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Health & MedicinePet frogs can transmit salmonella
A CDC investigation adds a common aquarium species to the list of amphibians that can carry and spread bacteria.
By Nathan Seppa -
LifeWhy flies can drink and drink
Fruit flies use sophisticated pumps to suck fluids as thick as syrup.
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Iron in the Mix
Scientists look for the secret behind high-temperature superconductors.
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Massacre at Sacred Ridge
A violent Pueblo incident sparks debate regarding prehistoric genocide.
By Bruce Bower -
Smoke from a Distant Fire
Burning forests can send aerosols into the stratosphere and around the world.