At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Pumice is the only rock that floats on water.
14
No matter how cold it gets, gasoline will not freeze.
107
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Out of all the senses, smell is most closely linked to memory.
146
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7