Marijuana is now legal in many places, but is it safe? Two new studies add to mounting evidence that people who use cannabis are more likely to suffer a heart attack than people who do not use the ...

Beneath the surface of lakes and coastal waters lies a hidden world of sediment that plays a crucial role in the health of aquatic ecosystems. "Benthic fluxes" of nitrogen and phosphorus, such as ...

Chinese researchers have recently developed a floating hydrovoltaic device that harvests electricity from raindrops.