Neanderthals may have interbred with humans twice
(PhysOrg.com) -- Extinct human species such as Neanderthals may still be with us, at least in our DNA, and this may help explain why they disappeared from the fossil record around 30,000 years ago.
Apr 21, 2010
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Evolution may take giant leaps
'Game-changer' in evolution from S. African bones
An analysis of 2 million-year-old bones found in South Africa offers the most powerful case so far in identifying the transitional figure that came before modern humans - findings some are calling a potential ...
Sep 08, 2011
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What are the Chances? Probability Solves an Evolutionary Puzzle
The origin of species may be almost as random as a throw of the dice. Iosif Pinelis, a professor of mathematical sciences at Michigan Technological University, has worked out a mathematical solution to a biological puzzle: ...
Jan 30, 2009
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Societies evolve slowly, just like biological species
(PhysOrg.com) -- It has been a contentious issue for some time among historians, anthropologists, and archaeologists whether societies and cultures arise slowly or in sudden bursts and if they collapse in ...
Oct 14, 2010
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'Snakes' seen in human cells
(PhysOrg.com) -- Curious snake-like forms have been spotted in cells from many different species across the evolutionary tree. Now Oxford scientists have shown they exist in human cells as well.
Oct 03, 2011
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Newts' ability to regenerate tissue replicated in mouse cells
Tissue regeneration a la salamanders and newts seems like it should be the stuff of science fiction. But it happens routinely. Why can't we mammals just re-grow a limb or churn out a few new heart muscle cells as needed? ...
Aug 05, 2010
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Long-extinct passenger pigeon finds a place in the family tree
With bits of DNA extracted from century-old museum specimens, researchers have found a place for the extinct passenger pigeon in the family tree of pigeons and doves, identifying for the first time this unique ...
Oct 06, 2010
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Diuscovery in amber reveals ancient biology of termites
The analysis of a termite entombed for 100 million years in an ancient piece of amber has revealed the oldest example of "mutualism" ever discovered between an animal and microorganism, and also shows the ...
May 14, 2009
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Future forests may soak up more carbon dioxide than previously believed
North American forests appear to have a greater capacity to soak up heat-trapping carbon dioxide gas than researchers had previously anticipated.
Oct 13, 2011
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Largest group of fossil humans are Neanderthals after all
(Phys.org) -- The world's largest known sample of fossil humans has been classified as the species Homo heidelbergensis but in fact are early Neanderthals, according to a study by Prof Chris Stringer of the ...
Jun 13, 2012
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Evolution rewritten, again and again
Ancient 'monster' insect offers Halloween inspiration
Just in time for Halloween, researchers have announced the discovery of a new, real-world "monster" - what they are calling a "unicorn" fly that lived about 100 million years ago and is being described as ...
Oct 26, 2009
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Self-medication in animals much more widespread than believed
It's been known for decades that animals such as chimpanzees seek out medicinal herbs to treat their diseases. But in recent years, the list of animal pharmacists has grown much longer, and it now appears that the practice ...
Apr 11, 2013
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