Out of all the senses, smell is most closely linked to memory.
146
Hot water can freeze faster than cold water.
181
Pumice is the only rock that floats on water.
14
Diamonds can be shattered with a hammer.
-104
The average home creates more pollution than does the average car.
33
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Sound travels fifteen times faster through steel than through air.
134