Henry Yuen is developing a new mathematical language to describe problems whose inputs and outputs aren’t ordinary numbers.

New York state is seeing the highest number of flu cases ever recorded in a single week, according to the state Department of Health. Health officials reported 71,123 positive flu cases during the ...

A mystery novel, a history book, and a fantasy epic may have little in common in plot or style. But count the words inside them and a strange regularity appears: many new words show up early, then ...