Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
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
A cesium atom in an atomic clock beats over nine billion times a second.
43
The sun is 330,330 times larger than the earth.
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9