Mysterious ‘kick’ just after the Big Bang may have created dark matter

One of the lingering mysteries of the universe is why anything exists at all.

That’s because, in the universe today, matter and its antimatter counterpart should form in equal amounts, and then these two oppositely charged types of matter would annihilate each other on contact. So all the matter in the universe should have disappeared as soon as it formed, canceling itself out on contact with its antimatter counterpart.

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