Book of Curiosities

Ancient Maps Are Mirrors for the Ancient Psyche

The Book of Curiosities of the Sciences, and Marvels for the Eyes, an eleventh-century Arabic geography, is still a wonder.
Pokemon Gym at the peak of Zion Observation Point

Mapping the Future with Pokémon Go

Is Pokémon Go is preparing us for a world without cartography?
Credit: NASA/JPL/University of Arizona
Caption: Alfred McEwen

The Canals of Mars

We now know there's liquid water on Mars, according to NASA. But at the turn of the 20th century, we believed something else: that Mars had canals.