Chewing gum boosts your brain power.
285
Enamel is hardest substance in the human body.
61
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Your thumb is about the same size as your nose.
124