A cubic yard of air weighs about 2 pounds at sea level.
31
According to studies, men change their minds two to three times more often than women.
72
Most dust particles in your house are made from dead skin!
67
Out of all the senses, smell is most closely linked to memory.
146
German chemists made a replica of a trophy the size of one molecule.
68
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117