If these scientists are correct, the existence of matter in the universe — the fact that there is a universe at all — is due to the fact that, at the very moment of the Big Bang, there was a slight asymmetry between the matter and anti-matter that it produced.
And by slight, I mean extraordinarily slight. There was one more particle of matter than of anti-matter per ten billion particles. That’s 1 in 10,000,000,000.
On such slight margins does our existence depend.
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