Out of Africa date brought forward
(Phys.org) —A study on human mitochondrial DNA has led to a new estimate of the time at which humans first began to migrate out of Africa, which was much later than previously thought.
News tagged with genetic divergence
Study shows cultural flow may be slower than genetic divergence
(Phys.org)—A team of researchers from New Zealand and Australia has found that cultural exchange in human populations sometimes occurs at a much slower rate than genetic divergence. As the group explains in their paper ...
A new type of genetic variation could strengthen natural selection
(PhysOrg.com) -- The unexpected discovery of a new type of genetic variation suggests that natural selection - the force that drives evolution - is both more powerful and more complex than scientists have thought.
Evolution
Feb 17, 2010
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Evolution of new species requires few genetic changes
Only a few genetic changes are needed to spur the evolution of new species—even if the original populations are still in contact and exchanging genes. Once started, however, evolutionary divergence evolves rapidly, ultimately ...
Evolution
Oct 31, 2013
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Oldest existing lizard-like fossil hints at scaly origins
The fossilised remains of a reptile closely related to lizards are the oldest yet to be discovered. Two new fossil jaws discovered in Vellberg, Germany provide the first direct evidence that the ancestors of lizards, snakes ...
Archaeology
Sep 24, 2013
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Research suggests complex genetic heritage in three cicada species
(Phys.org) —A paper co-authored by ecology and evolutionary biology professor Chris Simon, two UConn research associates, and other colleagues, offers genetic proof that three common species of cicada, although each has ...
Plants & Animals
Mar 20, 2013
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What's in a surname? New study explores what the evolution of names reveals about China
What can surnames tell us about the culture, genetics and history of our society? That is the question being answered by Chinese researchers who have traced the evolution of surnames across China.The research, published in ...
Social Sciences
Apr 13, 2012
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Ancestors of land plants revealed
It was previously thought that land plants evolved from stonewort-like algae. However, new research published in BioMed Central's open access journal BMC Evolutionary Biology shows that the closest relatives to land plants ...
Evolution
Apr 18, 2011
12
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Paper offers new insights into the genomics of speciation
A new paper by a team of researchers led by University of Notre Dame biologist Jeffrey Feder could herald an important shift in thinking about the genomics of speciation.
Evolution
May 10, 2010
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'Miniature' mountain creature with 'squeaker'-like call discovered as new species
A "squeaker"-like sound pierced the air of a mountain forest in Rwanda. The call came from a "miniature" creature sitting on the forest floor. Scientists found the source of the sound—and discovered a new species.
Plants & Animals
Nov 9, 2023
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