Your brain is 80% water.
525
Nylon is made from coal and petroleum.
42
Cold water weighs more than hot water.
93
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79