The IgNobel Prizes are given annually for curious, weird, and usually interesting works in science and other disciplines. 2013's prizes were awarded went to authors of papers such as "Are Cows More Likely to Lie Down the Longer They Stand?" (for "Probability") and "'Beauty Is in the Eye of the Beer Holder': People Who Think They Are Drunk Also Think They Are Attractive" (for "Psychology").
The Peace Prize was awarded to the President of Belarus, Alexander Lukashenko. A couple of years ago, he made it illegal to do something in public. The prize was also given to the Belarus State Police, who arrested a one-armed man for doing that very thing the President had banned.
What had been banned?
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Applause (Don't put your hands together for this answer) - this happened in 2011, because people seemed to using it as a form of protest. Here's
the winners list, and
here's an article about this applause bit.