Deep Look

Science and Nature Series / 12 Seasons

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

2m 26s

These Crazy Cute Baby Turtles Want Their Lake Back

S3 E1 / 3m 10s

Turtles grow up without parents, which might sound lonely. But for threatened baby turtles raised in a zoo it's an advantage: they can learn to catch crickets all by themselves. There's a paradox, though. When they are ready to leave the nursery, there is little wilderness where they can make a home.

The Ladybug Love-In: A Valentine's Special

S3 E2 / 3m 4s

Ladybugs spend most of their lives alone, gorging themselves on aphids. But every winter they take to the wind, soaring over cities and fields to assemble for a ladybug bash. In these huge gatherings, they'll do more than hibernate—it's their best chance to find a mate.

Stinging Scorpion vs. Pain-Defying Mouse

S3 E3 / 3m 18s

There's a chemical arms race going on in the Sonoran Desert between a highly venomous scorpion and a particularly ferocious mouse. The outcome of their battle may one day change the way doctors treat pain in people.

This Mushroom Starts Killing You Before You Even Realize It

S3 E4 / 3m 31s

The notorious death cap mushroom causes poisonings and deaths around the world. If you were to eat these unassuming greenish mushrooms by mistake, you wouldn’t know your liver is in trouble until several hours later.

The Bombardier Beetle And Its Crazy Chemical Cannon

S3 E5 / 2m 46s

When attacked, this beetle sets off a rapid chemical reaction inside its body, sending predators scrambling. This amazing chemical defense has some people scratching their heads: How could such a complex system evolve gradually—without killing the beetle too?

Meet the Dust Mites, Tiny Roommates That Feast On Your Skin

S3 E6 / 3m 3s

You may think that you've got the house to yourself, but chances are you have about 100 different types of animals living with you. Many of them are harmless, but a few can be dangerous in ways you wouldn't expect.

Winter is Coming For These Argentine Ant Invaders

S3 E8 / 2m 57s

Argentine ants are spreading across the globe, eliminating local ants with their take-no-prisoners tactics: invade, dismember, repeat. But this ruthless killer seems to have met its match in the winter ant, a California native with a formidable secret weapon.

These Lizards Have Been Playing Rock-Paper-Scissors for 15 Million Years

S3 E9 / 3m 6s

Male side-blotched lizards have more than one way to get the girl. Orange males are bullies. Yellows are sneaks. Blues team up with a buddy to protect their territories. Who wins? It depends - on a genetic game of roshambo.

How Mosquitoes Use Six Needles to Suck Your Blood

S3 E10 / 2m 55s

Seen up close, the anatomy of a mosquito bite is terrifying. The most dangerous animal in the world uses six needle-like mouthparts to saw into our skin, tap a blood vessel and sometimes leave a dangerous parting gift.

This Vibrating Bumblebee Unlocks a Flower's Hidden Treasure

S3 E12 / 3m 32s

Most flowering plants are more than willing to spread their pollen around. But some flowers hold out for just the right partner. Bumblebees and other buzz pollinators know just how to handle these stubborn flowers. They vibrate the blooms, shaking them until they give up the nutritious pollen.

Sticky. Stretchy. Waterproof. The Amazing Underwater Tape of the Caddisfly

S3 E13 / 3m 35s

What do you do if you are a tiny caddisfly larva growing up in a torrent of water and debris? Simple. You build a shelter out of carefully selected pebbles and some homespun waterproof tape.

Sea Urchins Pull Themselves Inside Out to be Reborn

S3 E14 / 3m 2s

Conceived in the open sea, tiny spaceship-shaped sea urchin larvae search the vast ocean to find a home. After this incredible odyssey, they undergo one of the most remarkable transformations in nature.

Can the Frog Apocalypse be Stopped by a New "Vaccine" ?

S3 E15 / 3m 42s

A deadly fungus is attacking frogs’ skin and wiping out hundreds of species worldwide. Can anyone help California's remaining mountain yellow-legged frogs?

These Termites Turn Your House into a Palace of Poop

S3 E18 / 3m 13s

Termites cause billions of dollars in damage annually – but they need help to do it. So they carry tiny organisms around with them in their gut. Together, termites and microorganisms can turn the wood in your house into a palace of poop.

The Double-Crossing Ants to Whom Friendship Means Nothing

S3 E19 / 2m 53s

The Peruvian Amazon is a dangerous place when you're small. So the young Inga tree hires ants as bodyguards to protect its vulnerable leaves. Their pay: delicious nectar served up in tiny ant-sized dishes. But will the ants keep up their end of the bargain?

The Snail-Smashing, Fish-Spearing, Eye-Popping Mantis Shrimp

S3 E20 / 3m 46s

The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in detecting cancer.

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