The earth is approx. 6,588,000,000,000,000,000 tons.
175
Sound travels fifteen times faster through steel than through air.
134
The bark of an older redwood tree is fireproof.
65
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Sound travels about 4 times faster in water than in air.
408