WORLD OF WATER

Science  05 Oct 2007:
Vol. 318, Issue 5847, pp. 25d
DOI: 10.1126/science.318.5847.25d
CREDIT: R. MICKENS/AMNH

Replicas of distinctive towers that rise from California's extremely salty Mono Lake will be featured at a major exhibit on water at the American Museum of Natural History in New York City. The massive pillars, of a type of limestone called tufa, form underwater from an interaction of calcium from freshwater springs with carbonates in the lake water. Up to 10 meters high, they now poke out because of water diversions.

The exhibit, called Water: H2O = Life, is designed to explore water from every angle, from its various cultural and spiritual aspects to the shortage of clean water facing most of the world's poor. It opens on 3 November and leaves for a world tour next June.

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