News tagged with variation
Study shows humans still evolving
(PhysOrg.com) -- A new study published in the Proceedings of the National Academy of Sciences provides evidence of human evolution and rapid genetic changes suggesting that, contrary to modern claims, technological and cu ...
Oct 04, 2011 |
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New data still have scientists in dark over dark matter
(PhysOrg.com) -- A dark-matter experiment deep in the Soudan mine of Minnesota now has detected a seasonal signal variation similar to one an Italian experiment has been reporting for more than a decade.
Jun 07, 2011 |
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Castaway lizards provide insight into elusive evolutionary process
A University of Rhode Island biologist who released lizards on tiny uninhabited islands in the Bahamas has shed light on the interaction between evolutionary processes that are seldom observed.
Feb 02, 2012 |
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European neanderthals were on the verge of extinction even before the arrival of modern humans: study
New findings from an international team of researchers show that most neanderthals in Europe died off around 50,000 years ago.
Other Sciences / Archaeology & Fossils
Feb 26, 2012 |
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Shared genes with Neanderthal relatives not unusual
During human evolution our ancestors mated with Neanderthals, but also with other related hominids. In this week's online edition of PNAS (Proceedings of the National Academy of Sciences), researchers from Uppsala Univer ...
Oct 31, 2011 |
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Why Europe's climate faces a stormy future
(PhysOrg.com) -- Europe is likely to be hit by more violent winter storms in the future. Now a new study into the effects of climate change has found out why.
Space & Earth / Earth Sciences
Apr 03, 2012 |
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Clues to Neanderthal hunting tactics hidden in reindeer teeth
Scientists have found that our cousins the Neanderthal employed sophisticated hunting strategies similar to the tactics used much later by modern humans. The new findings come from the analysis of subtle chemical ...
Other Sciences / Archaeology & Fossils
May 16, 2011 |
4.9 / 5 (8) |
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Sex explains why the fit don't always survive
(PhysOrg.com) -- New research from The Australian National University has shown how genetic variation persists through generations, rather than being bred out in an evolution towards a ‘perfect type’.
Nov 22, 2011 |
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Ancient DNA provides new insights into cave paintings of horses
An international team of researchers has used ancient DNA to shed new light on the realism of horses depicted in prehistoric cave paintings.
Nov 07, 2011 |
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New research suggests European Neandertals were almost extinct long before humans showed up
Western Europe has long been held to be the "cradle" of Neandertal evolution since many of the earliest discoveries were from sites in this region. But when Neandertals started disappearing around 30,000 years ...
Other Sciences / Archaeology & Fossils
Mar 26, 2012 |
4.4 / 5 (8) |
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Climate cycles are driving wars, says study
In the first study of its kind, researchers have linked a natural global climate cycle to periodic increases in warfare. The arrival of El Niño, which every three to seven years boosts temperatures and ...
Space & Earth / Earth Sciences
Aug 24, 2011 |
3.4 / 5 (9) |
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Believing in the pygmy bunny
Like the Easter Bunny, the Columbia Basin pygmy rabbit of Washington state may soon exist only in our imaginations. None have been seen in the wild since 2004. But a new breeding program is aiming to rebuild ...
Apr 20, 2011 |
5 / 5 (6) |
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80 percent of world climate data are not computerized
In order to gain a better knowledge of climate variations, such as those caused by global warming, and be able to tackle them, we need to understand what happened in the recent past. This is the conclusion ...
Jul 20, 2011 |
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Rapid changes in Greenland climate last 5,000 years, study finds
(PhysOrg.com) -- Abrupt average temperature changes of as much as 4 or 5 degrees Celsius over a few decades may have profoundly affected human civilization for cultures that occupied western Greenland over ...
Space & Earth / Earth Sciences
Jun 01, 2011 |
4.1 / 5 (7) |
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Far-out photosynthesis
Photosynthesis maintains Earth's habitability for life as we know it, and shapes the way we search for habitable worlds around distant stars. Scientists have discovered a microbe that can use low-energy light ...
Mar 16, 2012 |
4.8 / 5 (6) |
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