The earth is approx. 6,588,000,000,000,000,000 tons.
175
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Research indicates that plants grow healthier when they are stroked.
173
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Diamonds can be shattered with a hammer.
-104
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One cubic foot of gold weighs more than 1,200 pounds!
78
One 75-watt bulb gives more light than three 25-watt bulbs.
57