S2 E6: A Shot in the Dark
Sep 13, 2017•26 min•Ep. 20
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Episode description
Earth, the cosmos, everything we can see with our eyes and our instruments is made up of normal matter. But all that doesn’t add up to a whole lot. It's just 15% of the mass of the universe.
The rest is an unknown, invisible… something…
The rest is an unknown, invisible… something…
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