"As fears were growing about the link between hormone therapy and breast cancer, a drug company paid the University of Wisconsin to sponsor ghostwritten medical education articles that downplayed the risks, records obtained by the Journal Sentinel show."

"The deadly bacterium, responsible for recent pistachio and peanut recalls, can live in many wild animals and in almost any climate. and it's thriving in our modern lifestyle."

As scientists watch the 11-year cycle of increasing and decreasing sunspots, they are finding that the Sun seems to be in an unusually calm period. The observation raises questions about the Sun's influence on climate.

Marine biologist Jane Lubchenco now heads one of the U.S. government’s key agencies researching climate change -- the National Oceanic and Atmospheric Administration. In an interview with Yale Environment 360, Lubchenco discusses the central role her agency is playing in understanding the twin threats of global warming and ocean acidification.

"The largest, most sophisticated tornado chase ever assembled has been roaming the Great Plains for the past five weeks looking to crack some of the basic mysteries about the wildest storms on Earth."

"The U.S. government will reverse a Bush administration policy and increase the role of scientists in setting air standards for criteria pollutants harmful to human health, Lisa Jackson, the administrator of the EPA, said."