A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Pumice is the only rock that floats on water.
14
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
Iron weighs more after it rusts.
68
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7