Jo Ann Kairys, MPH, started a new journey after retirement, writing and illustrating children’s stories, founding a publishing house, adapting to technology, and coaching authors and illustrators.

The director of the landmark PBS documentary tells AARP things are getting better for the 50-plus, but society still has a ...

In a new book, the mathematical epidemiologist Adam Kucharski explains how certainty, even in math, can be an illusion.