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 Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.

The only one-syllabled U.S. state is Maine.

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