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The 4 Percent Universe

Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality
Title rated 4 out of 5 stars, based on 40 ratings

The epic, behind-the-scenes story of an astounding gap in our scientific knowledge of the cosmos.

In the past few years, a handful of scientists have been in a race to explain a disturbing aspect of our universe: only 4 percent of it consists of the matter that makes up you, me, our books, and every planet, star, and galaxy.…

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