A mathematician was keen to forecast the evolution of the COVID epidemic. Instead, he ended up solving a problem which had troubled computer scientists for decades. During the corona epidemic many of ...

When the Clay Mathematics Institute put individual $1-million prize bounties on seven unsolved mathematical problems, they may have undervalued one entry—by a lot. If mathematicians were to resolve, ...

One question in computer science has stood above the rest for decades, resisting every attempt to settle it despite its enormous implications. At the center of the mystery is a deceptively simple idea ...