4.5 pounds of sunlight strike the Earth each day.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The only letter not appearing on the Periodic Table is the letter "J".
180
Balsa wood is classified as a hard wood!
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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.
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