Scientists have made the most precise measurement of antimatter yet, and the results only deepen the mystery of why life, the universe, and everything in it exists.

The new measurements show that, to an incredibly high degree of precision, antimatter and matter behave identically.

Yet those new measurements can’t answer one of the biggest questions in physics: Why, if equal parts matter and antimatter were formed during the Big Bang, is our universe today made up of matter?

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