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3:52
Bill Nye sits down with Hari to discuss the inspiration for his book.
1:00
Who was Ernest Rutherford? His contribution served as the foundation of nuclear physics.
3:57
Planetary physicist Phil Metzger talks the New Horizons flyby over Pluto.
8:23
PBS Secrets of the Dead has the extraordinary story of a young pioneer from Jamestown.
4:23
Madhu Thengavelu discusses building settlements on the Moon and Mars.
0:48
Archimedes was a celebrated mathematician, inventor, and scientist of ancient Greece.
3:35
Brain surgery performed while awake helps mitigate symptoms of Parkinson's disease.
1:10
The innovators behind the code-learning app Lrn discuss the future of learning.
5:17
The decommissioned space shuttle Atlantis has a new home in Orlando, Florida.
