News
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GeneticsFlexible DNA computer finds square roots
Scientists design a digital circuit made of molecules that may be able to crunch a wider variety of complex math problems than previous versions.
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LifeHolding back evolution
Gene mutations that are beneficial on their own combine to slow down progress, new bacterial experiments show.
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HumansAncestral gals roamed, guys stayed home
Females in two ancient hominid species may have left their home groups to find mates.
By Bruce Bower -
Health & MedicineSpotting newborns at risk of hearing loss
Testing for cytomegalovirus in saliva of infants can identify those harboring the virus, a new study shows.