Social Media National Zoo brings panda procedure to life on Twitter Looking for new ways to tell its annual story of impregnating an adult panda, the zoo brought people closer than ever before. By Matt WilsonMay 14, 2012 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.