Manmade Flood Unleashed in Grand Canyon
PAGE, Ariz. (AP) -- Four arcs of water unleashed from a dam coursed through the Grand Canyon on Wednesday in a flood meant to mimic the natural ones that used to nourish the ecosystem by spreading sediment.... hosted.ap.org
Cloned cells treat Parkinson's in mice
WASHINGTON (Reuters) - Researchers who used cloned embryonic stem cells to treat Parkinson's disease in mice said on Sunday they worked better than other cells. feeds.reuters.com
Climate Change Brings Health Risks
A government official said certain regions of the country — and the elderly and children — will be most vulnerable to health problems as a result of climate change. nytimes.com