A typical lead pencil can draw a line that is 35 miles long.
158
Caffeine boosts memory.
405
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The face of a penny can hold about thirty drops of water.
85
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
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.
479
The best diamonds are colored blue-white.
80
In the White House, there are 13,092 knives, forks and spoons!
51