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
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
Out of all the senses, smell is most closely linked to memory.
146
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
For every gallon of sea water, you get more than a quarter pound of salt.
45