If you were the fitness king for a day and could create a fitness test for yourself to qualify for any job or goal, what would it be? If you were the fitness king for a day and could create a fitness ...

The creators of a new test called “Humanity’s Last Exam” argue we may soon lose the ability to create tests hard enough for A.I. models. Credit...Rune Fisker Supported by By Kevin Roose Reporting from ...