Out of all the senses, smell is most closely linked to memory.
146
Most dust particles in your house are made from dead skin!
67
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Nylon is made from coal and petroleum.
42
If the chemical sodium is dropped into water it will immediately and violently explode.
67
For every gallon of sea water, you get more than a quarter pound of salt.
45