Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

As a writer and photographer, I use a 14-inch M3 MacBook Pro on a daily basis, and the time has come to consider an upgrade.

As the IRS begins accepting 2024 tax returns, individuals should prepare for potential delays with certain credits, ensure all income is reported, and consider filing for an extension if necessary.