Quantum fragility may help birds navigate
Influence of Earth’s magnetic field on retinal chemistry could aid avian sense of direction
![birds of a feather](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/06/062415_ec_quantum-bird_free.jpg?fit=860%2C460&ssl=1)
QUANTUM COMPASS Migrating birds may find their way using sensitive quantum mechanical compasses. A new study suggests that such compasses benefit from the delicate nature of quantum weirdness.
Chandru Ramkumar/Flickr (CC BY-NC-SA 2.0)