Experts hope DNA can unlock Chinese warlord's secrets

Scientists said Tuesday they hope to collect DNA from hundreds of men surnamed Cao so they can prove a recently excavated tomb in central China belongs to the legendary warlord Cao Cao.

Gene Testing In the Doctors Office

(PhysOrg.com) -- A portable instrument manufactured by Nanosphere Inc. and recently approved by the FDA, can detect genetic variations in blood that alter the effectiveness of some drugs.

DNA from old insects -- no need to destroy the specimen

In a new study published April 1 in the online, open-access, peer-reviewed journal PLoS ONE, ancient DNA (aDNA) is retrieved from various insect remains without destruction of the specimens.

Study shows how glaciers affected deer evolution

(PhysOrg.com) -- A 10-year study of mule and black-tailed deer has found unique subspecies created by the animals' responses to climate change thousands of years ago.

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