Out of all the senses, smell is most closely linked to memory.
146
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Pumice is the only rock that floats on water.
14
Scientists aren't sure what color dinosaurs were.
312
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
Iron weighs more after it rusts.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101