One cubic foot of gold weighs more than 1,200 pounds!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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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
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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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.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6