Balsa wood is classified as a hard wood!
41
The average home creates more pollution than does the average car.
33
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Pure water (H2O) does not conduct electricity on its own.
46
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9