Spending over 100 nights on a cruise ship might not be for everyone. But for those who long to see the world from pole to ...

During her training in anthropology, Dorsa Amir, now at Duke University, became fascinated with the Müller-Lyer illusion.

The Mercator projection, a centuries-old map style from the age of sail, still prevails in the internet age. Here’s what the ...

UC Berkeley scientists tricked the eye into seeing "the greenest green" they'd ever seen. They say it could transform how we ...