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Inside Einstein's Mind
Retrace the thought experiments that inspired his theory on the nature of reality.
S42 Ep23 | 53m 7s
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Making North America: Human
How has the land shaped our lives, from the arrival of the first Americans to today?
S42 Ep22 | 53m 2s
Making North America: Life
How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
S42 Ep21 | 53m 32s
Making North America: Origins
Experience the colossal geologic forces that shaped our continent over 3 billion years.
S42 Ep20 | 53m 31s
Arctic Ghost Ship
An astonishing find could solve the mystery of Sir John Franklin’s lost expedition.
S42 Ep16 | 53m 10s
Dawn of Humanity
Deep in a South African cave, an astounding discovery reveals clues to what made us human.
S42 Ep15 | 1h 53m 7s
Secrets of Noah's Ark
A team attempts to build the flood boat using inscriptions from an ancient clay tablet.
S42 Ep12 | 53m 9s
A unique coral garden in Papua New Guinea shows what the future may hold.
S42 Ep11 | 52m 53s
Nazi Attack on America
A sunken German U-boat off the coast of New Orleans tells the story of Operation Drumbeat.
S42 Ep10 | 53m 10s
The Great Math Mystery
Is math invented by humans, or is it the language of the universe?
S42 Ep7 | 53m 10s
Sunken Ship Rescue
A team of 500 engineers and divers struggle to raise the Costa Concordia cruise ship.
S42 Ep2 | 53m 10s