The evolution of similar traits in different species, a process known as convergent evolution, is widespread not only at the physical level, but also at the genetic level, according to new research led by scientists at Queen ...
Evolution
Sep 4, 2013
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Sheep keep having twins even in old age, say scientists.
Ecology
Mar 4, 2013
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An international team of researchers has reconstructed the common ancestor of placental mammals—an extremely diverse group including animals ranging from rodents to whales to humans—using the world's largest dataset of ...
Archaeology
Feb 7, 2013
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A large proportion of aspen in the western U.S. sport an extra set of chromosomes in their cells, a phenomenon termed triploidy, according to new research published Oct. 31 in the open access journal PLoS ONE by Karen Mock ...
Plants & Animals
Oct 31, 2012
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(Phys.org)—A Simon Fraser University physicist has helped discover that understanding how a chemical mark on our DNA affects gene expression could be as useful to scientists as fingerprints are to police at a crime scene.
Biochemistry
Oct 11, 2012
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(Phys.org)—Researchers from Scotland suggest that stereotypes form and evolve over time through social transmission of information, similar to the way in which languages evolve.
University of Alberta led research shows an elk's personality type is a big factor in whether or not it survives the hunting season.
Plants & Animals
Sep 4, 2012
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New York University biologists have discovered new mechanisms that control how proteins are expressed in different regions of embryos, while also shedding additional insight into how physical traits are arranged in body plans. ...
Biotechnology
Apr 26, 2012
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Following one of Earth's five greatest mass extinctions, tiny marine organisms called graptoloids did not begin to rapidly develop new physical traits until about 2 million years after competing species became extinct.
Evolution
Feb 13, 2012
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Pigeons display spectacular variations in their feathers, feet, beaks and other physical traits, but a new University of Utah study shows that visible traits don't always coincide with genetics: A bird from one breed may ...
Plants & Animals
Jan 19, 2012
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