The first day of fall is here and here are 5 things you probably didn't know
(CNN) -- Yes, the season for chunky scarves, pumpkin-spiced everything and fantasy football is upon us. Fall, autumn, harvest season -- whatever you call it -- starts Saturday, September 22, in the Northern Hemisphere. Here are some interesting things to know about the season:
1. Fall isn't caused by the Earth's distance from the sun
That's right. The Earth's distance from the sun at any given point doesn't determine whether you'll be sweating out your white tee or shivering in y...