Sound travels about 4 times faster in water than in air.
408
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
German chemists made a replica of a trophy the size of one molecule.
68
One ragweed plant can release as many as one billion grains of pollen!
51
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Liquid TIDE laundry detergent glows under a blacklight.
96
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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