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.
Leeches; SETI; Stem Cells; Edith Widder
NOVA scienceNOW · Season 3 · Episode 5
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.
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.
Episode Details
Air date, runtime, timezone, and episode position.
Season
3
Episode
5
Air Date
23/Jul/2008
Air Time
—
Runtime
55 min
Overview
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