NOVA scienceNOW - Season 3 Episode 5 Leeches; SETI; Stem Cells; Edith Widder
- Genre : Documentary, News
- Année : 2012
- Réalisateur :
- Acteur : David Pogue, Ziya Tong, Peter Standring, Chad Cohen
- Pays : United States of America
- studio : PBS
- 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.
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