One cubic foot of gold weighs more than 1,200 pounds!
78
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Sound travels about 4 times faster in water than in air.
408
Research indicates that plants grow healthier when they are stroked.
173
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17