For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
A cubic yard of air weighs about 2 pounds at sea level.
31
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The bark of an older redwood tree is fireproof.
65
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21