Optical illusion challenges keep people engaged in a fun way. These viral puzzles, designed to trick the eyes, force the brain to look twice before spotting the hidden detail. That mix of difficulty ...

It's time now for our science news roundup from Short Wave, NPR's science podcast. I am joined by the show's host, Regina Barber, and producer Rachel Carlson. Good to have you both here. RACHEL ...

In today’s Optical Illusion, we all have very large, weeping cherry blossom trees, which look very beautiful. But this image gives us a challenge of visual illusion, where there will be a test of our ...