Word: geneses
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The secret is genes, I think. I had nothing to do with it. [My parents] lived to 91 and 93. I've never exercised. I have no special diet. Anything that's given to me I eat.
Even before the human genome was mapped, scientists found genes that appeared to play a role in how cells age. More significantly, they discovered a cufflike structure--dubbed a telomere--at the end of chromosomes that shortens each time a cell divides. When the telomere all but disappears, the cell...
But things aren't as easy as simply dosing a cell with telomerase. Once you immortalize the cell, it will start to divide indefinitely--just the thing cancer cells do to such destructive effect. In a recent, unrelated study that hints at the problem, scientists found that an enzyme known...
Will Bin Laden genes sell jeans?
“Once we know how it is built, we can follow the pathways out of the brain and investigate how it drives the body’s internal processes, such as the sleep-wake cycle. We’ve only just gotten our foot in the door,?...