NOVA programs on VHS or DVD can be ordered through WGBH, the Boston public television station that produces NOVA. Some NOVA programs are not for sale because the rights are not available. Go to ...
NOVA: What did Watson actually get out of Photo 51 beyond the idea that the "X" signified a helix? NOVA: What about the idea that the sugar-phosphate groups were on the outside? Did Watson get ...
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