. . "Ethics, Medical." . . "Embryonic Structures." . . "HIV." . . "Catches creepy crawlers in the act of hiding in your closet and lurking in your bed, then magnifies them to monster size."@en . "Educational films"@en . "Videocassettes" . . . . "Looks at the world of microorganisms which are very much present but unknown to us because of their tiny size."@en . . . "Nature television programs"@en . "Odyssey of life. The unknown world"@en . "Video recordings for the hearing impaired"@en . "Featuring the work of famed microcinematographer Lennart Nilsson, The unknown world reveals the varieties of microorganisms that exist undetected in the daily lives of humans."@en . . "Popular works"@en . . . "The unknown world"@en . . "The unknown world" . "Unknown world"@en . "Television programs for the hearing impaired"@en . . . . . . . . . . . . "The work of the photographer Lennart Nilsson, famous for his cinemicrography and time-lapse film of embryology in humans and animals. The series provides an over-view of the full range of his work, with Nilsson's own commentary and explanation. \"Part 3: Lennart Nilsson the Photographer\" Lennart Nilsson shows how he carries out his endoscopic filming, discusses ethical and aesthetic aspects of his work and shows time-lapse film of the HIV virus." . . "Nova"@en . "Science television programs"@en . "Biographies" . . . . . . . "Films for the hearing impaired"@en . . "Investigates the unknown world of the living organisms with close-up, never-before-seen look at the microscopic creatures that are part of our everyday life. Shows ladybugs chasing aphids, larvae taking on a piece of clothing and silverfish making their way through a home." . . . . . . "The Unknow World catches creepy crawlers in the act of hiding in your closet and lurking in your bed, then magnifies them to monster size." . . . "Nova (Television program)" . . . . . . . "The Unknown world" . . . "Video (DVD)" . "Documentary television programs"@en . "Documentary television programs" . . . . "Nonfiction television programs"@en . . .