And she tackles the multiverse theory, too.
According to physics, vast portions of our Universe are missing.
Not so fast—dark matter is far stranger than all that.
Scientists don't know what dark matter is, but we know it's real.
They’re 300 million light-years away, but could have big implications here on Earth.
The sci-fi trope has real-world potential.
This short video shines a light on these mysterious substances.
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