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In the most comprehensive genetic study of the Mexican population to date, researchers from  Mexico's National Institute of Genomic Medicine (INMEGEN), UC San Francisco and Stanford University, have identified tremendous genetic diversity.So much diversity there basically are no Mexicans.  But it explains>
Since the discovery of how DNA encodes genetic information, evolutionary biology has focused on genes. One popular hypothesis - the "selfish gene" theory - states that cells and organisms exist simply as packages to protect and transmit genes. The selfish gene is by no means accepted and a new paper gives biological>
The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A new study from a Danish research team offers a possible clue. When they looked beyond the bacterium itself and into its genome>
Excavations in Colombia co-organized by Carlos Jaramillo, staff scientist at the Smithsonian Tropical Research Institute in Panama and Jonathan Bloch, curator of vertebrate paleontology at the University of Florida's Florida Museum of Natural History, have unearthed fossil remains of a new snake species they named>
COVID-19 vaccines have shown to be effective at preventing vaccines but the big win for public health is reduced effects if you get it anyway. If you don't have co-morbidities your relative risk is very low but if you do have them, every precaution is worth taking.The vaccines come in many forms but two of note are>
A new paper says teens are not getting enough sleep and a lot of parents with teenage children may disagree. Others reflexively blame phones and tablets.It isn't a new concern, though. Nor is technology new in getting blame. In 1905, The Lancet published a study saying that kids in British boarding schools were getting>