The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...
On Wednesday, in a hearing before Chief Judge Stacey Jernigan of the U.S. Bankruptcy Court for the Northern District of Texas ...
A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...
Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...
After age 65, schedule an annual eye exam to catch vision changes early, before they lead to long-term vision loss. Aging can affect near vision, color vision, and how quickly your eyes adjust to ...
Biologists have finally solved a centuries-old mystery regarding how birds maintain sharp eyesight despite ...