FOOD FOR THOUGHT


Brainteaser

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Want to read this article?

Subscribe to access Deep Dive articles, book reviews, podcasts, Ask the Founder, and access to our members-only forum.

Become a Member

Already a subscriber? Sign in