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4:17
David Pogue learns about rare earth elements.
17:19
Investigate medical algorithms in which the patient’s race drives decisions.
0:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
0:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
0:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
0:50
Detailed satellite images reveal the web of connections that sustain life on Earth.
0:30
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
1:49
Discover how Earth’s intricate climate system is changing.
2:04
Discover how Earth’s intricate climate system is changing.
0:28
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
0:30
Surprising clues indicate that space is very much something and not nothing.
0:30
Take a wild ride into the quantum realm, where even the impossible seems possible.
