The average home creates more pollution than does the average car.
33
Sound at the right vibration can bore holes through a solid object.
134
Pumice is the only rock that floats on water.
14
Aluminum used to be more valuable than gold!
84
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The smell of freshly cut grass is actually a plant distress call.
31
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In zero gravity, a candle's flame is round and blue.
16