Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Human teeth are almost as hard as rocks!
47
In one day, adult lungs move about 10,000 litres of air.
11
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Every time you sneeze some of your brain cells die.
113
From the age of thirty, humans gradually begin to shrink in size.
1
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269