The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
A typical lead pencil can draw a line that is 35 miles long.
158
The streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78
Your fingernails grow faster in summer.
744
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
If the human eye was a digital camera, it would have 576 megapixels.
25
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105