News
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Health & MedicineMaking the optic nerve sprout anew
A compound made during inflammation, a natural reaction to injury, can induce optic nerve regeneration in a lab-dish concoction including rat retinal ganglion cells.
By Nathan Seppa -
Health & MedicineCatching macular degeneration early
Scientists have developed a test that uses the eye's ability to adapt to darkness as a test for age-related macular degeneration, the most common cause of blindness in elderly people.
By Nathan Seppa -
AnimalsThat special wax lasts after courtship
Sandpipers' special wax for their wings during the breeding season may have less to do with courting a mate and more to do with sitting on eggs.