Hagia Sophia: Istanbul's Mystery Preview
Season 42
Episode 4
About the Episode
How has this unique structure, built on a seismic fault, survived centuries of quakes? Airing February 25, 2015 at 9 pm on PBS
Aired:
| Expires: | Runtime: 30s
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Extras
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This Tiny Moon Is a Volcanic Powerhouse
Io’s intense volcanic activity defies all expectations.2:45 -
How a Walnut-Shaped Moon Help Shape Saturn’s Rings
For millions of years, a tiny moon has made a significant impact on the structure of Saturn’s rings.2:35 -
Venus: The Planet With Battery Acid Clouds
This is what it would be like to walk on the surface of Venus.3:27 -
Hurricanes Are Getting More Destructive
Recent hurricanes blow away records for destruction, costing over a trillion dollars in 20 years.4:15 -
Why is Haumea Shaped Like an Egg?
Most objects with a radius over 200 miles are spherical, but Haumea is an exception.2:30 -
Sir Arthur C. Clarke's Vision of the Computer-Dominated Future
Watch this interview with Sir Arthur C. Clarke for The Mind Machine (1978.)1:39 -
Building Stuff: Boost It! Preview
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.0:30 -
How Medieval Armorers Made Knights Bulletproof
Knights and firearms clashed on the battlefield for over 200 years.2:15 -
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Decoding the Universe: Quantum Preview
Dive into the universe at the tiniest – and weirdest – of scales.0:30
