Under the sea

5 ways cephalopods challenge our understanding of evolution

Gennaro Castellano / EyeEm/EyeEm/Getty Images

Cephalopods such as octopuses and squid may seem like the closest thing to alien life here on Earth, but studies on them could have far-reaching implications for other creatures.

Here are 5 ways cephalopods are changing our understanding of life on Earth.

Shutterstock