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A Picture of the Milky Way's Supermassive Black Hole

Adults Science
This is an image of the supermassive black hole, Sagittarius A*, at the center of our Milky Way galaxy.

How the James Webb Space Telescope Will Unfold the Universe | John C. Mather | TED

Adults Science
The James Webb Space Telescope is a miracle of modern science and engineering.

How Do Insect Eyes Work?

Kids Science
Jessi and Squeaks learn all about how dragonflies see - did you know they have thousands of eyes?!

Water Fight!

Youth Science
So, what happens when there's not enough water? Well...not good things.

UV Plants Caught On Camera?

Youth Science
David Attenborough shows us the world through an insect's eyes, viewing plants and flowers in beautiful ultra-violet vision!

Why All Melodies Should Be Free for Musicians to Use | Damien Riehl | TED

Adults Science
Evoke a familiar tune in a song and get slapped with a lawsuit ... it's a tale almost as old as copyright itself.

The Huge Hexagon-Shaped Storm on Saturn

Youth Science
The sun is slowly rising over Saturn’s north pole, exposing an immense six-sided hurricane.

5 Density Science Experiments

Kids Science
If you want to see cool science experiments that are easy to do and learn about density, then you've come to the right place.

Gems, Minerals, Crystals & Rocks–What's the Difference?

Youth Science
How can you distinguish rock from a mineral? Is that a gem, or is it a crystal? Learn what all these words really mean in this video!

How To Find A Galaxy

Youth Science
Knowing the addresses of a thousand galaxies yielded a remarkable picture of our universe.

Illegal Sound

Adults Science
Why This Sound is Illegal to Play

Why Does Popcorn Pop?

Kids Science
Squeaks and Mister Brown are making popcorn for all of their friends, and learning all about how heat makes popcorn kernels pop!

How Fireflies Inspired Energy-Efficient Lights

Youth Science
Electricity accounts for around 5% of greenhouse gas emissions. So how can we make it more efficient? Belgian physicist Jean-Pol Vigneron and his team found the answer could lie within a firefly's abdomen.

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...

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!