One cubic foot of gold weighs more than 1,200 pounds!
78
Your brain is 80% water.
525
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
German chemists made a replica of a trophy the size of one molecule.
68
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
One ragweed plant can release as many as one billion grains of pollen!
51
The earth is approx. 6,588,000,000,000,000,000 tons.
175
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17