Evolution
Imported Tortoises Could Replace Madagascar's Extinct Ones
Aldabra giant tortoises may fill a gap in Madagascar's sensitive ecosystem, scientists say
Stories by Crystal Gammon
Environment
Satellites Track Hurricane Sandy Water Pollution
Sandy's storm surge has long since receded, but authorities remain concerned about the plumes of raw sewage left in its wake
The Sciences
Will Sandy Change the Climate Change Conversation?
This week's superstorm moves climate change back into national discourse
Health
Chemicals Used in Plastics Linked to Diabetes in Women
Phthalates as much as doubled the rate of diabetes in women with the highest exposures
Environment
Pollution, Poverty and People of Color: Asthma and the Inner City
Seven million children now suffer from asthma--and they are disproportionately poor
Environment
Cancer in Wildlife May Signal Toxic Dangers
Cancer in wild animals may be triggered or accelerated by environmental contaminants, some researchers argue
Environment
Weed-Whacking Herbicide Proves Deadly to Human Cells
Used in gardens, farms, and parks around the world, the weed killer Roundup contains an ingredient that can suffocate human cells in a laboratory, researchers say
Environment
Global Warming May Lead to More West Nile Virus
A new, large survey of the mosquito-borne illness links it to increased rainfall, which may be a result of climate change
Health
Schools Keep Bugs at Bay a Safer Way
A new EPA plan would cut school pesticide use by 70 percent or more, but some say children and teachers should be protected by mandates, not voluntary guidelines
