Volcanic ash poses a significant hazard for areas close to volcanoes and for aviation. For example, the 2010 eruption of Eyjafjallajökull, Iceland, clearly demonstrated that even small-to-moderate ...

Examples of erosion and deposition in north-central Pennsylvania from Tropical Storm Lee. (A) Extensive gravel bars formed in a disequilibrium zone on lower Fishing Creek. (B) Washed out bridge in ...

Perovskite hydrides are promising materials for various emerging energy technologies, but measuring their intrinsic hydride-ion conductivity is difficult. In a recent study, researchers address this ...

Water droplets can slide down or bounce off a leaf's surface because it has a waxy hydrophobic (water-repellent) coating.

V. 1. Conference statement, Plenary papers -- volume 2. Lake acidification, Natural versus anthropogenic acidification, Long term trends, Acidification and heavy metals, Nutrient deposition and ...