Couples' personalities converge over time to make partners more and more similar.
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
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.
A real estate agent's rule of thumb: To estimate what a house will sell for, ask the owner what its worth and subtract 10%.
More than 6,000 people with pillow-related injuries check into U.S. emergency rooms every year!
In 21 U.S. states, WALMART is the single largest employer.