Jeff Sagarin, a sports computer rankings expert, is still refining his system for evaluating college football teams at 77, despite knowing perfection is impossible.

Perhaps the surest sign that artificial intelligence really is taking over the world will come the day it wins your favorite March Madness bracket pool.

Perfect brackets on the ESPN Tournament Challenge site fell hard after second-seeded Ohio State’s exit Sunday in the second round action of the women’s NCAA Tournament.

Caitlin Clark’s audacious logo 3-pointers and record-breaking accomplishments have driven sports fans who previously wouldn’t walk across the street to watch women’s basketball to set their DVRs for Iowa games.