Copper has been knocked off the top of a stability ranking it had dominated for decades. Without altering the atoms directly bonded to the metal, a KAIST research team reversed the longstanding trend in which copper generally forms the most stable complexes by tuning only the weak hydrogen bonds...

Source: [Phys.org](https://phys.org/news/2026-09-weak-hydrogen-bonds-dethrone-copper.html)

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