6 Season
40 Episode
NOVA scienceNOW - Season 3 Episode 5 Leeches; SETI; Stem Cells; Edith Widder
Leeches - A century after falling out of favor, medicinal leeches are back in hospitals, sucking away on patients' wounds. SETI - Astronomers have their radio telescopes tuned to receive signals from alien worlds. But is anybody out there? Stem Cells Breakthrough - Three separate teams overcome a biomedical hurdle—creating stem cells without the use of human embryos. Profile: Edith Widder - Meet a marine biologist and explorer who has engineered new ways to spy on deep-sea creatures.
- Year : 2012
- Country : United States of America
- Genre : Documentary, News
- Studio : PBS
- Keyword :
- Director :
- Cast : David Pogue, Ziya Tong, Peter Standring, Chad Cohen
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