Evidence of Life on Venus Guest: Sara Seager, Professor of Planetary Science and Physics, Massachusetts Institute of Technology There is possible evidence of microbial life sent back from Venus' clouds. Find out what scientists are looking for in the search for life on other planets, in our galaxy and beyond. Biological Treasures of a Lost City Guest: Trond Larsen, Director of the Rapid Assessment Program at Conservation International A lost city, an impenetrable rainforest, species never before seen by science—no, this is not the plot of the next Indiana Jones, but the story of Trond Larsen and Conservation International’s expedition to the Mosquitia Rainforest.