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Photographer James Balog shares new image sequences from the Extreme Ice Survey, a network of time-lapse cameras recording glaciers receding at an alarming rate, some of the most vivid evidence yet of climate change.

2009

 TED climate change ice glacier time flow
A subterranean river said to be flowing beneath the Amazon region of Brazil is not a river in the conventional sense, even if its existence is confirmed.

2011-08-27

 subterranean river underground Amazon water flow porous
Irish mathematicians may have solved the mystery of why bubbles in stout beers such as Guinness sink: it may simply be down to the glass. Simulations suggest an upward flow at the glass's centre and a downward flow at its edges in which the liquid carried the bubbles down with it. But the reasons behind this flow pattern remained a mystery...

2012-05-29

 beer glass bubble carbon dioxide nitrogen flow
Scientists say they have seen features on Asteroid Vesta that look as though they could have been cut by some sort of fluid flow - possibly liquid water.

2012-12-06

 asteroid Vesta water flow