Playlist: NOVA's Portfolio
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NOVA Minute: How Earth Got Its Water
From NOVA | Part of the NOVA Minute series | 01:29
Planetary scientist Geoff Marcy describes how the Earth got just the right amount of water to support life.
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NOVA Minute: How Earth Got Its Water
From NOVA | Part of the NOVA Minute series | 01:29
Planetary scientist Geoff Marcy describes how the Earth got just the right amount of water to support life.
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NOVA Minute: Diamond Electronics
From NOVA | Part of the NOVA Minute series | 01:17
Materials scientist Stephen Steiner says that high-speed computers in the future might run on man-made diamonds instead of silicon.
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Materials scientist Stephen Steiner says that high-speed computers in the future might run on man-made diamonds instead of silicon.
NOVA Minute: Speaking Ancient Maya
From NOVA | Part of the NOVA Minute series | 01:27
Anthropologist Barbara McLeod explains how she learned to speak ancient Maya.
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Anthropologist Barbara McLeod explains how she learned to speak ancient Maya.
NOVA Minute: Leeches
From NOVA | Part of the NOVA Minute series | 01:14
Leech expert Mark Siddall explains why leeches can survive on nothing but blood.
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Leech expert Mark Siddall explains why leeches can survive on nothing but blood.
NOVA Minute: Diving in Underwater Caves
From NOVA | Part of the NOVA Minute series | 01:29
Anthropologist and explorer Kenny Broad studies some of the world's most dangerous places—underwater caves called "Blue Holes."
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- NOVA Minute: Diving in Underwater Caves
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Anthropologist and explorer Kenny Broad studies some of the world's most dangerous places—underwater caves called "Blue Holes."
NOVA Minute: Loneliness in Space
From NOVA | Part of the NOVA Minute series | 01:28
NASA psychologist Al Holland describes the mental challenges astronauts might face during a 3-year mission to Mars.
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- NOVA Minute: Loneliness in Space
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NASA psychologist Al Holland describes the mental challenges astronauts might face during a 3-year mission to Mars.
NOVA Minute: Humans and Mass Extinction
From NOVA | Part of the NOVA Minute series | 01:29
Sam Bowring studies mass extinctions in the Earth's past. He says humans might not be around much longer... geologically speaking.
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- NOVA Minute: Humans and Mass Extinction
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Sam Bowring studies mass extinctions in the Earth's past. He says humans might not be around much longer... geologically speaking.
NOVA Minute: Social Robots
From NOVA | Part of the NOVA Minute series | 01:21
Roboticist Cynthia Brazeal makes robots that interact socially with humans—taking cues from people's voices, facial expressions, and body language. She says that one day, we might interact with them the same way we do with our pets and even our friends.
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- NOVA Minute: Social Robots
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Roboticist Cynthia Brazeal makes robots that interact socially with humans—taking cues from people's voices, facial expressions, and body language. She says that one day, we might interact with them the same way we do with our pets and even our friends.
NOVA Minute: Studying Mt. St. Helens
From NOVA | Part of the NOVA Minute series | 01:12
Ecologist Charlie Crisafulli explains how being at Mt. St. Helens when it erupted completely changed the course of his career.
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- NOVA Minute: Studying Mt. St. Helens
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Ecologist Charlie Crisafulli explains how being at Mt. St. Helens when it erupted completely changed the course of his career.
NOVA Minute: The Art of Archaeology
From NOVA | Part of the NOVA Minute series | 01:16
Archaeologist Mark Lehner says that his field is really about the art of observation.
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- NOVA Minute: The Art of Archaeology
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Archaeologist Mark Lehner says that his field is really about the art of observation.
NOVA Minute: A Freaked-Out Physicist
From NOVA | Part of the NOVA Minute series | 01:29
Astrophysicist Neil deGrasse Tyson says that when scientist Ernest Rutherford discovered that atoms were made mostly of empty space, he was afraid to get out of bed for fear he'd fall through the floorboards.
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- NOVA Minute: A Freaked-Out Physicist
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Astrophysicist Neil deGrasse Tyson says that when scientist Ernest Rutherford discovered that atoms were made mostly of empty space, he was afraid to get out of bed for fear he'd fall through the floorboards.
NOVA Minute: The Legacy of Hubble
From NOVA | Part of the NOVA Minute series | 01:24
Astronomer and astronaut John Grunsfeld explains why the Hubble Space Telescope will have a lasting legacy.
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- NOVA Minute: The Legacy of Hubble
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Astronomer and astronaut John Grunsfeld explains why the Hubble Space Telescope will have a lasting legacy.
NOVA Minute: The Star Trek Test
From NOVA | Part of the NOVA Minute series | 01:27
Planetary scientist Alan Stern thinks that when astronomers decide what is or isn't a planet, the criteria should be simple.
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- NOVA Minute: The Star Trek Test
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Planetary scientist Alan Stern thinks that when astronomers decide what is or isn't a planet, the criteria should be simple.
NOVA Minute: Triggering Earthquakes
From NOVA | Part of the NOVA Minute series | 01:10
Geologist Chris Goldfinger explains how one earthquake can trigger others in a giant chain reaction.
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- NOVA Minute: Triggering Earthquakes
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Geologist Chris Goldfinger explains how one earthquake can trigger others in a giant chain reaction.
NOVA Minute: How to Speak Walrus
From NOVA | Part of the NOVA Minute series | 01:30
Marine biologist Colleen Reichmuth works with walruses. She says that, like dolphins, they can communicate using an amazing variety of sounds.
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- NOVA Minute: How to Speak Walrus
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Marine biologist Colleen Reichmuth works with walruses. She says that, like dolphins, they can communicate using an amazing variety of sounds.