According to studies, men change their minds two to three times more often than women.
72
Sound at the right vibration can bore holes through a solid object.
134
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Each day, up to 150 species of life become extinct.
-23