Pumice is the only rock that floats on water.
14
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The smell of freshly cut grass is actually a plant distress call.
31
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Aluminum used to be more valuable than gold!
84
Your brain is 80% water.
525
The earth is approx. 6,588,000,000,000,000,000 tons.
175