Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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
Diamonds can be shattered with a hammer.
-104
Pure water (H2O) does not conduct electricity on its own.
46
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 cubic yard of air weighs about 2 pounds at sea level.
31