A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists aren't sure what color dinosaurs were.
312
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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Research indicates that plants grow healthier when they are stroked.
173
Your brain is 80% water.
525
Neanderthal man had a brain capacity 100cc larger than modern man's.
50