It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Research indicates that plants grow healthier when they are stroked.
173
Sound travels about 4 times faster in water than in air.
408
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The sun is 330,330 times larger than the earth.
75
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
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