Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A cubic yard of air weighs about 2 pounds at sea level.
31
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Nearly 50% of the world's scientists are assigned to military projects.
71
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108