Cloth Masks Trap Gases For Better Filtration

It's not often a student actually gets to create their idea, let alone have the US Department of Defense sponsor it. But Cornell University student Jennifer Keane's cloth mask could have major impact on the army; firefighters and countless other professions. » 4/13/11 11:20am 4/13/11 11:20am

The Science of Flatulence, Farts, Oops Poops, and Toots

For someone who constantly deals with gases emitted from strangers' derrieres, Dr. Lester Gottesman sure looks cheery. Then again, how could a man who explains that the signature smell of people's farts is determined at birth not look permanently amused? » 3/19/10 11:20pm 3/19/10 11:20pm