The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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.
6
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Your brain is 80% water.
525
A cesium atom in an atomic clock beats over nine billion times a second.
43
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15