Topic: ecosystem

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Tour the Galápagos Islands’ new marine sanctuary

Spend two and a half minutes with the creatures flourishing in Ecuador's new Galápagos Islands marine sanctuary thanks to this footage filmed by National Geographic's Pristine Seas team. The Belgium-sized conservation...

Saving the Andean Bear, South America’s only bear species

In the diverse mountain habitats of the Andes Mountains, the Andean bear, also known as the spectacled bear because of the mask-like fur around its eyes, is the focus of multiple conservation efforts. Local government...

Look Inside The Doomsday Vault That Protects Seeds Of The World

On the Norwegian island of Spitsbergen, the Svalbard Global Seed Vault protects around 865,000 seed samples from all over the world. Most of those seeds are of staple crops. "There are nearly 160,000 samples of wheat,...

Save the salamanders, unsung heroes of the forest

In an effort to avoid a "salamandergeddon" in the United States, the extinction of entire species of salamanders and other amphibians by a fungal disease known as Bsal, the U.S. banned the import of more than 200 spec...

How do living things change their environments?

Think about your day, from when you wake up, to where you spend your day, to your bedtime routine at night. Crash Course Kids asks, "What pieces of it are a result of human intervention? Where did these pieces come fr...

Weather vs. Climate + Severe Weather – Crash Course Kids

Weather vs. climate... are they the same thing? In this episode of Crash Course Kids, Sabrina Cruz explains the differences: Weather refers to the day to day conditions of where you are on the planet. Climate refers t...

Why is biodiversity so important? – TED Ed

Biodiversity, short for biological diversity, is the term we use for the variety of animals, plants, fungi, bacteria, and other intertwined life forms within any ecosystem... "from towering redwood trees to tiny, sing...

Millipedes – The First Land Animals – The Brain Scoop

Famous for their many legs, millipedes are arthropods that date back more than 420 million years. As detritivores, their vegetarian diet of leaf litter and other organic matter helps to keep our ecosystems in balance ...

The Unlikely Tale of a Tenacious Snail – Science Friday

Not seen or collected for science since 1933, the oblong rocksnail of Alabama's Cahaba River was declared extinct in 2000. In 2011, biology grad student Nathan Whelan took a second look at a tiny rock he had picked up...

Sea fans, barracuda & a giant clam in 4K – Earth Touch

Yellowtail barracuda, a giant clam, a sea cucumber, scorpionfish, gorgonian sea fans, and more: Earth Touch takes us underwater to Phi-Phi National Marine Reserve's Bida Nok in the Andaman Sea, Thailand. Beautiful, fu...

Home Sweet Habitat & Food Webs – Crash Course Kids

Why isn't a polar bear happy in the desert? Why aren't spider monkeys essential in the Arctic? In this episode of Crash Course Kids, Sabrina Cruz explains how habitats provide animals with the air, food, water, shelte...

Gyrecraft – Transforming sea plastics into valuable objects

From Azusa Murakami and Alexander Groves of Studio Swine, this is Gyrecraft, a term that references the swirling gyres in which micro-plastics can be found, and scrimshaw craft, the now verboten pastime of whale tooth...

Underwater Caves of the Yucatán Peninsula – Wonders of Life

In the jungles of Yucatán Peninsula, crystal clear cenotes -- from the Mayan word ts’onot meaning "sacred well" -- fuel their surrounding ecosystems with fresh water. Numbering in the thousands, these flooded sinkhole...

The Greater Sage-Grouse’s courtship ritual & The Sagebrush Sea

From The Cornell Lab of Ornithology, this is a Greater Sage-Grouse, "our North American Bird of Paradise" who performs an elaborate courtship ritual full of strutting, puffing, and making a sound that's similar to whe...

The Four Spheres (Geo, Bio, Hydro, & Atmo) with Crash Course Kids

The ground or geo-sphere, water or hydro-sphere, air or atmo-sphere, and life or bio-sphere: Earth and everything on it can be organized into these four distinct yet interconnected subsystems. Knowing more about each ...

Deepwater Horizon oil spill – Where did the oil go?

In April of 2010, a BP Deepwater Oil rig in the Gulf of Mexico exploded, killing eleven workers and unleashing an unprecedented amount of sticky black crude into the gulf waters, beaches, wetlands, and surrounding eco...

From Drifter to Dynamo: The Story of Plankton – Deep Look

Mind-blowing fact: A massive group of single-celled algae called diatoms are considered champions of photosynthesis. Why? Diatoms are responsible for an estimated 20% to 40% -- maybe even 60% -- of the Earth's oxygen....

NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

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