Indoor pollution is 10 times more toxic than outdoor pollution.
62
Most dust particles in your house come from dead skin.
48
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
According to studies, men change their minds two to three times more often than women.
72
Balsa wood is classified as a hard wood!
41
A ball of glass will bounce higher than a ball made of rubber.
73