News tagged with genetic evidence

Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been ...

Biology / Evolution

created Nov 10, 2009 | popularity 4.7 / 5 (23) | comments 16

Study: Cancer may pass from mother to unborn child

(PhysOrg.com) -- A new study has provided genetic evidence for the first time that it is possible for a mother to transmit cancer to her unborn child via the placenta.

Medicine & Health / Cancer

created Oct 14, 2009 | popularity 5 / 5 (2) | comments 0 weblog

Getting a leg up on whale and dolphin evolution

When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the ...

Biology / Evolution

created Sep 24, 2009 | popularity 3.9 / 5 (8) | comments 0

Researchers identify genes that cause melanoma

Scientists from the Queensland Institute of Medical Research (QIMR) have found two new genes that together double a person's risk of developing melanoma.

Medicine & Health / Genetics

created Jul 06, 2009 | popularity 5 / 5 (1) | comments 0

Perfect pitch study offers window into influences of nature and nurture

Practice, practice, practice might get you to Carnegie Hall, but for aspiring musicians, there's new evidence that genes may influence one's ability to get there, as well.

Medicine & Health / Genetics

created Jul 02, 2009 | popularity 5 / 5 (2) | comments 1

New 'molecular clock' aids dating of human migration history

Researchers at the University of Leeds have devised a more accurate method of dating ancient human migration - even when no corroborating archaeological evidence exists.

Biology / Cell & Microbiology

created Jun 04, 2009 | popularity 4.3 / 5 (9) | comments 0

The role of inbreeding in the extinction of the Spanish Habsburg dynasty

The powerful Habsburg dynasty ruled Spain and its empire from 1516 to 1700 but when King Charles II died in 1700 without any children from his two marriages, the male line died out and the French Bourbon dynasty came to power ...

Biology / Other

created Apr 15, 2009 | popularity 4.8 / 5 (4) | comments 2

Scientists reveal family tree of 'super-sized lions'

(PhysOrg.com) -- The giant cats that roamed the British Isles, as well as Europe and North America, as recently as 13,000 years ago were lions rather than giant jaguars or tigers, a team led by Oxford University ...

Biology / Evolution

created Mar 31, 2009 | popularity 4.8 / 5 (8) | comments 0

New study may give hope that ivory-billed woodpeckers still around

Until credible sightings popped up three years ago, the scientific world was in agreement that ivory-billed woodpeckers had gone the way of the dodo. A new study conducted by University of Georgia researchers ...

Biology /

created Jan 16, 2009 | popularity 4.5 / 5 (4) | comments 0

First Americans arrived as 2 separate migrations, according to new genetic evidence

The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online on January 8th in Current Biology, a Cell ...

Biology /

created Jan 08, 2009 | popularity 4.8 / 5 (13) | comments 4