AI will have more of an impact on certain demographic groups than others. NPR's Ayesha Rascoe speaks with Jonathan Hersh, professor at Chapman University, about who will be most affected and why.

Traveling East might have been an appropriate tendency for early humans living in what is now Europe near the end of the Ice Age. A team of researchers describe how populations shifted in size, ...

Fertility rates across the world have been steadily dropping since 1950. Pinpointing the reasons—despite the lack of typical ...