NBC's Our Planet series profiled the latest course on campus. Sustainability 101 at Arizona State University attracts students who want to be green to go beyond biology to include architecture, engineering and urban planning. Anne Thompson told us that the environmentally-conscious course uses the "Phoenix area as a natural laboratory--a growing population, a limited water supply, an abundant natural resource. The sun"…CBS' John Blackstone chose windswept Antarctica. The research base has a newly-arrived dentist. Fleet Ratliff decided to announce his presence by making himself instantly recognizable. Hence the polar bow tie. Ratliff needed a full physical workup before leaving on his four-month stint. The colonoscopy saved his life…savepolaroid.com is the Website founded by instant photography fanatics to try to persuade some chemical company to continue manufacture of the film stock following Polaroid's decision to discontinue its 61-year-old invention. ABC's John Berman evoked that babyboomer nostalgia: "Nothing will ever be like that sound, that smell, that moment."

