The storage capacity of human brain exceeds 4 Terrabytes.
140
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
Sound travels about 4 times faster in water than in air.
408
4.5 pounds of sunlight strike the Earth each day.
27
A cesium atom in an atomic clock beats over nine billion times a second.
43