MI6 is The UK's version of the CIA. Except they came first and provided the model. But there's still a lot we don't know about this notoriously tight-lipped organization.

Selects: Birthmarks: Probably Not the Mark of the Devil
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The Stuff You Should Know Doin’ Science Playlist: How Chaos Theory Changed the Universe
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The Stuff You Should Know Doin’ Science Playlist: How Global Warming Works
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