Pumice is the only rock that floats on water.
14
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Sound travels about 4 times faster in water than in air.
408
Nylon is made from coal and petroleum.
42
Sound travels fifteen times faster through steel than through air.
134
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The storage capacity of human brain exceeds 4 Terrabytes.
140