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Profile: Erich Jarvis
5:37
Profile: Erich Jarvis
Meet Erich Jarvis, a scientist studying vocal-learning in mice and songbirds.
Can Bones Reveal How Dogs Evolved from Wolves?
5:12
Can Bones Reveal How Dogs Evolved from Wolves?
Learn more about the evolution of our furry companions.
Are Cats More Expressive Than We Think?
2:51
Are Cats More Expressive Than We Think?
Why it’s so hard to tell what your cat is thinking.
Early Earth Bombarded By Comets
5:10
Early Earth Bombarded By Comets
Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
An Interview with Sally Ride
15:46
An Interview with Sally Ride
Watch an uncut interview with the late astronaut, conducted at NASA in 1984.
Hunting Planets
4:40
Hunting Planets
NASA’s Kepler mission lets us search for planets orbiting stars outside our solar system.
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3:59
The Amazing Atomic Clock
What are atomic clocks? And why do we need them?
Brian Greene Previews NOVA's "The Fabric of the Cosmos"
2:10
Brian Greene Previews NOVA's "The Fabric of the Cosmos"
Physicist Brian Greene discusses his return to NOVA with "The Fabric of the Cosmos."
Meet André Fenton
5:17
Meet André Fenton
Meet Dr. André Fenton, the co-host of NOVA Wonders.
Are Cats As Easy to Train as Dogs?
2:19
Are Cats As Easy to Train as Dogs?
Tips on how to train your cat.
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2:18
Quantum Confidential
Learn how to send top-secret messages using quantum mechanics.
How NASA’s Apollo 8 Left Earth’s Orbit
2:24
How NASA’s Apollo 8 Left Earth’s Orbit
Apollo 8 was the first in the world to head to the moon using trans-lunar injection.
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