Banging your head against a wall uses 150 calories an hour.
57
Chocolate, sex, and laughter are all important for a healthy brain.
37
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Panophobia is the fear of everything.
52
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Your heart will pump about 212 million liters in its lifetime.
26