A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

YouTube and Facebook are the social networks most used by adults in the United States, according to recent research from the Pew Research Center. The report was based on data from a survey conducted ...

Imagine seamlessly using your patent portfolio as a strategic asset for licensing and monetization by analyzing infringers at scale. A few years ago, this would be an impossible dream, but today ...