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I know a word of letters thr...

I know a word of letters three. Add two, and fewer there will be! What Word Am I?

Correct answers: 32

The first user who solved this task is Djordje Timotijevic.

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Chilling with Eskimos

Q: What do Eskimos get from sitting on a block of ice?

A. Polaroids.

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Radioisotopes exported

In 1947, radioactive isotopes produced from phosphorus-31, arrived at Canberra, Australia, being the first export of radioisotopes from the U.S. They were to be used in Australia's X-ray and medical laboratory. Oak Ridge National Laboratory in Oak Ridge, Tenn., produced the isotopes as a by-product of the chain reaction in a uranium pile. They travelled by airplane via San Francisco, California.

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