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Why Didn’t Antimatter Destroy The Universe?

Season 11 Episode 2 | 14m 50s

At one-one-thousandth of a second after the Big Bang, the great annihilation event should have wiped out all matter, leaving a universe of only radiation. Why still don't know why any matter survived. Well, a new finding from the LHC brings us one step closer to understanding why there's something rather than nothing.

Aired: 04/16/25
Physicists hope Planck stars can save us from black hole singularities and paradoxes.
Galaxies older than the universe? Webb's findings keep defying our best explanations.
Earth's core: solid or liquid? Yes — we know more about distant galaxies than our own interior.
Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.
Tardigrades can survive almost anything—even most of Mars. But one Martian chemical stops even them.
The Higgs boson may open a portal to hidden particles that could explain dark matter.
The universe expands faster. “Dark energy” may not be constant after all.
There’s a new generation of experiments that may unlock the gravity particle.
The universe thrums with quantum fields, except something may be missing: the sterile neutrino.
Gravitons, the particle of quantum gravity, may be impossible to detect.