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Temporada 3
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
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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.
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
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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.
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
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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.
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
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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?
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
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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.
3x6
Final da Temporada
Phoenix Mars Lander, Brain Trauma, Mammoth Mystery
Episode overview
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"
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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.
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