The snake's forked tongue helps it smell in stereo.

Bird’s nest fungi look just like a tiny bird's nest. But those little eggs have no yolks.

How are frogs so amazing at catching bugs? It’s their supersoft tongue and special spit.

Mussels create byssal threads to attach themselves to rocks and each other.

Earthworms cozy up with a mate inside tubes of slime to make cocoons full of baby worms.

What keeps the boneless, jawless hagfish thriving after more than 300 million years? SLIME