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An apple a day keeps the doctor away. And, it turns out, the dentist. Did you know that the fibery skin is good for your teeth?
Two astronauts answer your questions and discuss the many curiosities of living in space.
Teleporting data.. time travel.. quantum computers. Sci-fi or science reality? 'Quantum mechanic' Seth Lloyd joins us to talk about the mysteries of the quantum world.
Nobel Prize-winning astrophysicist Adam Riess takes your questions on dark energy and the cosmos.
The nautilus, the “living fossil” of cephalopods, can uncover the origins of the...
Could a stash of ancient bones be the work of a giant cephalopod?
In less than a second, cephalopods can change the color, pattern and shape of th...
Biologist Sarah Zylinski studies how cuttlefish see the world by looking at thei...
\tWith its heavy outer shell, weak vision, and primitive brain, the nautilus lacks much of the excitement of the more flashy and cunning cephalopods. Yet a series of experiments by evolutionary biologists Dr. Jennifer Basil and Robyn Crook involving fish juice, blue lights, and mazes dispels the notion that this ancient species is incapable of basic learning and throws into question the origins of cephalopods' intellectual prowess.