4.5 pounds of sunlight strike the Earth each day.
27
A cubic yard of air weighs about 2 pounds at sea level.
31
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Indoor pollution is 10 times more toxic than outdoor pollution.
62