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 artist Vincent Van Gogh sliced part of his ear off in madness.

One out of five people in the world (1.1 billion people) live on less than $1 per day.

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