DNA traces cattle back to a small herd domesticated around 10,500 years ago
All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
Evolution
Mar 27, 2012
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Western Europe has long been held to be the "cradle" of Neandertal evolution since many of the earliest discoveries were from sites in this region. But when Neandertals started disappearing around 30,000 years ago, anthropologists ...
Archaeology
Mar 26, 2012
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By carefully analyzing the genetics of specific bacteria killers, a BYU research team has been able to pinpoint where cheese contamination starts.
Biotechnology
Mar 21, 2012
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The role of sex in driving genetic variation and generating higher biodiversity has been debated for over a century. Speeding up evolution may increase genetic variation, but surprisingly it can reduce species diversity, ...
Plants & Animals
Mar 8, 2012
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Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
Ecology
Mar 2, 2012
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A rare and endangered monkey in an African equatorial rainforest is providing a look into our climatic future through its DNA. Its genes show that wild drills (Mandrillus leucophaeus), already an overhunted species, may see ...
Ecology
Feb 29, 2012
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Evolutionary biologist at the University of Reading Professor Mark Pagel argues that our cultural influences are more important to our success as a species than our genes in his new book published this week.
Social Sciences
Feb 27, 2012
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New findings from an international team of researchers show that most neanderthals in Europe died off around 50,000 years ago.
Archaeology
Feb 26, 2012
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For snakes, spiders, and other venomous creatures, the "business end," or active part, of a toxin is the area on the surface of a protein that is most likely to undergo rapid evolution in response to environmental constraints, ...
Cell & Microbiology
Feb 23, 2012
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On "Star Trek, the aliens often look so human that crew members fall in love with them. But in real life, scientists in the field known as astrobiology can't be sure alien life would even be carbon-based like us, or use DNA ...
Biotechnology
Feb 13, 2012
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