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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A cesium atom in an atomic clock beats over nine billion times a second.
43
Cold water weighs more than hot water.
93
Pure water (H2O) does not conduct electricity on its own.
46
One cubic foot of gold weighs more than 1,200 pounds!
78
Out of all the senses, smell is most closely linked to memory.
146