How ancient (and not so ancient) cultures thought about water purity and contamination.

The blaze that sparked the modern environmental movement . . . or did it?

Eleanor Roosevelt thanks a chemical engineering firm in Philadelphia for manufacturing water for the king and queen of England on their visit to the United States.

Lessons from the Polio Pioneers in an era of misinformation.

Can scrutinizing the ailments of historical figures really teach us anything?

Restoring the legacy of a physical chemistry pioneer.