Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, says Geoffrey Trussell, an evolutionary biologist and professor at ...

‘I’m always amazed that people hate slugs so much. I don’t know what a shell does to a snail to make it lovable,’ says Jon. Slugs actually do have a shell, but it’s internal. Their shell has been ...

These vibrations are transferred to three small bones inside your middle ear and then to your cochlea, which is shaped like a snail shell and filled with fluid. Inside the cochlea, the moving ...