Linked from
The 17 pages that link to Electron capture, each with the reason it gives.
Beta decayCompared with: It changes a proton into a neutron without emitting a positron.
Core-collapse supernovaRelated: It removes pressure-supporting electrons from the collapsing core.
Nuclear transmutationBroader topic: It lowers atomic number by one without emitting a positron.
IsobarRelated: It changes atomic number without changing mass number.
Potassium-40Related: This pathway turns potassium-40 into argon-40.
Beta particleCompared with: It changes proton-neutron balance without emitting a beta particle.