THE SCIENCE BEHIND. . . Michael Jeffords Sept. 14 John Taft Sept. 21 Joyce Hofmann Sept. 28 Ken Robertson Oct. 5 Don Luman Oct. 12 Sarah Wisseman Oct. 19 John Marlin Oct. 26 David Enstrom Nov. 2 David Enstrom – “The Science behind Displays of Birds: Costume, Song, and Dance” – Dr. Enstrom has worked on the evolution of color patterns and song in birds. Joyce E. Hoffmann – “The Science behind the Natural History and Conservation of Bats” – Dr. Hoffmann’s work at the Natural History Survey has focused on the distribution and natural history of the mammals of Illinois, including endangered and threatened species. Michael Jeffords – “The Science behind Mimicry in Insects” – Dr. Jeffords is an entomologist, freelance photographer, writer, and educator focused primarily on the issue of biodiversity. Donald Luman – “The Science behind Remote Sensing: Revealing Illinois’ Hidden Landscapes Using Light Detection and Ranging (LiDAR) Technology” – Dr. Luman is a specialist in the use of satellite and aerial photography for natural resource applications. John Marlin – “The Science behind Encouraging Native Bees and Some Other Pollinators” – Dr. Marlin studies native bees in Carlinville, Illinois over long periods of time, and has devoted his research to various conservation issues. Ken Robertson – “The Science behind the Structure of Flowers: An Evolutionary Perspective” – Dr. Robertson has spent many years conducting field research in the natural areas of Illinois, especially prairies. John Taft – “The Science behind Botanical Habitat Assessment” – Dr. Taft’s research has focused primarily on the influence of environmental interactions and management of native plant communities through ecological restoration and biological conservation. Sarah Wisseman – “The Science behind Art Forgery Detection” – Dr. Wisseman’s primary research areas are the science of Egyptian mummies, ceramic technology, experimental archaeology, and archaeometry. She has taught numerous well-received OLLI courses and currently serves on the OLLI Board.