A cesium atom in an atomic clock beats over nine billion times a second.
43
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Most dust particles in your house are made from dead skin!
67
Billions of neutrinos pass unnoticed through your body every second.
6
The average home creates more pollution than does the average car.
33
Scientists in Germany have developed a candy that doesn't cause cavities.
11
