…been throughout pre history history, the impact of these things. And I want to pass around some exhibits, which are drawings that Cath made, looking at photographs of rock paintings in central Africa that seem to be primary pieces of evidence in a new way…

…be dedicated to the preservation of plants with medical significance and significance to the human family. And that credit all goes to Cath. So let's hear it for her. You all know that the rainforests of the world are disappearing at a tragic rate. And…