How can a biological system exploit quantum sensing to improve its ability to detect weak signals?

Quantum sensing utilizes quantum mechanical phenomena, such as superposition, entanglement, and coherence, to create sensors that can measure physical quantities with a sensitivity that surpasses classical limits. A biological system can exploit quantum sensing to improve its ability to detect weak signals by utilizing molecular systems that are highly sensitive to subtle changes in their environment. For example, consider a system that needs to detect weak magnetic fields. Instead of relying on classical magnetoreceptors, the system could utilize radical pairs whose spin dynamics ar....