To Do Science & Society Monster fish, forensics and space exploration on display BIG FISH This sculpture greets visitors at a National Geographic exhibit about finding and protecting the world’s largest freshwater fish. Mark Thiessen/National Geographic Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News Staff August 12, 2015 at 6:00 am O Columbia September 23–24, 2015 A new chamber opera places space travel in the context of American exploration, tragedy and perseverance. Houston Grand Opera Loop, Arch or Whorl Ongoing The forensic science exhibit is the latest hands-on activity at a museum that calls itself an amusement park for the mind. WonderWorks, Pigeon Forge, Tenn. Monster Fish: In Search of the Last River Giants Through October 11, 2015 Life-size sculptures of freshwater fish up to 6 meters long dot an exhibit that also features (smaller) live fish in aquariums. National Geographic Museum, Washington, D.C.