John Glenn, the 1st American to orbit Earth, has died at 95

John Glenn, whose 1962 flight as the first U.S. astronaut to orbit the Earth made him an all-American hero and propelled him to a long career in the U.S. Senate, died Thursday. The last survivor of the original Mercury 7 ...

Protein disrupts infectious biofilms

Many infectious pathogens are difficult to treat because they develop into biofilms, layers of metabolically active but slowly growing bacteria embedded in a protective layer of slime, which are inherently more resistant ...

Researchers map neural circuitry of songbird learning

How do juvenile songbirds learn to sing in a way that preserves both the unique features of local song culture and their specifics-specific song "signature"? Researchers have begun to map the brain circuitry responsible for ...

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