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Nova ScienceNow

Season 3 Episode 5: Leeches/The Search for ET/Stem Cells Breakthrough/Profile: Edith Widder

Jul 23, 2008TV-G1h 00m8.5

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?...

Season 3 Episodes:

Episode 1 Dark Matter/Alzheimer's-Memory Mice/Hany Farid/Wisdom of the Crowd

1. Dark Matter/Alzheimer's-Memory Mice/Hany Farid/Wisdom of the Crowd

Aired: Jun 25, 2008

Dark Matter - Turns out most of the universe is held together by a mysterious...

Episode 2 Personal Genome/Digital Art Authentication/Capturing Carbon/Pardis Sabeti

2. Personal Genome/Digital Art Authentication/Capturing Carbon/Pardis Sabeti

Aired: Jul 2, 2008

Personal DNA Testing - Genetic testing to assess risk factors for a handful o...

Episode 3 Hubble Repair/First Primate/Alfredo Quiñones Hinojosa/Iraqi Bacteria

3. Hubble Repair/First Primate/Alfredo Quiñones Hinojosa/Iraqi Bacteria

Aired: Jul 9, 2008

Saving Hubble - Two teams of spacewalkers take on the risky mission of revivi...

Episode 4 Finch Brains/Northern Lights/Yoky Matsuoka/Smart Bridges

4. Finch Brains/Northern Lights/Yoky Matsuoka/Smart Bridges

Aired: Jul 16, 2008

Bird Brains - Clues to the origins of human language are turning up in the br...

5. Leeches/The Search for ET/Stem Cells Breakthrough/Profile: Edith Widder

Aired: Jul 23, 2008

Leeches - A century after falling out of favor, medicinal leeches are back in...

Episode 6 Phoenix Mars Mission/Brain Trauma/Mammoth Mystery/Judah Folkman Tribute

6. Phoenix Mars Mission/Brain Trauma/Mammoth Mystery/Judah Folkman Tribute

Aired: Jul 30, 2008

Phoenix Mars Lander - NASA's latest robot has already found frozen water and ...

Episode 7 Aging, Space Elevator, Maya from Space

7. Aging, Space Elevator, Maya from Space

Aired: Aug 6, 2008

Aging - Will research into "longevity genes" help us live longer and healthie...

Episode 8 Mass Extinction, 1918 Flu, Papyrus

8. Mass Extinction, 1918 Flu, Papyrus

Aired: Aug 13, 2008

Mass Extinction - What caused the mother of all extinctions 250 million years...

Episode 9 Asteroid, Island of Stability, Karl Iagnemma

9. Asteroid, Island of Stability, Karl Iagnemma

Aired: Aug 20, 2008

Asteroid - Will a doomsday rock the size of the Rose Bowl hit Earth in 2036? ...

Episode 10 T-Rex Blood, Epigenetics, Kryptos

10. T-Rex Blood, Epigenetics, Kryptos

Aired: Aug 20, 2008

T-Rex Blood? - Preserved soft tissue, including possible blood vessels and re...

Main Cast

Neil deGrasse TysonHost

Appearances

Ziya Tong

Peter Standring

Peter Standring

Chad Cohen

Creators

Julia Cort

Julia CortDirector

Info about Nova ScienceNow

Seasons: 6

Current Status: Ended

Network: PBS

Production Country: United States

Genres:Documentary