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.
Bio & Medicine
Dec 23, 2007
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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.
Dec 23, 2007
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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.
Dec 23, 2007
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