They are seemingly the most popular thing on the Internet, the subject of millions of videos and hundreds of memes: cats. Now we've got answers to some of the biggest kitty questions out there: Why does catnip make most cats go crazy? How does kitty litter clump? And what does it mean when your cat rubs against your leg? It all comes down to some key "meow-lecules"... Check out the Compound Interest's excellent infographic on catnip here: http://www.compoundchem.com/2014/06/0...
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