
The hydraulic fracturing, or fracking, of deep shale deposits is unearthing a lot of natural gas — and controversy

Scientists suspect the repellant messes with a mosquito’s sense of smell

Scientists are using green materials to create more Earth-friendly plastics
Scientists report finding bacterium that can live off arsenic
Here’s one way to avoid BPA this holiday season
Study finds that dihydrocapsiate may give a diet extra power.
Chemicals are turning up in small Arctic villages far from factories and cities
A tiny molecule may make a big difference in future warning systems
Some products contain chemicals that can pose a serious health risk
Is caffeine bad or good for you? The answer is: a little of both.