March 15, 2004
Researchers are hard at work building biological time machines that reverse aging in some cells.
Some are trying to reset biological clocks by mimicking “magic factors” in human eggs — the only cells in a woman’s body not programmed to die. Others are identifying molecules that enable salamanders to re-grow limbs. Chemists in San Diego have created a chemical compound they call “reversine,” which resets muscle cells in mice… read more