from what i remember during my bachelors degree in physics, theres two main things going on:
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Proving more of the Standard Model. The standard model governs pretty much all particle physics. So far a lot of it is proven experimentally. But there are still things that are predicted, but not yet verified. This is stuff that the Hadron collider and CERN are doing
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Reconciling General relativity and quantum mechanics. At large scales, GR is pretty much proven. At small scales, QM is pretty proven. But both theories are incompatible with the other. Dunno much about this personally. They're looking for a Grand Unified Theory.
String theory is just bunk science, don't need to really investigate it any further.

RE9 is unplayable on a widescreen monitor
ooo what mods