Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5