"Two teams of researchers who have engineered deadly and pathogenic flu viruses have reluctantly agreed to withhold vital details of their work for national-security reasons -- the first time any scientific team has been asked to do so."

"The Justice Department is helping British authorities in an investigation into the hacking of climate scientists’ emails, which caused an uproar among skeptics of global warming when they were released two years ago."

"The tobacco industry is accused today of misleading smokers over the safety of additives in cigarettes."

"The U.S. Environmental Protection Agency will release standards to combat air-toxics emissions from power plants during an event tomorrow at Children’s National Medical Center in Washington."

"FAIRBANKS, Alaska — A bubble rose through a hole in the surface of a frozen lake. It popped, followed by another, and another, as if a pot were somehow boiling in the icy depths. Every bursting bubble sent up a puff of methane, a powerful greenhouse gas generated beneath the lake from the decay of plant debris. These plants last saw the light of day 30,000 years ago and have been locked in a deep freeze — until now. ..."

"A new discovery from a chemist at the University of Texas at Austin may allow photovoltaic solar cells to double their efficiency, thus providing loads more electrical power from regular sunlight."

"Police officers investigating the theft of thousands of private emails between climate scientists from a University of East Anglia server in 2009 have seized computer equipment belonging to a web content editor based at the University of Leeds.

"The Institute of Medicine report stops short of asking the federal government to retire all the animals, saying future unseen threats to human health may require their use."

"Scientists eagerly await data that may prove the existence of the Higgs boson, which is key to understanding mass in the universe. Or the hints may be a false alarm."

"CHEYENNE - The U.S. Environmental Protection Agency announced Thursday for the first time that fracking - a controversial method of improving the productivity of oil and gas wells - may be to blame for causing groundwater pollution."