News tagged with dna sample

A new glimpse into ancient human history

Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...

Apr 30, 2012
5 / 5 (11) 1

New species of bat found in Vietnam

A distinctive echolocation frequency led to the discovery of a new species of bat within the genus Hipposideros. Although this bat is similar to the species Hipposideros armiger, differences in acoustics, ...

Feb 21, 2012
5 / 5 (1) 0

Mystery hummingbird's species identified

A mystery that puzzled Chicago-area birders was solved when Field Museum scientists identified the unusual hummingbird living in an Oak Park, Ill., yard as a member of the rufous species rarely seen in the Midwest.

Dec 26, 2011
4 / 5 (2) 0

Bowhead whales using the Northwest Passage

(PhysOrg.com) -- According to a new study published in Biology Letters, the climate changes and melting of ice in the Northwest Passage are leading to the mingling of two bowhead whale populations that have b ...

Sep 22, 2011 report
5 / 5 (3) 0 | with audio podcast

New technique fills gaps in fossil record

University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.

Sep 19, 2011
4.8 / 5 (5) 4 | with audio podcast