Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound at the right vibration can bore holes through a solid object.
134
Balsa wood is classified as a hard wood!
41
The average home creates more pollution than does the average car.
33
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Iron weighs more after it rusts.
68
The storage capacity of human brain exceeds 4 Terrabytes.
140
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7