At room temperature, the average air molecule travels at the speed of a rifle bullet.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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In zero gravity, a candle's flame is round and blue.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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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.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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