The average home creates more pollution than does the average car.
33
Liquid TIDE laundry detergent glows under a blacklight.
96
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A cesium atom in an atomic clock beats over nine billion times a second.
43