Topic: biology

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The world’s largest collection of whale bones

The world's largest collection of whale bones—sperm whale, gray whale, massive blue whales—and a bunch of ancient whale fossils from extinct species are stored in this warehouse in Maryland. It's a whale bone warehous...

Chaser, the Border Collie that can understand 1022 words (or more)

Border Collies are known to be super smart and disciplined dogs that can take detailed verbal commands while herding sheep and performing other helpful tasks. How many verbal commands can they understand? This demonst...

Colorscope, an exploration of color across cultures

How do different cultures perceive and use color? Colorscope touches upon those perceptions and uses throughout history in this series of videos from CNN Creative, written and narrated by British art historian and bro...

A window into ladybug wing origami

Beneath a ladybug's red shell, the spotted elytra that it's known for, the beetle's hind wings are efficiently folded until it wants to take off and fly. When it lands, the wings simply fold back up into a protected p...

How to change anxiety into excitement

Starting at a new school, performing in a recital, riding a rollercoaster, playing against a tough team, taking a test... there can be so many times when we might feel worry, anxiety, and stress about a task or experi...

A blue whale lunges for krill

How can the largest creatures on the planet survive by almost exclusively eating some of the smallest creatures in the sea? In this video from Oregon State University, we get a very rare look at how blue whales eat ti...

A pacific razor clam burrows rapidly into the sand

Watch as a pacific razor clam (Siliqua Patula) rapidly burrows into the sand with its large foot. When it's almost completely buried, it ejects spouts of water, a reaction that a variety of razor clams are known for. ...

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 three different ways mammals give birth

All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences — and one of the most remarkable differences is how they ...

Each Tree Is Its Own Adventure: Climbing giant sequoias for science

Among the planet's longest-living organisms—3,000+ years and growing—giant sequoias (Sequoiadendron giganteum) can seem pretty indestructible. They're thought to be mostly disease, fire, and drought resistant thanks ...

Why peregrine falcons are the fastest animals on earth

Peregrine falcons are the fastest animals of the land—and it's no wonder, their bodies are built for speed. While cheetahs can run up to 70 mph on land, peregrine falcons can dive at speed of over 200 mph. That's fast...

Oxygen’s surprisingly complex journey through your body

Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach th...

How the food you eat affects your gut – TED Ed

The bacteria in our guts can break down food the body can’t digest, produce important nutrients, regulate the immune system, and protect against harmful germs. And while we can’t control all the factors that go into m...

The differences between a living and a dead sand dollar

How can you tell if a sand dollar is dead or alive? Sand dollars are flat sea urchins that burrow into the soft sand. When alive, their undersides are full of "velvet-textured spines" covered with cilia, a latin word ...

Cell division in a frog egg, a microscopic time lapse video

In a feat of DIY time lapse filmmaking at a microscopic scale, wildlife filmmaker and photographer Francis Chee captured the cell division of a Rana temporaria common frog egg. Watch it transform from a few cells to.....

How to practice effectively…for just about anything

Mastering any physical skill takes practice. Practice is the repetition of an action with the goal of improvement, and it helps us perform with more ease, speed, and confidence. But what does practice actually do to m...

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...

An up close look at fingerprints and sweat glands

Zoom in to see this fingertip's epidermal ridges, those tiny lines, whorls, loops, arches, and valleys that are unique to each person on the planet. This macro and time lapse footage, filmed by Time Lapse Vision, an i...

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