The average home creates more pollution than does the average car.
33
The smell of freshly cut grass is actually a plant distress call.
31
Iron weighs more after it rusts.
16
German chemists made a replica of a trophy the size of one molecule.
68
The force of a suction cup is calculated using F=AP.
15
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
In zero gravity, a candle's flame is round and blue.
16
Sound at the right vibration can bore holes through a solid object.
134