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World's Grumpiest Cat

Youth Animals Nature Humor

Dinnertime is a gamble for Pallas’s cats, and this one’s hangry.

World's Best Night Vision Goggles

Adults Life Science Technology...

We visited the US Navy to test the best night vision goggles in the world.

Diplocaulus: An Ancient Animal

Youth Animals History Science...

Squeaks and Jessi discover an animal with a head that reminds them of a boomerang.

Primitive Technology: Volute Shaped Blower

Adults Construction Creativity Education...

I made a volute shaped blower where the housing for the fan is volute shaped, that is to say a widening spiral to test the effectiveness of a one way spinning impeller.

All Better Muffin

Kids Animals Ecology Health...

Can we help Muffin, the baby sparrow, get all better?

Animated Maps: Tectonic Plate Movement

Youth History World Science...

This set of 41 paleo-elevation models (DEM) represents the changing paleogeography of the oceans and continents back to 540 million years ago.

Hitchhiking Crab Finds Love | Planet Earth III | BBC Earth

Adults Animals Life Nature...

After being carried away by ocean currents, this Columbus crab is marooned on a temporary home of discarded fishing nets.

What Is Misinformation?

Youth Education Reading Media...

What types of misinformation might we see online? And why is it out there? KN contributor Aubrie Chan animated this video to help you understand the term better.

Historian Breaks Down Napoleon's Battle Tactics | WIRED

Adults Creativity History Human...

"Love him or hate him, Napoleon is a figure probably unrivaled in modern history." Today Jonathon Riley, a British General and historian, breaks down French emperor Napoleon Bonaparte's most prominent battles and utilized war tactics.

Christmas Is Almost Here

Kids Fun Movement Music...

This holiday song is all about that special time of year being so very near.

Word Processing Software 1

Youth How-to Productivity Writing...

Get started on using word processing software.

How Did Humans Evolve? Crash Course Biology #19

Adults Health Human Science...

What’s a human? And how did we become humans, anyway?

Tree-Kangaroos

Youth Animals Ecology Nature

Get ready to embark on an enchanting journey through the treetops with the adorable tree-kangaroo.

What Cheese makes the best Mac & Cheese?

Adults Film Food Media...

Today, I want to answer a question I’ve been wondering about for years, and that is What cheese makes the best Mac & cheese?

Elmo Learns About Science

Kids Science Technology Education

Elmo learns all about the different jobs that scientist do! They can study space, bugs, rocks, and more!

How Do Polar Bears Walk On Ice?

Youth Animals Ecology Nature...

Are you wondering how polar bears walk on ice and snow? Let's find out together.

Why the wrong people end up in power | Brian Klaas, Bill Eddy, & more

Adults Human Politics World...

This is the psychology of an authoritarian unpacked.