The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Each day, up to 150 species of life become extinct.
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If the chemical sodium is dropped into water it will immediately and violently explode.
67
Iron weighs more after it rusts.
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
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