When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Liquid TIDE laundry detergent glows under a blacklight.
96
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The average temperature at 40,000 feet above sea level is -60 F.
56
One cubic foot of gold weighs more than 1,200 pounds!
78