A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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
German chemists made a replica of a trophy the size of one molecule.
68