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Standard Model
Neutrinos are still the most mysterious particle we know of
Nearly 100 years after being theorized, the strange behavior of the neutrino still mystifies us. They could be even stranger than we know.
The argument against the existence of a Theory of Everything
The Holy Grail of physics is a Theory of Everything: where a single equation describes the whole Universe. But maybe there simply isn't one?
Ask Ethan: Could “positive geometry” unlock the theory of everything?
Since even before Einstein, physicists have sought a theory of everything to explain the Universe. Can positive geometry lead us there?
No, theoretical physics isn’t broken; it’s just very hard
When you don't have enough clues to bring your detective story to a close, you should expect that your educated guesses will all be wrong.
How particle physics will continue after the last collider
Will we build a successor collider to the LHC? Someday, we'll reach the true limit of what experiments can probe. But that won't be the end.