4.5 pounds of sunlight strike the Earth each day.
27
Most dust particles in your house are made from dead skin!
67
One cubic foot of gold weighs more than 1,200 pounds!
78
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Sound travels about 4 times faster in water than in air.
408
Most dust particles in your house come from dead skin.
48
Aluminum used to be more valuable than gold!
84