/tags/dr-valerie-pence Dr. Valerie Pence en-US Copyright Mon, 15 Oct 2012 08:00:00 GMT /environment/2012-10-15/sampling-the-cincinnati-zoos-frozen-garden The Cincinnati Zoo will begin a massive project later this year. It plans to assess the health of all of its rare plant species stored in liquid nitrogen.… Mon, 15 Oct 2012 08:00:00 GMT /environment/2012-10-15/sampling-the-cincinnati-zoos-frozen-garden Ann Thompson