Terry Cavanagh @terrycavanagh·May 4, 2012Found myself curious about why cats purr, so I looked it up. Apparently it's something to do with regenerating bones: http://scientificamerican.com/article.cfm?id=why-do-cats-purr…465
Brendan Zabarauskas@brendanzabReplying to @terrycavanagh@terrycavanagh I wonder if they'll start teaching astronauts to purr.12:36 AM · May 5, 2012·Twitter for Mac