NOVA scienceNOW - Season 3
Season 3
DatesJun 25, 2008 - Jul 30, 2008
Episodes
Season 3Episode 155 min
Dark Matter, of Mice and Memory
Dark Matter - Turns out most of the universe is held together by a mysterious, invisible substance.
Of Mice and Memory - Mice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's.
Profile: Hany Farid - This self-proclaimed "accidental scientist" is a digital detective inventing new ways to tell if photos have been faked.
Wisdom of the Crowds - Ask enough people to estimate something, and their combined guesses will get you surprisingly close to the right answer.
Jun 25, 2008
Season 3Episode 255 min
Personal DNA Testing, Art Authentication, Capturing Carbon
Personal DNA Testing - Genetic testing to assess risk factors for a handful of serious illnesses is now commercially available. But is it a good idea?
Art Authentication - See how clever computer algorithms can distinguish a master fake from a masterpiece.
Capturing Carbon - An eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.
Profile: Pardis Sabeti - By night she's a rocker. By day, she's a Harvard geneticist tracking the evolution of the human genome.
Jul 2, 2008
Season 3Episode 355 min
Saving Hubble, First Primates
Saving Hubble - Two teams of spacewalkers take on the risky mission of reviving the ailing Space Telescope.
First Primates - Our most distant primate ancestors, which lived about 55 million years ago, were tree-dwellers the size of mice.
Profile: Alfredo Quiñones-Hinojosa -
He jumped the fence from Mexico to work as a farmhand and ended up a leading brain surgeon.
Killer Microbe - A relatively benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.
Jul 9, 2008
Season 3Episode 455 min
Bird Brains, Space Storms
Bird Brains - Clues to the origins of human language are turning up in the brains of birds.
Space Storms - Behind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.
Profile: Yoky Matsuoka - A former tennis prodigy aims to create advanced prosthetic limbs controlled by human thought.
Smart Bridges - Can we engineer bridges that tell us what's wrong with them before it's too late?
Jul 16, 2008
Season 3Episode 555 min
Leeches, The Search for ET, Stem Cells Breakthrough
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.
Jul 23, 2008
Season 3Episode 655 min
Phoenix Mars Lander, Brain Trauma, Mammoth Mystery
Phoenix Mars Lander - NASA's latest robot has already found frozen water and is looking for more signs that the Red Planet could support life.
Brain Trauma - Even so-called "mild" head injuries turn out to be anything but.
Mammoth Mystery - A pair of mammoth skeletons is found locked together by their tusks. What happened?
Profile: Judah Folkman - Once scorned for his ideas about how cancer grows, the late Judah Folkman is now hailed as a visionary.
Jul 30, 2008
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