Scientists observe dogs relieving themselves, discover something amazing - CSMonitor.com

http://m.csmonitor.com/Science/2014/0102/Scientists-observe-dogs-relieving-themselves-discover-something-amazing?utm_source=Sailthru&utm_medium=email&utm_term=Daily&utm_campaign=20140102_Newsletter%3ADaily_Sailthru&cmpid=ema%3Anws%3ADaily%2520Newsletter%2520%2801-02-2014%29