　　 　　Boxing match Male kangaroos fight for access to females by biting, kicking, and boxing each other. They often use their forepaws to grip their enemy while rocking back on their tails and then swiftly dropping their huge clawed hind feet. (more) Do Kangaroos Really Box? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook...

　　 　　Vincent van Gogh: Self-Portrait with Bandaged Ear Self-Portrait with Bandaged Ear, oil on canvas by Vincent van Gogh, 1889; in the Courtauld Institute Art, London. (more) Why Did Vincent van Gogh Cut Off His Ear? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/Why-Did-Vincent-van-Gogh-Cut-Off-His-Ear Feedback Corrections? Updates? Omissions? Let us know...

　　 　　Netumbo Nandi-Ndaitwah SWAPO presidential candidate Netumbo Nandi-Ndaitwah raising her fist in the air after casting her election ballot, Windhoek, Namibia, November 27, 2024. (more) Netumbo Nandi-Ndaitwah Namibian politician Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Netumbo-Nandi-Ndaitwah Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this...

　　 　　Kratom The leaves of kratom (Mitragyna speciosa) contain a psychoactive alkaloid. (more) kratom plant Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/plant/kratom 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...

　　Doug Ford Canadian politician Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/biography/Doug-Ford-Canadian-politician 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...

　　 　　Marathon at the 1908 London Games American runner Alton Welton competing in the marathon at the 1908 Olympic Games in London. Welton finished fourth. (more) Why Is a Marathon 26.2 Miles? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/sports/Why-Is-a-Marathon-26-2-Miles Feedback Corrections? Updates? Omissions? Let us know if you have suggestions...

　　 　　Halal meat vs. haram meat The term halal often appears in supermarkets and restaurants to help Muslims identify which meats conform to Islamic standards. Meats that are not halal, such as pork, are considered haram and are avoided by Muslim consumers. (more) Why Can’t Muslims Eat Pork? Ask the Chatbot a Question More Actions Share Share Share to social...

　　 　　Sun Ra Jazz musician Sun Ra performs in Central Park, New York City. (more) Afrofuturism cultural movement Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/event/Afrofuturism 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...

　　 　　A balancing act Simone Biles performing on the balance beam at the Tokyo 2020 Olympic Games (delayed until 2021). She won a bronze medal in the event. (more) Why Are Gymnasts So Short? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/sports/Why-Are-Gymnasts-So-Short Feedback Corrections? Updates? Omissions? Let us know if you...