Balsa wood is classified as a hard wood!
41
The force of a suction cup is calculated using F=AP.
15
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Indoor pollution is 10 times more toxic than outdoor pollution.
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The bark of an older redwood tree is fireproof.
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