Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One cubic foot of gold weighs more than 1,200 pounds!
78
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
Pure water (H2O) does not conduct electricity on its own.
46
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Most dust particles in your house are made from dead skin!
67