Researchers found that rabies virus uses a shape-shifting protein to hijack RNA and control vital cell functions. Viruses are astonishingly efficient, able to take over our cells and control essential ...

The sex and age of an animal turn out to be stronger predictors than habitat for higher PFAS levels, suggesting they ...

Neural tissue engineering aims to mimic the brain's complex environment, the extracellular matrix, which supports nerve cell growth, development, and proper connectivity. This environment is carefully ...

This article appears in the January 2026 print edition with the headline “The Most Powerful Man in Science.” ...

For many, dark chocolate is a simple indulgence, a delightful escape that melts away the day’s stresses. Yet, beneath its ...

A Penn-led research team has uncovered how hydralazine, one of the oldest blood pressure medications and a standard treatment for preeclampsia, functions at the molecular level.

It’s a universally acknowledged truth that the way we begin our day often sets the tone for everything that follows. For many ...