Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The bark of an older redwood tree is fireproof.
65
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 most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
One barrel of petroleum holds 42 gallons.
20
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17