Animals:
- Octopuses have three hearts.
- Bats are the only mammals capable of flying.
- Kangaroos can't walk backward.
- Polar bears have black skin under their white fur.
- Butterflies taste with their feet.
Science and Nature:
- Honey never spoils, and edible honey has been found in ancient Egyptian tombs.
- Bananas are considered berries, while strawberries are not.
- The Earth's rotation is slowing down, causing days to get longer.
- Lightning is hotter than the surface of the Sun.
- A cloud can weigh over a million pounds.
History and Culture:
- Competitive art was an Olympic sport from 1912 to 1948.
Human Body:
- Your nose can recognize over a trillion different scents.