Cold water weighs more than hot water.
93
The only letter not appearing on the Periodic Table is the letter "J".
180
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Sound travels fifteen times faster through steel than through air.
134
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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
One 75-watt bulb gives more light than three 25-watt bulbs.
57