Alligators have a powerful bite but the muscles that open the jaw are relatively weak. An adult human could hold the jaws of an alligator shut with their bare hands.

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

The UK's best selling hiking magazine published faulty coordinates for descending Scotland's tallest peak (Ben Nevis), and recommended a route that leads climbers off the edge of a cliff.

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