Topic: ecosystem

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The Grand Prismatic Spring: One of Nature’s Most Amazing Sights

Yellowstone National Park's Grand Prismatic Spring may be the nation's largest hot spring, but it's primarily known for its vibrant rainbow of colors. Created by the unique bacteria and algae that live within each hue...

It’s Okay to Be Smart: Why Do Clouds Stay Up?

Clouds are filled with so many water droplets that they're actually heavy... like 100 elephants heavy or a 747 airplane heavy! So why don't clouds fall out of the sky? It's Okay to Be Smart's Joe Hanson explains every...

Sea cucumbers are underwater vacuum cleaners

Join biologist Professor Ove Hoegh-Guldberg on the ocean sandy floor of Australia's Great Barrier Reef to witness an incredibly important ecological process: sea cucumbers pooping. Why is this so important? When se...

Feedback loops: How nature gets its rhythms

A grasshopper eats grass, a rat can eat the grasshopper, a snake may eat the rat, and a hawk will eat the snake. When these food chains interweave, they create a food web. Plants and animals (including humans) live, e...

The Quest for Sea Ice: Swimming with polar bears and a camera

Follow a group of four polar bears as they swim in search of ice. Arctic Bear Productions filmmaker Adam Ravetch captured this footage by attaching a camera to one of the four animals. The big paws, the sun on the hor...

The Burrowing Owl’s Cozy Home

Owls that live underground! The Burrowing Owl's Cozy Home is a vacant prairie dog hole, a cool alternative (around 59F or 15C) to the extreme heat above ground. They eat small rodents, insects, amphibians, and reptile...

Urban Gardeners Grow Crops in Spare Spaces

Urban garden designer Meredith Sheperd describes how growing fresh fruit and vegetables can be a successful part of city life, despite limited space and resources. From National Geographic, explore a variety of Washin...

Ocean Confetti: The challenge of micro-plastics

Minute Earth: Ocean Confetti, how our plastic trash gets broken down into minuscule bits called micro-plastics. So what can we do to help? Pair the above with this super-informative video from the NRDC: Stop Marine P...

Ecosystem Engineers: How do beavers build dams?

How does one of nature's best ecosystem engineers go about revitalizing the landscapes around them? From PBS Nature, this is how North American beavers build dams. Related reading at Pawnation: Importance of Beavers ...

A Deer Migration You Have to See to Believe

Traverse three highways, multiple water crossings, sand dunes, and over 100 fences in A Deer Migration You Have to See to Believe. This National Geographic video by Joe Riis shares the incredible yearly journey of mul...

Science Friday: Suckers for Sap

Maple trees + good timing + basic chemistry = maple syrup. But Science Friday takes us behind the scenes of maple syrup research to show that there’s much more to it than that. While the tr...

Onward: Searching for Life in Iceland’s Frigid Fissures

In Onward: Searching for Life in Iceland’s Frigid Fissures, National Geographic grantee and biology researcher Jónína Ólafsdóttir goes diving in search of tiny arthropods in the underwater volcanic fissures of ...

Polar Bears Eat Goose Eggs: New eating habits in warmer climates

Polar Bears Eat Goose Eggs in the Arctic’s summer months, but now scientists are studying how melting sea ice might affect the bears’ eating habits in the years to come. Will more eggs be on their menu? U...

Alaska: The Nutrient Cycle

Alaska: The Nutrient Cycle by wildlife filmmaker Paul Klaver. Once they enter fresh water chum salmon stop feeding and morph into an aggressive creature intent only on mating. After spawning, they die and their b...

Meet the Natives: Wild Bees

As honey bee populations decline (from pesticide and fungicide use, parasites, and a mix of other factors), scientists like entomologist Claudio Gratton are exploring the exciting idea of pollinating our plants and c...

Dance of the Honey Bee

Dance of the Honey Bee from AbelCine. Watch more bee videos in the archives. Bees are also in the news. via @billmckibben.

Fish Tornado: a behind-the-scenes look at the famous photograph

This short, silent video shares a few behind-the-scenes moments from the ”fish tornado” photograph, titled David and Goliath, taken in Cabo Pulmo, Baja California Sur, Mexico by photographer Octavio Aburto...

TED Ed: You Are Your Microbes

Every gut microbe has a job to do. Find out who these millions of different microbes are and what their jobs are within the ecosystem that is you, from the wonderful TEDEd. Full lesson here. ...

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