- Recycling one glass jar saves enough energy to watch TV for 3 hours.
- The fingerprints of koala bear are indistinguishable to that of a human.
- The hardest substance in the human body is enamel.
- The smallest ten prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.
- In 2015, the Oxford word of the year was the tears of joy emoji.
- New York's Central Park was opened in 1876.
- 59% of people say that they're average looking.
- Bull's can run faster uphill than down.
- A crocodile can't stick out its tongue.
- John Kellogg invented corn flakes.
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