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Only one color, but not one ...

Only one color, but not one size, Stuck at the bottom, yet easily flies. Present in sun, but not in rain, Doing no harm, and feeling no pain. What is it?

Correct answers: 54

The first user who solved this task is Sanja Šabović.

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Dealing with stupid people

I've decided to add “extensive experience in dealing with stupid people” to my resume. That HAS GOT to be a marketable skill!

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First U.S. yeast preparation patent

In 1863, the first U.S. yeast preparation patent was issued to J.T. Alden of Cincinnati, Ohio (No. 40,451), for "an improvement in the preparation of yeast" which reduced concentrated yeast from a plastic or semi-fluid state to a dry granular form, a convenient way of preservation for future use. His process was to press the live yeast concentrate through a fine wire mesh to produce threads of the substance of about 1/8-inch square. When laid on drying racks, moisture rapidly evaporated because of the high surface area, leaving the dried yeast in a finely-divided state. The granular form avoided the grinding and crushing needed with using cake form dried yeast, which mechanically damaged the yeast cells, reducing the active yield.

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