A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One ragweed plant can release as many as one billion grains of pollen!
51
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One cubic foot of gold weighs more than 1,200 pounds!
78
Research indicates that plants grow healthier when they are stroked.
173
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Iron weighs more after it rusts.
68
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5