4.5 pounds of sunlight strike the Earth each day.
27
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The average temperature at 40,000 feet above sea level is -60 F.
56
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
If the chemical sodium is dropped into water it will immediately and violently explode.
67