One 75-watt bulb gives more light than three 25-watt bulbs.
57
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists aren't sure what color dinosaurs were.
312
Diamonds can be shattered with a hammer.
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