The bark of an older redwood tree is fireproof.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One cubic foot of gold weighs more than 1,200 pounds!
78
4.5 pounds of sunlight strike the Earth each day.
27
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199