Back in 1919, the Russian transplant pioneer Serge Voronoff made headlines by grafting monkey testicles onto human males.

In the last 30 years, only seven people have been killed by a polar bear in Canada.

The name for Oz in "The Wizard of Oz" was thought up when the creator, Frank Baum, looked at his filing cabinet and saw A-N, and O-Z, hence "Oz."

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