Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
68
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
The smell of freshly cut grass is actually a plant distress call.
31
Diamonds can be shattered with a hammer.
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