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All our educational materials are free online for anyone to access. We also ship DVDs to educators in North America (Canada, Mexico, the U.S., and its territories).
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Scientists are unraveling the mechanisms that dictate how the brain and body regulate weight. In four presentations, Dr. Ronald M. Evans and Dr. Jeffrey M. Friedman discuss what the latest advances in genetic and molecular research tell us about why some people are hefty while others are lean....
RNA can be much more than a passive transmitter of genetic information. It can also act as an enzyme that directly participates in cellular biochemistry. In four lectures, Dr. Thomas R. Cech tells the story of the discovery of RNA catalysis—research that led to his receiving the 1989 Nobel Prize in...