Jonas Salk quietly built the polio vaccine through rigorous, methodical work in Pittsburgh: treating patients, refining data, conducting massive trials, before unveiling results that altered the ...

A first-of-its-kind shot that promises to reverse aging was just injected into a human body. It's a pivotal moment for longevity science, the first opportunity for researchers to prove that epigenetic ...

Specialized cells in the human body make biological trade-offs to perform certain jobs. To support the large, hardworking hearts that power other organs, heart cells have evolved to be extremely ...