News tagged with genetic evidence
Alan Turing's 1950s tiger stripe theory proved
Researchers from King's College London have provided the first experimental evidence confirming a great British mathematician's theory of how biological patterns such as tiger stripes or leopard spots are ...
Feb 19, 2012 |
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Ancient woman suggests diverse migration
A scientific reconstruction of one of the oldest sets of human remains found in the Americas appears to support theories that the first people who came to the hemisphere migrated from a broader area than once ...
Other Sciences / Archaeology & Fossils
Jul 23, 2010 |
4.8 / 5 (25) |
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Genetic analysis finds that modern humans evolved from southern Africa's Bushmen
A team of Stanford University scientists, using the largest-ever genetic analysis of remote tribal people, have determined that the human family tree is rooted in one of the world's most marginal and primitive people - the ...
Mar 09, 2011 |
4.5 / 5 (24) |
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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 ...
Nov 10, 2009 |
4.7 / 5 (23) |
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Research team finds new explanation for Cambrian explosion
(PhysOrg.com) -- For hundreds of years, researchers from many branches of science have sought to explain the veritable explosion in diversity in animal organisms that started approximately 541 million years ...
Space & Earth / Earth Sciences
Nov 29, 2011 |
4.8 / 5 (20) |
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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 /
Jan 08, 2009 |
4.8 / 5 (13) |
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Antarctic octopus tells story of ice-sheet collapse
Scientists have long been concerned that the massive West Antarctic Ice Sheet could collapse if global temperatures keep climbing. If it did, sea levels are predicted to rise by as much as five meters.
Space & Earth / Earth Sciences
May 07, 2012 |
4.3 / 5 (13) |
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Fish out of water: Gene clue to evolutionary step
Two genes controlling a tissue protein may have played a role in the key period when fish shed their fins and became limbed land-lovers, a study published by Nature on Thursday said.
Jun 24, 2010 |
4.9 / 5 (11) |
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Tracking viruses back in time
How long have viruses been around? No one knows. Scientists at Portland State University have begun taking the first steps toward answering this question.
Space & Earth / Earth Sciences
Sep 06, 2010 |
4.9 / 5 (11) |
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DNA evidence tells 'global story' of human history
In recent years, DNA evidence has added important new tools for scientists studying the human past. Now, a collection of reviews published by Cell Press in a special issue of Current Biology published online on February 22nd o ...
Feb 22, 2010 |
4.5 / 5 (10) |
5
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Study solves mystery of horse domestication
New research indicates that domestic horses originated in the steppes of modern-day Ukraine, southwest Russia and west Kazakhstan, mixing with local wild stocks as they spread throughout Europe and Asia. The research was ...
May 07, 2012 |
5 / 5 (9) |
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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.
Jun 04, 2009 |
4.3 / 5 (9) |
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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 ...
Mar 31, 2009 |
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lobSTR algorithm rolls DNA fingerprinting into 21st century
As any crime show buff can tell you, DNA evidence identifies a victim's remains, fingers the guilty, and sets the innocent free. But in reality, the processing of forensic DNA evidence takes much longer than a 60-minute primetime ...
Apr 27, 2012 |
4.7 / 5 (7) |
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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 ...
Sep 24, 2009 |
3.9 / 5 (8) |
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