Can Animals Laugh? ebaum Published 04/15/2007 This test on rats has some pretty conclusive (and cute) results. This browser does not support the video element. 15 330,588 Views 259 Comments 36 Favorites Advertisement Tags: rats animals Next Show Comments Next on eBaum's No Articles Found No Articles Found Sorry, we were unable to load more articles Try Again! Congratulations! You've reached the end of the never-ending list. {{title}}
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