News tagged with water surface

Mars may act as a giant planetary pump

(Phys.org) —The surface of Mars is full of activity, with dust storms, dust devils, and drifting dunes in constant motion. Scientists suspect that similarly rich activity may exist underneath the surface, ...

Dec 23, 2013 4.6 / 5 (28) 5 | with audio podcast feature

Video: The anatomy of a raindrop

When asked to picture the shape of raindrops, many of us will imagine water looking like tears that fall from our eyes, or the stretched out drip from a leaky faucet. This popular misconception is often reinforced in weather ...

Dec 11, 2013 5 / 5 (3) 0

Efficient use of fertilisers on dairy farms

Nitrogen and phosphate are important fertilisers. But excessive amounts often found in fields and pastures end up polluting the ground and surface water. Furthermore, dairy farmers are squandering their profits ...

Dec 02, 2013 5 / 5 (1) 0

Feast and famine on the abyssal plain

Animals living on the abyssal plain, miles below the ocean surface, don't usually get much to eat. Their main source of food is "marine snow"—a slow drift of mucus, fecal pellets, and body parts—that ...

Nov 11, 2013 5 / 5 (4) 0 | with audio podcast

Tracking micropollutants in Lake Geneva

Antibiotics, urban pesticides, and other contaminants accumulate where wastewater is released into Lake Geneva. Using computer simulations, EPFL researchers have shown that the risk they pose is highest during ...

Oct 25, 2013 not rated yet 0