Ten-dollar gifts may seem like drops in the ocean.

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When there are lots of nucleation centres around, the small drops end up even smaller than usual (ten thousandths of a millimetre, or microns, across, instead of 50 microns).

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Indiana's loss drops them into a three-way tie for first in the Big Ten with Michigan and Michigan State.

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In poorer states, one child in five drops out of school before sixth grade, compared with fewer than one in ten in richer states.

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What I've described here are the first few drops of a storm that will overtake more than a few industries in the next ten years.

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