We can't explain why matter exists at all instead of nothing.
open
Global / Unspecified, Global
According to our best theories, matter and antimatter should have destroyed each other completely after the Big Bang. Yet matter clearly won out, and we still don't know why.
Citation ID: WS00012
Title: We can't explain why matter exists at all instead of nothing.
URL: https://worldsolve.org/index.php?api=problem&id=12