Catnip is ten-times more effective at repelling mosquitoes than DEET, the main substance used in insect repellents.

It is possible to identify the sex of the giraffe from the horns on its head. Both males and females have horns but the females are smaller and covered with hair at the top. Male giraffes may have up to 3 additional horns.

The most popular chocolate bar in the United Kingdom for the last 15 years has been Kit Kat.

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