Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Out of all the senses, smell is most closely linked to memory.
146
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.
10
Sound travels about 4 times faster in water than in air.
408
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
Balsa wood is classified as a hard wood!
41
Each day, up to 150 species of life become extinct.
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