In zero gravity, a candle's flame is round and blue.
16
Out of all the senses, smell is most closely linked to memory.
146
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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