A multicellular green alga, Volvox carteri, may have finally unlocked the secrets behind the evolution of different sexes. A team led by researchers at the Salk Institute for Biological Studies has shown that the genetic ...
Cell & Microbiology
Apr 15, 2010
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(PhysOrg.com) -- An international team of scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig has sequenced ancient mitochondrial DNA from a finger bone found in southern Siberia. The bone is ...
Archaeology
Mar 24, 2010
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Shark pups born to virgin mothers can survive over the long-term, according to new research published Jan. 25, 2010 in the Journal of Heredity. The study shows for the first time that some virgin births can result in viable ...
Plants & Animals
Jan 25, 2010
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(PhysOrg.com) -- A four thousand year old Egyptian mummy's tooth has yielded its DNA to probing scientists.
(PhysOrg.com) -- Using DNA not as a genetic material but as a structural support, Cornell researchers have created thin sheets of gold nanoparticles held together by strands of DNA. The work could prove useful for making ...
Bio & Medicine
May 20, 2009
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(PhysOrg.com) -- An international team of researchers has determined key structural features of the largest known virus, findings that could help scientists studying how the simplest life evolved and whether the unusual virus ...
Cell & Microbiology
Apr 28, 2009
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The new technique solves one of the most challenging safety hurdles associated with personalized stem cell-based medicine because for the first time it enables scientists to make stem cells in the laboratory from adult cells ...
Cell & Microbiology
Apr 23, 2009
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(PhysOrg.com) -- Understanding how living cells originated and evolved into their present forms remains a fundamental research area in biology, one boosted in recent years by the introduction of new tools for genomic analysis. ...
Cell & Microbiology
Apr 22, 2009
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For years, microbiologist Stephen Beverley, Ph.D., has tried to get the disease-causing parasite Leishmania in the mood for love. In this week's Science, he and colleagues at the National Institutes of Health report that ...
Cell & Microbiology
Apr 9, 2009
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Bacteriophages, or phages for short, are viruses that infect bacteria and kill them through a lysis process. Phages can kill bacteria on or in a multicellular host organism, such as the polyp of the moon jellyfish. Phages ...
Ecology
Apr 30, 2024
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