1. The sun makes up more than 99% of the mass of the solar system.
2. Humans can distinguish between at least a trillion smells.
3. Almost every element in your body was made in an exploding star.
4. An asteroid in our solar system has rings, like Saturn.
5. There might be another Earth-sized planet in the outer solar system.
6. A narwhal’s tusk is filled with nerves.
7. Each of a tarsier’s eyeballs is as big as its brain.
8. If you shuffle a pack of cards properly, chances are that exact order has never been seen before in the whole history of the universe.
9. Adults have fewer bones than a baby.
10. Humans can’t breathe and swallow at the same time.