The average sperm cell swims at 8 inches per hour.
76
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The average person's skin weighs twice as much as their brain.
131
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
In one day, adult lungs move about 10,000 litres of air.
11
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
If you hold farts in during the day, they'll just come out when you sleep.
16