The Smithsonian National Zoo in Washington, D.C. recently launched a hashtag that became a trending topic on Twitter. Was it another escaped animal (that might even start its own Twitter account a la @BronxZoosCobra)? Nope – this time the object of Twitter fascination was the artificial insemination of Mei Xiang, a 13 year-old panda, shared through #pandaAI. Read →