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PaleontologyWinged dragon
A quarry on the Virginia–North Carolina border has yielded fossils of an unusual gliding reptile that lived in the region about 220 million years ago.
By Sid Perkins -
Health & MedicineWarning Sign: River blindness parasite shows resistance
The parasitic worm that causes river blindness seems to be developing resistance to the only drug that controls it.
By Nathan Seppa -
ComputingMapping a Medusa: The Internet spreads its tentacles
After tracking how digital information weaves around the world, researchers have concluded that, structurally speaking, the Internet looks like a medusa jellyfish.
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Crossing the Line: Technique could treat brain diseases
With the help of a molecule from the rabies virus, scientists have for the first time selectively ferried a drug across the blood-brain barrier to treat a neurological disease in mice.