Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound at the right vibration can bore holes through a solid object.
134
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
A ball of glass will bounce higher than a ball made of rubber.
73
Research indicates that plants grow healthier when they are stroked.
173
A cubic yard of air weighs about 2 pounds at sea level.
31
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118