So, variables. There are lots of them when trying to test an idea. The trick is to isolate one variable at a time to get reliable results every time. But, how do we do that? In this episode of Crash Course Kids, Sabrina shows us how to...

What does it take to be a pro gamer? Esports expert William Collis charts the rise of the multibillion-dollar competitive gaming industry and breaks down three skills needed to master video games like Fortnite, League of Legends and...

Jessi teaches Squeaks all about Dung Beetles, a special kind of insect that pushes around something that might surprise you.



Next Generation Science Standar

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Disciplin
ary Core Idea: LS1.A
"Different...

We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the...

How does a robin know to fly south? The answer might be weirder than you think: Quantum physics may be involved. Jim Al-Khalili rounds up the extremely new, extremely strange world of quantum biology, where something Einstein once called...

Energy is the most powerful and useful concept in all of physics, but what exactly is it?

The snow is really coming down where Jessi lives, so she and Squeaks decided to stay indoors where it's nice and warm and look back on some of the amazing things they've learned about winter! Grab a fuzzy sweater and a mug of cocoa and...

Even science can't yet explain these 7 extremely cool, weird phenomena in the universe, despite decades or even centuries of research.

Cha
pters
BALL
LIGHTNI
NG

1:09
> 3:07r/> SON
IC BOOM
...

The star-mapping satellite Gaia has found more than 20 stars speeding across the Milky Way toward intergalactic space. There are just a few things that can slingshot a star out of a galaxy and all of them take some extreme gravitational...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

What is a border? It's a line on a map, a place where cultures mix and merge in beautiful, sometimes violent...

Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth's temperature by even two degrees could lead to catastrophic effects across the world. But how can such a tiny, measurable change in one factor lead to...

You need it, you love it, you probably live on it: it's land! But have you ever thought about where land even comes from?

MacArthur winner Sendhil Mullainathan uses the lens of behavioral economics to study a tricky set of social problems -- those we know how to solve, but don't. We know how to reduce child deaths due to diarrhea, how to prevent...

Do you ever talk to your dog? Do they ever talk back? Humans and dogs have a truly amazing relationship, developed along an evolutionary journey that goes back nearly 10,000 years. Do they really understand what we say, think, and feel?...

This is it! The final episode of CC Literature season 4 is a deeper look at Jane Austen's Pride and Prejudice. Today we'll explore the novel's take on materialism, and we'll talk about whether the novel has a liberal or conservative...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on testing causes.

T
ERMS:
Tests - a planned act that is done to learn
something
Cause - a thing that gives r
ise to an event
Support - t
o give...

We thought that we taught dogs how to play fetch, but some adorable wolf pups may have just proved us wrong. Also some plants may be immortal?

In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos's shot sent the ball flying wide of the players, but just before going out of bounds it hooked to the left and...

With all the intensity and brilliance for which he is known, Alan Kay envisions better techniques for teaching kids by using computers to illustrate experience in ways -– mathematically and scientifically -- that only computers can.

How can we be so sure of the way celestial bodies behave when they're so far away? With the help of some speakers, garbage cans, and springs of course.

For the past 90 years, the predictions laid out Einstein's general theory of relativity have continued to be confirmed by experimental science. The last hold out is gravitational waves - the idea that certain gravitational events cause...

Our laws of physics are equations of motion, along with some associated constants. We've talked about the symmetries of these equations, and how they lead us to conserved quantities. But this is just the tip of the theoretical iceberg -...

Ever tried to comb a hairy ball? Math says you failed!

The first time scientists found exoplanets, they were orbiting something very different from our sun: a pulsar.<br/>