One barrel of petroleum holds 42 gallons.
20
Aluminum used to be more valuable than gold!
84
One ragweed plant can release as many as one billion grains of pollen!
51
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The only letter not appearing on the Periodic Table is the letter "J".
180
Pumice is the only rock that floats on water.
14
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12