At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
German chemists made a replica of a trophy the size of one molecule.
68
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One cubic foot of gold weighs more than 1,200 pounds!
78
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Most dust particles in your house are made from dead skin!
67
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