In Japan, condoms are commonly sold 'door to door'!
54
When a person dies, hearing is usually the last sense to go.
124
25% of your bones are located in your feet.
12
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Every hour one billion cells in the body must be replaced.
17
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193