A genetic phenomenon that allows for the selection of multiple genetic mutations that all lead to a similar outcome—for instance the ability to digest milk—has been characterised for the first time in humans.
Aug 29, 2013
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The Tibetan people have inherited variants of five different genes that help them live at high altitudes, with one gene originating in the extinct human subspecies, the Denisovans. Hao Hu and Chad Huff of the University of ...
Apr 27, 2017
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If Pygmies are known for one trait, it is their short stature: Pygmy men stand just 4'11" on average. But the reason why these groups are so short and neighboring groups are not remains unclear. Scientists have proposed various ...
Apr 26, 2012
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The immune system is one of the most complex parts of our body. It keeps us healthy by getting rid of parasites, viruses or bacteria, and by destroying damaged or cancer cells. One of its most intriguing abilities is its ...
Jul 13, 2023
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According to researchers at Moffitt Cancer Center, cancer is subject to the evolutionary processes laid out by Charles Darwin in his concept of natural selection. Natural selection was the process identified by Darwin by ...
Jun 21, 2012
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About 300 000 years ago humans adapted genetically to be able to produce larger amounts of Omega-3 and Omega-6 fatty acids. This adaptation may have been crucial to the development of the unique brain capacity in modern humans. ...
Apr 12, 2012
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A pair of studies published by Cell Press on February 14th in the journal Cell sheds new light on genetic variation that may have played a key role in human evolution. The study researchers used an animal model to study a ...
Feb 14, 2013
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Using a new imaging technique, researchers from the National Eye Institute have determined that retinal lesions from vitelliform macular dystrophy (VMD) vary by gene mutation. Addressing these differences may be key in designing ...
Jul 28, 2022
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Researchers have discovered the mechanism behind one of the Ebola virus' most dangerous attributes: its ability to disarm the adaptive immune system.
May 2, 2013
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By combining traditional eye imaging techniques with adaptive optics—a technology that enhances imaging resolution—researchers at the National Eye Institute (NEI) have shown for the first time how cells across different ...
Sep 14, 2022
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