Almost 90% of American households use air conditioning, and 66% of that is central AC. The regions with the most AC use are the Midwest and South, according to the U.S. Energy Information ...

This week's question comes from Morning Brief reader Robert, who asks, "Do tornadoes rotate clockwise or counterclockwise?

BECAUSE of the effect of the Earth's rotation, an athlete running anti-clockwise will have a slight advantage, resulting in a faster time. In the Southern Hemisphere, this effect is reversed but, as ...