Saturday, August 16, 2014

How Microscopic Ocean Life May Help Make It Rain | Science | WIRED

How Microscopic Ocean Life May Help Make It Rain | Science | WIRED: "SAN FRANCISCO—Clouds can carry millions of pounds of water, but that doesn’t mean rain and snow just happen. Hundreds of thousands of water vapor molecules need to freeze together as ice before they are heavy enough to fall to the ground. But, the water molecules need a bit of dust or other microscopic matter to latch onto in order to get started, and some of the best bits for forming ice are pieces of once-living cells. Scientists now believe a lot of the organic matter in clouds is released into the air by breaking waves in the ocean."



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