Research shows that burning hydrogen-blended gas into older appliances not designed for it can increase emissions of nitrogen ...

Residents ‘left out’ of debate over controversial plan to pump ‘gas blend’ into homes - One expert called it ‘an absurd ...

New options for testing and treating some of the most common sexually transmitted diseases are becoming available.

ST. PETERSBURG, Fla. — Retired professional mechanical engineer Mike Higgins, 75, recently sent the city of St. Petersburg a letter with ideas on how to redesign backflow preventers to make them more ...

Though an antiretroviral medication called PrEP provides near-perfect protection against HIV, patients must often surmount ...