The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists aren't sure what color dinosaurs were.
312
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12