News tagged with ancient evolutionary

Study finds modern dog breeds genetically disconnected from ancient ancestors

Cross-breeding of dogs over thousands of years has made it extremely difficult to trace the ancient genetic roots of today's pets, according to a new study led by Durham University.

Biology / Plants & Animals

created May 21, 2012 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

Ancient DNA holds clues to climate change adaptation

(PhysOrg.com) -- Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists unravel the mystery about how animals adapt to rapid environmental change.

Biology / Plants & Animals

created Jan 31, 2012 | popularity not rated yet | comments 0 | with audio podcast

Continents influenced human migration, spread of technology

How modern-day humans dispersed on the planet and the pace of civilization-changing technologies that accompanied their migrations are enduring mysteries. Scholars believe ancient peoples on Europe and Asia moved primarily ...

Other Sciences / Archaeology & Fossils

created Sep 19, 2011 | popularity 4 / 5 (4) | comments 2 | with audio podcast

Ancient wild horses help unlock past

An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.

Biology / Plants & Animals

created Aug 23, 2011 | popularity 4 / 5 (4) | comments 0 | with audio podcast

Demoting a dinosaur: New fossil material redefines Azendohsaurus as a peculiar early reptile

Azendohsaurus just shed its dinosaur affiliation. A careful new analysis of A. madagaskarensis -- this time based on the entire skull rather than on just teeth and jaws -- aligns this 230-million-year-old animal with a ...

Other Sciences / Archaeology & Fossils

created May 18, 2010 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

Resurrected mammoth blood very cool (w/ Video)

(PhysOrg.com) -- A team of international researchers has brought the primary component of mammoth blood back to life using ancient DNA preserved in bones from Siberian specimens 25,000 to 43,000 years old.

Biology / Biotechnology

created May 03, 2010 | popularity 4.8 / 5 (15) | comments 11

The Worm That Turned Evolutionary Key

(PhysOrg.com) -- The Keelworm, widespread in the seas and tide-pools around Scotland and the rest of the UK, is unwittingly helping scientists at the University of St Andrews to understand the evolution of modern animals.

Biology / Biotechnology

created Nov 20, 2009 | popularity 3.3 / 5 (4) | comments 0

Genetic sex determination let ancient species adapt to ocean life

(PhysOrg.com) -- A new analysis of extinct sea creatures suggests that the transition from egg-laying to live-born young opened up evolutionary pathways that allowed these ancient species to adapt to and thrive ...

Biology / Evolution

created Sep 16, 2009 | popularity 5 / 5 (3) | comments 0

Mystery about domestication of horse has been unravelled -- now location and time are proofed

Wild horses were domesticated in the Ponto-Caspian steppe region (today Russia, Kazakhstan, Ukraine, Romania) in the 3rd millennium B.C. Despite the pivotal role horses have played in the history of human societies, the process ...

Biology / Plants & Animals

created Apr 23, 2009 | popularity 4.7 / 5 (7) | comments 0

1.5 million-year-old fossil humans walked on modern feet (Video)

Ancient footprints found at Rutgers' Koobi Fora Field School show that some of the earliest humans walked like us and did so on anatomically modern feet 1.5 million years ago.

Other Sciences / Archaeology & Fossils

created Feb 26, 2009 | popularity 4.8 / 5 (6) | comments 1