Deep Look

From stone fortresses to silk hideouts, these creatures know how to make themselves at home. Meet a few remarkable builders ...

Deep Look

Do you really know who you're sharing the beach with? Purple sand dollars gobble bits of metal to stay grounded in turbulent ...

Deep Look

A deadly fungus is attacking frogs' skin and wiping out hundreds of species worldwide. Can anyone help California's remaining ...

Deep Look

Green tree ants are a dominant species in tropical forests stretching from India to northern Australia. Aggressive, industrious and ...

Deep Look

Bird's nest fungi look just like a tiny bird's nest. But those little eggs have no yolks. Each one is a spore sac waiting for a single ...

Deep Look

Two tiny mites duke it out on strawberry plants throughout California. One is a spider mite that sucks the juices out of the delicious ...

Deep Look

For these four animals, extreme makeovers are just a part of life. A house fly larva needs a radical transformation before it's totally ...

Deep Look

Meet four animals that have mastered the art of chemical defense and offense. Sneak up on a bombardier beetle and it will shoot ...

Deep Look

Most of the sea snails in this tide pool cruise around searching for food. But not the scaled wormsnail. It cements its shell to a rock ...

Deep Look

As a caterpillar, a grass skipper butterfly is an architect. It builds its home by weaving silk, which the caterpillar uses to fold shut a ...

Deep Look

Octopuses and cuttlefish are masters of underwater camouflage, blending in seamlessly against a rock or coral. But squid have to ...

Deep Look

Sharpshooters survive by guzzling a lot of plant sap. But drinking all of that liquid nutrition presents a problem for these tiny ...

Deep Look

An onslaught of tiny western pine beetles can bring down a mighty ponderosa pine. But the forest fights back by waging a sticky ...

Deep Look

Salmon make a perilous voyage upstream past hungry eagles and bears to mate in forest creeks. When the salmon die, a new ...

Deep Look

Tiger beetles are lightning-fast hunters, sprinting so quickly they momentarily outrun their own vision. Watch how these tiny but ...

Deep Look

Jellyfish don't have a heart, or blood, or even a brain. They've survived five mass extinctions. And you can find them in every ...