4.5 pounds of sunlight strike the Earth each day.
27
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Nylon is made from coal and petroleum.
42
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118