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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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Which Genes Did We Get From Neandertals?
29 January 2014 2:15 pm
Living people in Europe and Asia still carry traces of long-ago unions between Neandertals and modern humans. Two studies pinpoint genes we have inherited from our extinct cousins, including some that leave their mark on hair and skin and others that are implicated in disease. But the studies also show that those ancient mixed couples were not fully compatible genetically. The descendants of their unions—especially the males—became less fertile over time, purging many Neandertal genes from modern genomes.