Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound travels fifteen times faster through steel than through air.
134
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The sun is 330,330 times larger than the earth.
75
Most dust particles in your house come from dead skin.
48
Scientists aren't sure what color dinosaurs were.
312
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118