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Episode 422

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In The Unlikely Event

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Date

11.17.20

Category:

Visuals

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Article

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Urban Stardust: The Search for Ancient Micrometeorites on Everyday Rooftops

Date

11.15.20

Category:

Objects

Article

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10 Out of the 2010s: Check Out the Decade’s Most Popular 99pi Articles & Videos

Date

11.13.20

Category:

History

Article

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Unpacking Hobo Codes: The Pictographic Language of Train-Hopping Nomads

Date

11.12.20

Category:

Visuals

Episode 421

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You’ve Got Enron Mail!

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Date

11.09.20

Category:

Technology

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Article

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Symbiotic Synanthropes: Barn Owl Holes Extend Hospitality to Rodent Hunters

Date

11.08.20

Category:

Architecture

Article

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Spolia of War: Stonework Highlights the Ancient Art of Architectural Recycling

Date

11.06.20

Category:

History

Article

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Self Sabotage: The Swiss Strategy of Rigging Vital Infrastructure to Explode

Date

11.05.20

Category:

Infrastructure

Episode 420

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The Lost Cities of Geo

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Date

11.03.20

Category:

History

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Article

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Left Behind: Persistent Frustrations in a World Designed for Right-Handers

Date

11.01.20

Category:

Technology

Article

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10 Out of the 2010s: Tune in and Share a Set of Chart-Topping 99pi Episodes

Date

10.30.20

Category:

History

Article

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Here Be Dragons: How Feng Shui Shapes the Skyline of Hong Kong

Date

10.28.20

Category:

Cities

Episode 419

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Take a Walk

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Date

10.27.20

Category:

Sounds

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