Mathematicians finally understand the behavior of an important class of differential equations that describe everything from ...

The company’s robotaxi service is supposed to launch in the US capital this year. But while service rollouts have been relatively smooth in other cities, DC’s rules have made things tricky.

But, both of these would require large structural changes for a course that teaches hundreds of students a year — something that can’t really happen in the near term. What could happen now, though, is ...