By Megan Scudellari | January 26, 2012
Populations of organisms acquire beneficial traits repeatedly and rapidly through co-evolution with other species and through gene interaction.
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And too few insights gleaned from them
DNA from the 40,000-year-old bones of a modern human found in Europe contains Neanderthal genes.
Male and female mice utilize different immune cells to process pain, a study shows.
Antibiotics given to infant mice may have long-term effects on the animals’ metabolism and gut microbiota.
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