Well, I can't decide on the best #terahertz stories of 2022, but I can point to the result that I most wish I had thought of doing, but somebody else got to it first. It's this one, published back in March:
https://rdcu.be/c2w3X
This describes terahertz #circular_dichroism measurements on polycrystalline samples of various different amino acids. The data indicate the presence of #chiral terahertz #phonons in some cases. Very difficult experiments, but very impressive results!