In the fast-paced world of digital distractions, a new kind of viral phenomenon has taken over our social feeds: the high-stakes visual perception challenge. As a long-time observer of how our brains ...

Do you think you have perfect vision? Here’s a quick way to find out. This optical illusion is designed to test how sharp ...

As an undergraduate at the University of Chile, Bernardo Subercaseaux took a dim view of using computers to do math. It seemed antithetical to real intellectual discovery. “There’s some instinct or ...