The Largest Known Star
Youth Science
What is the largest star in the Universe? And why is it that large? And what ARE stars anyway?
Build A Simple Electric Motor
Kids Science
Here is a fun way to create your own motor.
Photosynthesis & Transpiration
Youth Science
What do plants need? Students examine the effects of light and air on green plants, learning the processes of photosynthesis and transpiration.
How Electricity Actually Works
Adults Science
Electricity is related to magnetism, both being part of the phenomenon of electromagnetism...
Why are cockroaches so hard to kill? - Ameya Gondhalekar
Adults Science
Dig into the genetic adaptations of cockroaches, and find out what makes it so hard to get rid of these tenacious creatures.
The Department of Redundancy Department
Adults Science
Who needs redundancy? Well, everyone, it turns out.
Stars For Kids
Kids Science
On a dark clear night, you can see a sky full of stars. But what is a star?
What is Sustainability
Adults Science
Learn about the various ways that sustainability is defined.
Crash Course Anatomy & Physiology Preview
Adults Science
We made flashcards to help you review the content in this series! Find them on the free Crash Course App!
Living And Nonliving Things
Kids Science
Living things are called organisms, and anything from a blue whale to a spot of mold can be a living organism!
Why Does Salt Make Food Taste Better?
Adults Science
Salt doesn’t just make things salty! It has a lot of different effects on how we perceive flavors!
The Antarctic Mountaineer Life
Youth Science
Find out what it's like to be a mountaineer stationed in Antarctica.
Earth Day 2022
Kids Science
Learn all about Earth Day in this video! You'll learn why Earth Day is a holiday, how to participate, and more!
Smart Chain Mail
Youth Science
Researchers have developed a new kind of material with adjustable and reversible properties.
Why are insects important?
Adults Science
Insects pollinate plants. While bees and butterflies get all the credit, moths, wasps, ants and beetles are also pollinators. Insects are integral to our food systems as one-third of food crops depends on the important work of pollinators.
Why Don't Fish Freeze In Winter?
Kids Science
Squeaks wants to know what happens to fish when the seasons change and the pond freezes in winter!
Have You Ever Seen An Atom?
Youth Science
Scientists at the University of California Los Angeles have found a way to create stunningly detailed 3D reconstructing of platinum nanoparticles at an atomic scale.
Symbiotic Fungi
Youth Science
David Attenborough encounters a parasitic fungi that lives off the plants it inhabits.
The Water Cycle For Kids
Kids Science
In The Water Cycle for Kids, you will learn all four stages of this process, and you may even discover that you've seen it in action many times!
Are There Rainbows On Mars?
Youth Science
NASA scientist Mark Lemmon explains why the Red Planet is a rainbowless world.
How To Grow Bean Plant
Kids Science
What do plants need to grow? Watch this video to learn how to grow a bean plant!