August 24, 2001 |
Most or all of the human embryonic stem cell colonies approved for research funding under a new Bush administration policy have been mixed in the laboratory with mouse cells, possibly creating substantial hurdles for scientists trying to turn the colonies into treatments for Parkinson's disease, spinal cord injuries and other ailments.
August 23, 1999 |
The heat of August may seem like a strange time to be talking about winter drownings, but new research suggests that rescuers may be taking a wrong approach in their attempts to revive people who have fallen into icy ponds and lakes. Conventional wisdom holds that such victims typically die of hypothermia, a cold-induced stoppage of the heart, and most first aid is now directed at restoring normal body temperatures.