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Valar more-curious!

WINTER:
Seasons of Westeros and the 3-body problem:
Other possible explanations for the seasons:
Why those other reasons are wrong:

NOTE ON MOONS AND STABILIZATION: I’m adding this comment after the video goes up: In retrospect I should have said that a moon doesn’t *necessarily* have to be present to stabilize a planet. While our moon does cancel out some tugging from the other planets in the solar system, here’s a recent paper shows that moonless planets can orbit with great stability even without the influence of a moon. Basically moons aren’t required for stability:

Even more reasons for the seasons:

GEOLOGY:
Generation Anthropocene’s AMAZING geologic history of Westeros and Essos:

VALYRIAN STEEL:
Damascus steel:

DRAGON FIRE:
Kyle Hill’s explanation for real-life dragon fire:

DRAGON FLIGHT:
Dragon-sized birds are biologically impossible:

WILDFIRE:
Greek fire:
Trimethyl borate flame by hkparker:

MILK OF POPPY:
Opates:

THE WALL:
Compression melting of ice:

DIRE WOLVES:
Canis dirus:

REAL-LIFE CHARACTERS:
Abandon all productivity ye who click here:
Stark/Lannister feud in real life tapestry:

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Have an idea for an episode or an amazing science question you want answered? Leave a comment below!

Follow me on Twitter: @jtotheizzoe
Email me: itsokaytobesmart AT gmail DOT com
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Joe Hanson – Host and writer
Joe Nicolosi – Director
Amanda Fox – Producer, Spotzen IncKate Eads – Associate Producer
Katie Graham – Director of Photography
Edited by Stephanie Noone and Kirby Conn from Arts & Labor
John Knudsen – Gaffer

Music:
“Ouroboros” by Kevin MacLeod

Produced by PBS Digital Studios:

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Last week’s video: Maternal Connections –

More videos:
The Far Future of the Universe –

The Science of Dust –
There Was No First Human –
How The Elements Got Their Names –

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