Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...
The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.
Interesting Engineering on MSN
Sugar-powered sight? 400-year eye mystery behind birds’ oxygen-free vision solved
A new study explains how birds maintain sharp eyesight despite their retinas lacking blood vessels, finally resolving a ...
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