Chloroquine or the similar compound quinine (an ingredient of tonic water) has been prescribed to prevent cramping.

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Yet despite the fact that we are all as familiar with this formula as we are with compound interest, very little of this intellectual water ever reaches our stone dry hearts.

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Hydrogen was indeed found, but it is still unclear whether it is in the form of ice, or of some other hydrogen-containing compound, such as hydrated minerals that have water bound chemically into their crystal structures.

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But images provided by the National Geospatial-Intelligence Agency showed that there was standing water in the vicinity, suggesting that the compound sat in a flood basin.

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"If you compound losing body parts with losing friends, just getting in the water is a release, " he says, adding that fishing gave him enhanced dexterity because it helped him learn to walk on prosthetics in the water.

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Mr Thakkar, scrutineer of the Indian water scene, says that although the installed capacity of India's hydro projects increased at a compound rate of 4.4% a year between 1991 and 2005, the amount of energy generated actually fell.

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