Quantum Spin May Explain Life’s Preference for One Molecular Hand
Scientists propose that electron spin, a quantum property, interacts with moving chiral molecules to create tiny, non-equal effects between mirror-image forms. These spin-dependent differences can influence how each enantiomer participates in reactions and transport, offering a possible mechanism for homochirality where biology consistently uses one handed form. The finding suggests quantum physics may have helped shape the molecular foundations of life, beyond chemistry alone.