Archaeologist Greer Jarrett spent three years piloting a small sailboat along the coast of Norway to understand Viking trade routes.

Anglers have always been a superstitious bunch. We have lucky hats, lucky rods, and lucky shirts. We have certain rituals to ensure good fortune, such as insisting a certain food is onboard or tossing ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When Haridy studied the tissues of her catfish, she saw that the denticles were ...