(PhysOrg.com) -- Thanks to genetic data gleaned from the bones found in a several museum collections, an international team of researchers led by scientists from Yale believes it may be possible to resurrect a tortoise species ...
Biotechnology
Jan 18, 2010
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(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in the environment.
(AP) -- British scientists begin a new study on Tuesday to consider how human DNA is used in animal experiments and to determine what the boundaries of such controversial science might be.
Biotechnology
Nov 9, 2009
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(PhysOrg.com) -- Bits of movable DNA called transposable elements or TEs fill up the genomes of plants and animals, but it has remained unclear how a genome can survive a rapid burst of hundreds, even thousands of new TE ...
Biotechnology
Oct 21, 2009
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(PhysOrg.com) -- Genetic information from an extinct species of bison preserved in permafrost for thousands of years could help improve modern agricultural livestock and breeding programs, according to University of Adelaide ...
Biotechnology
Oct 20, 2009
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While studying an HIV protein that plays an essential role in AIDS progression, researchers at the University of Pittsburgh School of Medicine have discovered compounds that show promise as novel treatments for the disease.
Biochemistry
Oct 13, 2009
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When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the larger hoofed ...
Evolution
Sep 24, 2009
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When it comes to understanding a critical junction in animal evolution, some short, simple flatworms have been a real thorn in scientists' sides. Specialists have jousted over the proper taxonomic placement of a group of ...
Evolution
Sep 23, 2009
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(PhysOrg.com) -- With advancements in genetic engineering, researchers say that it may soon be possible to breed farm animals that don't feel pain. The suggestion has sparked controversy on whether denying animals the ability ...
Small interfering RNA (siRNA), a type of genetic material, can block potentially harmful activity in cells, such as tumor cell growth. But delivering siRNA successfully to specific cells without adversely affecting other ...
Biotechnology
Aug 27, 2009
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