Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Sound travels about 4 times faster in water than in air.
408
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The earth is approx. 6,588,000,000,000,000,000 tons.
175