Topic: Deep Look

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A female blue orchard bee builds her ‘bee-jeweled’ nest

A new type of bee is buzzing through California's orchards. And researchers are hoping that the iridescent, greenish insect may help provide a more efficient way to pollinate nuts and fruits in an era when traditional...

How Elephants Listen … With Their Feet

Thousands of elephants roam Etosha National Park in Namibia, a nation in southwest Africa, taking turns at the park’s numerous watering holes. The elephants exchange information by emitting low-frequency sounds that t...

Why Do Tumbleweeds Tumble?

When we think of a desolate plain or a foreboding frontier town in the wild west, we might think of the iconic tumbleweed rolling through the scene. Or they might roll through as a joke. But for people who live in dry...

The Mystery of the Upside-Down Catfish

Normally, an upside-down fish in your tank is bad news. As in, it’s time for a new goldfish. That’s because most fish have an internal air sac called a swim bladder that allows them to control their buoyancy and or...

This giant plant looks like raw meat and smells like dead rat

This gigantic flower, native to western Sumatra and infamous for smelling like something rotten, is the corpse flower or titan arum, and it's not really a single flower. The flowers are at the base of the tall spadix ...

Why Is The Very Hungry Caterpillar So Dang Hungry?

Monarchs are ravenous for milkweed. California pipevine swallowtail caterpillars want lots of pipevine. Why are these very hungry caterpillars so hungry? “Caterpillars have to store up incredible reserves of prote...

How Do Pelicans Survive Their Death-Defying Dives?

Unlike American White Pelicans, who scoop up fish at the water's surface, California’s brown pelicans rocket down from the sky, plunging toward the ocean from as high as 65 feet. This episode of Deep Look explains how...

The scientist that grows ‘identical twin snowflakes’

Snow crystals form when humid air is cooled to the point that molecules of water vapor start sticking to each other. In the clouds, crystals usually start forming around a tiny microscopic dust particle, but if the wa...

Why Does Your Cat’s Tongue Feel Like Sandpaper?

If you've ever been licked by a cat, did their tongue feel scratchy like sandpaper? The scratchiness is caused by their keratin papillae, tiny claw-like spines on their tongue that help to clean their fur. Cats (Felis...

How smart is a spitting archerfish?

Watch how the archerfish hunts for its food and you'll see how it got its name. With accurate aim, its mouth can shoot a tiny jet of water at insects and other prey located above the water's surface and as far as six ...

Roly Polies Came From the Sea to Conquer the Earth

Woodlouse, pill bug, roly poly, sow bug, armadillo bug, cheeselog, wood shrimp... what do you call this bug where you live? Whatever you do, don't call it an insect! Roly polies are crustaceans, more like a shrimp...

How Do Reindeer and Elk Get Their Astounding Antlers?

What if you had to grow 20 pounds of bone on your forehead each year just to find a mate? In a bloody, itchy process, males of the deer family grow a new set of antlers every year, use them to fend off the competition...

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

The mantis shrimp is a fascinating creature. One kind impales prey with a spear-like appendage and another smashes prey with a built-in club — the fastest attack in the animal kingdom. "At 30 times faster than the bli...

The Double-Crossing Ants to Whom Friendship Means Nothing

In the Tambopata National Reserve, located in the Peruvian Amazon, big-headed ants are 'hired' as bodyguards by young Inga trees who want to grow tall enough to reach the rainforest canopy. The rainforest is espec...

Watch These Frustrated Squirrels Go Nuts – Deep Look

How do you know when a squirrel is happy? Warning a predator? Protecting its food? Frustrated? The key to understanding their mood is not in their expressionless faces... it's in their tail movements. Enter the resear...

These Carnivorous Worms Catch Bugs by Mimicking the Night Sky

These slimy threads are 'fishing' lines in New Zealand's Waitomo Caves. The lures are the bioluminescent glow of Arachnocampa luminosa, or glow worms. Their carnivorous larvae create a starry night sky a half a mile d...

Rock-Paper-Scissors Lizards

Biologists from UC Santa Cruz are studying the three distinct mating strategies of what's being referred to as "rock-paper-scissors lizards," the blue, orange, and yellow variations of the Western side-blotched lizard...

Nature’s Scuba Divers – How Beetles Breathe Underwater

"Water beetles have been breathing underwater since before the dinosaurs existed,” said Crystal Maier, an entomologist at The Field Museum in Chicago. “It has evolved at least 10 times across the insect tree of life."...

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