Excess nitrogen puts butterflies at risk

Nitrogen from agriculture, vehicle emissions and industry is endangering butterflies in Switzerland. The element is deposited in the soil via the air and has an impact on vegetation—to the detriment of the butterflies, ...

'Slow slip' earthquakes' hidden mechanics revealed

Slow slip earthquakes, a type of slow motion tremor, have been detected at many of the world's earthquake hotspots, including those found around the Pacific Ring of Fire, but it is unclear how they are connected to the damaging ...

Average-sized 'dead zone' forecast for Gulf of Mexico

A team of scientists including a University of Michigan aquatic ecologist is forecasting this summer's Gulf of Mexico hypoxic area or "dead zone," an area of low to no oxygen that can kill fish and other marine life, to be ...