In this episode, Mark Twain scholar Michael Pratt from Elmira College talks about Twain's paleontological activities and his general interest in science and technology. And host Steve Mirsky reads from a Twain essay rebutting some anthropocentric views of Alfred Russel Wallace and a Twain short article published in Scientific American in 1870. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include;