Sound travels about 4 times faster in water than in air.
408
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Billions of neutrinos pass unnoticed through your body every second.
6
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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