On Sunday, November 4 at 2 a.m, clocks in U.S were set back by an hour as Daylight Savings came to an end. What is DST? Who first proposed the idea? Is it practiced around the world? Let's take a look in this video. [0:37]

Un-boiling eggs, slippery bananas, and painful insect stings have been award-winning topics at the Ig Nobel ceremonies over the last few years. An Ig prize makes people laugh first, then think.