News tagged with high water

Sao Paulo drought issue for global concern

He cast his rod happily here for 30 years—but where a river once teemed with fish, Brazilian fisherman Ernane da Silva these days stares out over a valley of weeds and bone dry, sun-parched land.

dateNov 26, 2014 in Environment
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Supercritical fluids explained

When we boil a kettle, we observe what scientists call a phase transition: the water changes from being a liquid to a gas as water becomes less dense. One litre of water boils to give about 1,000 litres of ...

dateMay 26, 2014 in General Physics
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New material to soak up oil spills?

Scientists said Tuesday they had manufactured a lightweight and reusable material that can absorb up to 33 times its weight in certain chemicals—a possible new tool against water pollution.

dateApr 30, 2013 in Nanomaterials
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