The reason why locusts swarm are because when they are in groups, a "hot-spot" behind their hind legs is stimulated, which in turn causes their destructive nature. A large swarm of locusts can eat eighty thousand tons of corn in a day.

Oral-B were the first toothbrushes to go to the moon when they were aboard the Apollo 11 mission.

On average, there is about three molecules of ozone for every 10 million air molecules.

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