Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Each day, up to 150 species of life become extinct.
-23
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
One barrel of petroleum holds 42 gallons.
20
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18