Penn State scientists uncovered an ancient bacterial defense where dormant viral DNA helps bacteria fight new viral threats. The enzyme PinQ flips bacterial genes to create protective proteins that ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Sexually transmitted infections (STIs) are infections passed from one person to another through sexual contact. Many STIs don’t cause symptoms, but others can lead to genital sores, unusual discharge, ...

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