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Endurance Running Hypothesis
The endurance running hypothesis is a series of conjectures which presume humans evolved anatomical and physiological adaptations to run long distances . and, more strongly, that "running is the only known behavior that would account for the different body plans in ''Homo'' as opposed to apes or australopithecines". The hypothesis proposes that long-distance running, endurance running played an important role in enabling early hominins to obtain meat. The promoters of the hypothesis have suggested that endurance running would help hominins compete for animal carcasses or even with persistence hunting. The way we move "… no animal walks or runs as we do. We keep the trunk erect; in walking, our knees are almost straight at mid-stance; the forces our feet exert on the ground are very markedly two-peaked when we walk fast; and in walking and usually in running we strike the ground initially with the heel alone. No animal walks or runs like that." Endurance running hypothesis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conjecture
In mathematics, a conjecture is a conclusion or a proposition that is proffered on a tentative basis without proof. Some conjectures, such as the Riemann hypothesis (still a conjecture) or Fermat's Last Theorem (a conjecture until proven in 1995 by Andrew Wiles), have shaped much of mathematical history as new areas of mathematics are developed in order to prove them. Important examples Fermat's Last Theorem In number theory, Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers a, ''b'', and ''c'' can satisfy the equation ''a^n + b^n = c^n'' for any integer value of ''n'' greater than two. This theorem was first conjectured by Pierre de Fermat in 1637 in the margin of a copy of '' Arithmetica'', where he claimed that he had a proof that was too large to fit in the margin. The first successful proof was released in 1994 by Andrew Wiles, and formally published in 1995, after 358 years of effort by mathe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Utah
The University of Utah (U of U, UofU, or simply The U) is a public research university in Salt Lake City, Utah. It is the flagship institution of the Utah System of Higher Education. The university was established in 1850 as the University of Deseret () by the General Assembly of the provisional State of Deseret, making it Utah's oldest institution of higher education. It received its current name in 1892, four years before Utah attained statehood, and moved to its current location in 1900. As of Fall 2019, there were 24,485 undergraduate students and 8,333 graduate students, for an enrollment total of 32,818, making it the second largest public university in the state after Utah Valley University. Graduate studies include the S.J. Quinney College of Law and the School of Medicine, Utah's first medical school. It is a member of the Association of American Universities (AAU) and is classified among "R1: Doctoral Universities – Very high research activity". According to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Born To Run (McDougall Book)
''Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen'', is a 2009 best-selling non-fiction written by the American author and journalist Christopher McDougall. The book has sold over three million copies. Narrative In ''Born to Run'', McDougall tracks down members of the reclusive Tarahumara Native Mexican tribe in the Mexican Copper Canyons. Beyond hyperbole, he writes "In Tarahumara land, there was no crime, war, or theft. There was no corruption, obesity, drug addiction, greed, wife-beating, child abuse, heart disease, high blood pressure or carbon emissions. They didn’t get diabetes, or depressed, or even old." After being repeatedly injured as a runner himself, McDougall marvels at the tribe's ability to run ultra distances (over 100 miles) at incredible speeds, without getting the routine injuries of most American runners. The book has received attention in the sporting world for McDougall's description of how he overcame injuries ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NBC News
NBC News is the news division of the American broadcast television network NBC. The division operates under NBCUniversal Television and Streaming, a division of NBCUniversal, which is, in turn, a subsidiary of Comcast. The news division's various operations report to the president of NBC News, Noah Oppenheim. The NBCUniversal News Group also comprises MSNBC, the network's 24-hour general news channel, business and consumer news channels CNBC and CNBC World, the Spanish language Noticias Telemundo and United Kingdom–based Sky News. NBC News aired the first regularly scheduled news program in American broadcast television history on February 21, 1940. The group's broadcasts are produced and aired from 30 Rockefeller Plaza, NBCUniversal's headquarters in New York City. The division presides over America's number-one-rated newscast, ''NBC Nightly News'', the world's first of its genre morning television program, ''Today'', and the longest-running television series in American ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BBC News
BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs in the UK and around the world. The department is the world's largest broadcast news organisation and generates about 120 hours of radio and television output each day, as well as online news coverage. The service maintains 50 foreign news bureaus with more than 250 correspondents around the world. Deborah Turness has been the CEO of news and current affairs since September 2022. In 2019, it was reported in an Ofcom report that the BBC spent £136m on news during the period April 2018 to March 2019. BBC News' domestic, global and online news divisions are housed within the largest live newsroom in Europe, in Broadcasting House in central London. Parliamentary coverage is produced and broadcast from studios in London. Through BBC English Regions, the BBC also has regional centres across England and national news c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ABC News
ABC News is the news division of the American broadcast network ABC. Its flagship program is the daily evening newscast ''ABC World News Tonight, ABC World News Tonight with David Muir''; other programs include Breakfast television, morning news-talk show ''Good Morning America'', ''Nightline'', ''Primetime (American TV program), Primetime'', and ''20/20 (American TV program), 20/20'', and Sunday morning talk shows, Sunday morning political affairs program ''This Week (ABC TV series), This Week with George Stephanopoulos''. In addition to the division's television programs, ABC News has radio and digital outlets, including ABC News Radio and ABC News Live, plus various podcasts hosted by ABC News personalities. History Early years ABC began in 1943 as the Blue Network, NBC Blue Network, a radio network that was Corporate spin-off, spun off from NBC, as ordered by the Federal Communications Commission (FCC) in 1942. The reason for the order was to expand competition in radi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sound Bite
A sound bite or soundbite is a short clip of speech or music extracted from a longer piece of audio, often used to promote or exemplify the full length piece. In the context of journalism, a sound bite is characterized by a short phrase or sentence that captures the essence of what the speaker was trying to say, and is used to summarize information and entice the reader or viewer. The term was coined by the U.S. media in the 1970s. Since then, politicians have increasingly employed sound bites to summarize their positions. Due to its brevity, the sound bite often overshadows the broader context in which it was spoken, and can be misleading or inaccurate. The insertion of sound bites into news broadcasts or documentaries is open to manipulation, leading to conflict over journalistic ethics. History In the 1960s and 1970s, pressure from advertisers on the American television industry to create entertaining news material made sound bites central to political coverage. Politician ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Homo Habilis
''Homo habilis'' ("handy man") is an extinct species of archaic human from the Early Pleistocene of East and South Africa about 2.31 million years ago to 1.65 million years ago (mya). Upon species description in 1964, ''H. habilis'' was highly contested, with many researchers recommending it be synonymised with '' Australopithecus africanus'', the only other early hominin known at the time, but ''H. habilis'' received more recognition as time went on and more relevant discoveries were made. By the 1980s, ''H. habilis'' was proposed to have been a human ancestor, directly evolving into '' Homo erectus'' which directly led to modern humans. This viewpoint is now debated. Several specimens with insecure species identification were assigned to ''H. habilis'', leading to arguments for splitting, namely into "''H. rudolfensis''" and "'' H. gautengensis''" of which only the former has received wide support. Like contemporary ''Homo'', ''H. habilis'' brain size generally varied from . ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evolution (journal)
''Evolution: International Journal of Organic Evolution'', is a monthly scientific journal that publishes significant new results of empirical or theoretical investigations concerning facts, processes, mechanics, or concepts of evolutionary phenomena and events. ''Evolution'' is published by the Society for the Study of Evolution. Its current editor-in-chief is Tracey Chapman. Former editors-in-chief The journal was founded soon after the Second World War. Its first editor was the evolutionary geneticist Ernst Mayr. * Ruth Geyer Shaw, July 2013 – 2017 * Daphne Fairbairn Daphne (; ; el, Δάφνη, , ), a minor figure in Greek mythology, is a naiad, a variety of female nymph associated with fountains, wells, springs, streams, brooks and other bodies of freshwater. There are several versions of the myth in whi ..., 2010- June 2013 References External linksOfficial website Evolutionary biology journals Publications established in 1947 Academic journals published by l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Journal Of Experimental Biology
''Journal of Experimental Biology'' (formerly ''The British Journal of Experimental Biology)'' is a peer-reviewed scientific journal in the field of comparative physiology and integrative biology. It is published by The Company of Biologists. The journal is partnered with Publons and has two-way integration with bioRxiv. ''Journal of Experimental Biology'' is now a hybrid journal and publishes 24 issues a year. Content over six months old is free to read. History ''The'' ''British Journal of Experimental Biology'' was established in Edinburgh in 1923 (''Br. J. Exp. Biol.'': ). It was published by Oliver and Boyd and edited by F. A. E. Crew with an Editorial Board of nine members, including Julian Huxley. When the journal ran into financial trouble, George Parker Bidder II, the founder of The Company of Biologists, rescued it in 1925. Sir James Gray was appointed as the journal's first Editor-in-Chief in 1925 and the journal was renamed ''The Journal of Experimental Biology'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SFGATE
The ''San Francisco Chronicle'' is a newspaper serving primarily the San Francisco Bay Area of Northern California. It was founded in 1865 as ''The Daily Dramatic Chronicle'' by teenage brothers Charles de Young and Michael H. de Young. The paper is owned by the Hearst Corporation, which bought it from the de Young family in 2000. It is the only major daily paper covering the city and county of San Francisco. The paper benefited from the growth of San Francisco and had the largest newspaper circulation on the West Coast of the United States by 1880. Like other newspapers, it experienced a rapid fall in circulation in the early 21st century and was ranked 18th nationally by circulation in the first quarter of 2021. In 1994, the newspaper launched the SFGATE website, with a soft launch in March and official launch November 3, 1994, including both content from the newspaper and other sources. "The Gate" as it was known at launch was the first large market newspaper website in t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neutral Theory Of Molecular Evolution
The neutral theory of molecular evolution holds that most evolutionary changes occur at the molecular level, and most of the variation within and between species are due to random genetic drift of mutant alleles that are selectively neutral. The theory applies only for evolution at the molecular level, and is compatible with phenotypic evolution being shaped by natural selection as postulated by Charles Darwin. The neutral theory allows for the possibility that most mutations are deleterious, but holds that because these are rapidly removed by natural selection, they do not make significant contributions to variation within and between species at the molecular level. A neutral mutation is one that does not affect an organism's ability to survive and reproduce. The neutral theory assumes that most mutations that are not deleterious are neutral rather than beneficial. Because only a fraction of gametes are sampled in each generation of a species, the neutral theory suggests that a mu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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