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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Diamonds can be shattered with a hammer.
-104
The only letter not appearing on the Periodic Table is the letter "J".
180
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The average temperature at 40,000 feet above sea level is -60 F.
56