- More people study English in China than speak it in the United States of America (300 million).
- It is physically impossible for pigs to look up into the sky.
- Bullet proof vests, fire escapes, windshield wipers and laser printers were all invented by women.
- In space, astronauts cannot cry, because there is no gravity, so the tears can't flow.
- Ants stretch when they wake up in the morning.
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