The Ghostly Particles That May Have Unbalanced the Universe

Almost all matter in the universe should have been annihilated shortly after the Big Bang, but looking around, we see galaxies, stars, planets, and, you know... us. So obviously that didn't happen, and the why of it may have something to do with neutrinos.

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Sources:
https://www.nature.com/articles/s41586-020-2177-0
https://arxiv.org/pdf/1204.4186.pdf
https://www.nytimes.com/2020/04/15/science/physics-neutrino-antimatter-ichikawa-t2k.html
http://backreaction.blogspot.com/2020/04/no-physicists-have-not-explained-why.html
https://arxiv.org/abs/1801.10059
https://t2k-experiment.org/t2k/
https://arxiv.org/pdf/1409.1903.pdf
http://www.hyper-k.org/en/neutrino.html
https://www.nature.com/articles/178446a0
https://iopscience.iop.org/article/10.1070/PU1991v034n05ABEH002497
https://arxiv.org/pdf/1306.1246.pdf

Image Sources:
https://svs.gsfc.nasa.gov/12656
https://commons.wikimedia.org/wiki/File:The_entire_view_of_J-PARC.jpg
https://commons.wikimedia.org/wiki/File:Superconducting_Magnets_J-PARC.jpg
https://commons.wikimedia.org/wiki/File:J-PARC_Neutrino_Experiment_Facility_Primary_Beamline_Final_Focusing_Section.jpg
https://home.cern/science/physics/standard-model
https://commons.wikimedia.org/wiki/File:Ilc_9yr_moll4096.png
https://wmap.gsfc.nasa.gov/media/030658/index.html
https://wmap.gsfc.nasa.gov/media/990320/index.html
https://svs.gsfc.nasa.gov/vis/a000000/a000100/a000182/
https://commons.wikimedia.org/wiki/File:Andrei_Sakharov_1989_(cropped).jpg
https://en.wikipedia.org/wiki/File:Oscillations_electron_long.svg
https://commons.wikimedia.org/wiki/File:CMS_Higgs-event.jpg