When dormant volcanoes are about to erupt, they show some predictive characteristics–seismic activity beneath the volcano starts to increase, gas escapes through the vent, or the surrounding ground starts to deform. However, until now, there has not been a way to forecast eruptions of more restless volcanoes because of the constant seismic activity and gas…

Hydrogen is the most-abundant element in the universe. It's also the simplest–sporting only a single electron in each atom. But that simplicity is deceptive, because there is still so much we have to learn about hydrogen.One of the biggest unknowns is its transformation under the extreme pressures and temperatures found in the interiors of giant…