Season 32, Episode 17 Nova scienceNOW
First Aired: April 19, 2005
A primer on stem-cell research; and a profile of nanotechnologist Naomi Halas, who describes the potential of her work in treating tumors. (She also talks about how she navigates her male-dominated field.) Also: a homo sapiens predecessor that shared an Indonesian island with modern humans just 13,000 years ago; frogs that freeze themselves in winter and thaw in spring; the T. Rex lifespan and growth rate.
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- Premiered: March 3, 1974
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- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)