These marine snails combine exceptional vision, protective shells, and acrobatic leaping to evade deadly predators. Snails with the largest eyes are keeping a lookout for predators, new research ...

"That means it's really strange to find conch snails with such good eyesight. They're algae-grazers, not predators, so they must be using their excellent vision for something else." The research ...

Optical illusions have long fascinated the human mind, causing havoc with our senses and intelligence. Such puzzles not only entertain us but also test our IQ, observation, and thinking.

Using this sense, snails and slugs can search for food by following trails. To them, the world is a rich mix of chemicals. This makes up for their limited vision. They can only see differences in ...

Geckos, on the other hand, have excellent colour vision at night - a useful advantage for a nocturnal hunter. Their eyes have evolved to be up to 350 times more sensitive to colour at night than ours.