In 2021, scientists proved that migratory birds like European robins can sense Earth's magnetic field using quantum entanglement through cryptochrome 4 proteins in their retinas, where light triggers entangled radical pairs that persist long enough to detect the geomagnetic field, demonstrating that quantum effects can function in warm, wet biological systems rather than just in supercooled laboratory conditions.
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Birds See Earth's Magnetic Field With Quantum Physics | 2021Added:
In 2021, scientists [music] proved birds see Earth's magnetic field using quantum entanglement. The molecule that does it lives inside the bird's eye. European robins carry a protein called cryptochrome 4 in their retinas. Light triggers an entangled radical pair.
Shu and colleagues at Oldenburg published the proof in nature in 2021.
The entanglement lasted long enough to sense the field. Quantum effects work in warm, wet biology, not just supercooled labs. Your senses are not the only kind possible.
Subscribe. Reality has senses your body simply does not have words for.
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