The male praying mantis cannot copulate while its head is attached to its body. The female initiates sex by ripping the males head off.

The average day is actually 23 hours, 56 minutes and 4.09 seconds. We have a leap year every four years to make up for this shortfall.

The United Parcel Service shipped the killer whale Keiko (star of Disney movie "Free Willy") from Mexico City to Newport, Oregon in 1998.

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