→Subscribe for new videos every day! →“go bad” you mean that the banana peel gets incredibly grotesque looking, then this is true. However, if you mean that the inside gets all mushy and tastes awful, a-la extreme over ripeness, or the old wives’ tale that bananas in the refrigerator will produce poison gas or other toxins, neither of these are correct. Despite the fact that the banana peel will turn dark brown, making it appear “bad”, the part you eat inside actually stays quite good in the refrigerator. Want the text version?: http://www.todayifoundout.com/index.php/2012/08/why-do-bananas-go-bad-faster-in-the-refridgerator/ Sources: http://www.straightdope.com/columns/read/1412/if-you-refrigerate-bananas-do-they-become-poisonous http://www.wikihow.com/Stop-Bananas-from-Going-Black-in-the-Fridge http://www.chiquitabananas.com/Banana-Information/selecting-handling-ripening-bananas.aspx http://en.wikipedia.org/wiki/Ethylene http://www.biologie.uni-hamburg.de/b-online/e31/31g.htm http://chemistry.about.com/od/chemistryexperiments/ss/ethyleneexp.htm http://www.livestrong.com/article/271370-names-of-fruits-vegetables-that-spoil-quickly/ http://www.dole.com/NutritionInstituteLanding/Foodfacts/tabid/998/Default.aspx http://en.wikipedia.org/wiki/Polyphenol http://en.wikipedia.org/wiki/File:Bananas.jpg