Skeletons don't lie. But sometimes they may mislead, as in the case of bones that reputedly showed evidence of syphilis in Europe and other parts of the Old World before Christopher Columbus made his historic voyage in 1492.
Archaeology
Dec 20, 2011
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A group of enthusiastic cytogeneticists (Marlykynti Hynniewta, Surendra Kumar Malik and Satyawada Rama Rao) from North Eastern Hill University show that C. indica occupies a special taxonomic position, as reflected in the ...
Ecology
Nov 10, 2011
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(PhysOrg.com) -- Indiana University biologists have uncovered how a control system works in producing the important light-harvesting antennae that power photosynthesis in cyanobacteria, the microorganisms that are progenitors ...
Cell & Microbiology
Nov 3, 2011
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Researchers at the University of California, Berkeley, have turned back the clock on mature muscle tissue, coaxing it back to an earlier stem cell stage to form new muscle. Moreover, they showed in mice that the newly reprogrammed ...
Biotechnology
Sep 22, 2011
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Stem cell researchers at UCLA have discovered that three types of cells derived from human embryonic stem cells and induced pluripotent stem cells are similar to each other, but are much more developmentally immature than ...
Cell & Microbiology
Aug 17, 2011
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For decades, scientists have studied a laboratory mouse model that develops signs of the paralyzing disease amyotrophic lateral sclerosis (ALS) as they age. In a new study appearing in Nature Biotechnology, investigators ...
Biotechnology
Aug 11, 2011
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Scientists at the Salk Institute for Biological Studies have developed an improved technique for generating large numbers of blood cells from a patient's own cells. The new technique will be immediately useful in further ...
Cell & Microbiology
Jul 15, 2011
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Adult stem cells and progenitor cells may not come with a clean genetic slate after all. That's because a new report in the FASEB Journal shows that adult stem or progenitor cells have their own unique "epigenetic signatures," ...
Cell & Microbiology
Jun 30, 2011
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(PhysOrg.com) -- Supernovae are the explosive deaths of massive stars, cataclysms that disburse into space the chemical elements produced by nuclear reactions inside the progenitor stars. Understanding chemical enrichment ...
Astronomy
Jun 24, 2011
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Researchers may have found the key to developing a method to rid the body of stem cells responsible for driving fat expansion. According to a report in the June 16 Cell Stem Cell, a Cell Press publication, they've landed ...
Cell & Microbiology
Jun 16, 2011
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