Research reveals aquatic bacteria more recent move to land

Research by University of Tennessee, Knoxville, faculty has discovered that bacteria's move from sea to land may have occurred much later than thought. It also has revealed that the bacteria may be especially useful in bioenergy ...

Google strikes deal to preserve DNA data online

Concerned that the federal government might not keep funding the world's largest free database of genetic data, Google Inc. has forged a deal with a Mountain View, Calif., startup to keep the information online - and free ...

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.

True causes for extinction of cave bear revealed

The cave bear started to become extinct in Europe 24,000 years ago, but until now the cause was unknown. An international team of scientists has analysed mitochondrial DNA sequences from 17 new fossil samples, and compared ...

Genome comparison tools found to be susceptible to slip-ups

(PhysOrg.com) -- You might call it comparing apples and oranges, but lining up different species' genomes is common practice in evolutionary research. Scientists can see how species have evolved, pinpoint which sections of ...

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.

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