One could say that snowflakes are simply frozen water — but if you compare a snowflake to an ice cube, you’ll notice a big difference. Why are all snowflakes six-sided? Why are none of them exactly the same? And how do we ski on them?...

Airplanes are one of the quickest ways to get anywhere, but commercial jets haven't gotten much fast since the 1950's. Why is that?

Dogs are humanity’s go-to friend when it comes to super sniffers, but here are 6 other creatures that give puppers a run for their money.

Every star we see in the sky has at least one planet orbiting it, says astronomer Sara Seager. So what do we know about these exoplanets, and how can we find out more? Seager introduces her favorite set of exoplanets and shows new...

Want to learn more about the topic in this week's video? Here are some key words/phrases to get your googling started:

- Condensation - the process of water molecules glomming together into visible dro
plets
- Condensation...

For some people, fava beans can be deadly. What is it about this little legume that makes it so?

Mark Shaw demos Ultra-Ever Dry, a liquid-repellent coating that acts as an astonishingly powerful shield against water and water-based materials. At the nano level, the spray covers a surface with an umbrella of air so that water bounces...

Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It's how leaves work.

Paul Andersen explains patterns and describes why pattern recognition is an important skill in science and engineering. He begins by discussing patterns in nature, including snowflakes, flower petals, seasons and nucleotides in DNA. He...

A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool

For as far back as we can trace our existence, humans have been fascinated with death and resurrection. But is resurrection really possible? And what is the actual difference between a living creature and a dead body anyway? Randall...

What is it about snakes that intrigues us so much? Is it their deadly venom, their spongey mouths, or their international travel?

Inside chemistry labs, chemists work with what they call superacids. No one's found a specific use for such a fantastically strong acid yet, but chemists are actively looking for one.

Astronomers have finally observed what causes pulsating auroras, and our estimates of the mass of the Andromeda Galaxy have shrunk.

There’s no question that comets have been regarded as some of the most beautiful things in the night sky for thousands of years. But why are their heads often green but never their tails?

In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter.


TERMS
Matter - physical
substances
Atoms - the basic un
it of elements
Conservation - the quantity of a...

Sugar alcohol sounds like a fun adult dessert, but what is it really?

Like it or hate it, cold brew coffee definitely tastes different than regular ol' drip, and it's all thanks to science.

While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face! Chapters View all...

When astronomers study the universe, they’re often using telescopes that cost millions or even billions of dollars to build. Luckily for the rest of us, there are still plenty of incredible things to see in the sky with the more...

SciShow Space shares the latest news from space research, including the first definitive detection of water on an exoplanet, and a new theory for how we should search for alien civilizations.

How did earth get the ingredients for life? A new discovery from Comet 67P might hold some answers. And learn where to find Mars in the night sky from 75 million kilometers away.

If you look closely enough, you'll see the night sky is actually a little green. SciShow Space explains the science behind the phenomenon known as airglow.

Ever wonder if there's something about your scent that might be sending signals to the people around you? Well as it turns out, it's possible- but it winds up being a lot more complicated than you might think.

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