Scientists watched as a population of sea snails evolved within just ... saxatilis is a common species of marine snail found ...

Stromboidea sea snails provide some of the best examples ... "It seems that the group of large-eyed snails inherited their large eyes from a common ancestor," Alison says. "These then got even ...

But halfway across the world, there's another type of snail that is just as popular. And it's called ốc, or "sea snails." In the streets of Vietnam, people have been eating them for centuries.