Fun Facts: Astronauts can't whistle through their spacesuits
Did you know that sound doesn't travel in space, and that 10,000 human cells can fit on the space of a pin head? Learn more with our fun facts of the day!
Did you know that sound doesn't travel in space, and that 10,000 human cells can fit on the space of a pin head? Learn more with our fun facts of the day!
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