Your Hair Is Going Gray. This Glitch May Explain Why.
Many of the signs of aging are invisible, slow, and subtle — changes in cell …
Many of the signs of aging are invisible, slow, and subtle — changes in cell …
The pigs had been lying dead in the lab for an hour — no blood …
By fishing shards of bacterial DNA from the teeth of bodies in a cemetery, researchers found the starting point for the plague that devastated Eurasia, they say.