A cesium atom in an atomic clock beats over nine billion times a second.
43
Sound travels about 4 times faster in water than in air.
408
A ball of glass will bounce higher than a ball made of rubber.
73
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20