Researchers achieve another stem cell milestone: Revert human skin cells to embryonic stem cell-like state
Biology /
Dec 23, 2007 |
4.5 / 5 (36) |
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Harvard Stem Cell Institute researchers have successfully turned back the clock on human skin cells, causing them to revert to an embryonic stem cell-like state from which they can become any cell in the body.
Sleep chemical central to effectiveness of deep brain stimulation
Dec 23, 2007 |
4.4 / 5 (13) |
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A brain chemical that makes us sleepy also appears to play a central role in the success of deep brain stimulation to ease symptoms in patients with Parkinson’s disease and other brain disorders. The surprising finding is ...
Gold nanoparticle probes may allow earlier cancer detection
Nanotechnology / Bio & Medicine
Dec 23, 2007 |
4.8 / 5 (9) |
1
Using tiny gold particles embedded with dyes, researchers have shown that they can identify tumors under the skin of a living animal. These tools may allow doctors to detect and diagnose cancer earlier and less invasively.
Study: Giraffes are more than one species
Biology /
Dec 23, 2007 |
4.1 / 5 (10) |
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A new study suggests there may be at least six species of giraffe in Africa, rather than one as they are currently classified.
Study suggests some brain injuries reduce the likelihood of post-traumatic stress disorder
Dec 23, 2007 |
4 / 5 (2) |
0
A new study of combat-exposed Vietnam War veterans shows that those with injuries to certain parts of the brain were less likely to develop post-traumatic stress disorder (PTSD). The findings, from the National Institutes ...
Jordan on alert for bird flu
Dec 23, 2007 |
4 / 5 (1) |
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Jordan is trying to prevent an outbreak of bird flu from crossing over from Saudi Arabia.
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