SciShow
Why Don't Comets Ever Have a Green Tail?
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?
Bozeman Science
Thinking in Matter - Level 4 - Conservation of Matter
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter. TERMS Matter - physical substances Atoms - the basic unit of elements Conservation - the quantity of a physical quantity remains...
SciShow
Is Sugar Alcohol as Awesome as It Sounds?
Sugar alcohol sounds like a fun adult dessert, but what is it really?
SciShow
Why Does Cold Brew Coffee Taste Better?
Like it or hate it, cold brew coffee definitely tastes different than regular ol' drip, and it's all thanks to science.
SciShow
How Quantum Mechanics Affects Your Life
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...
SciShow
3 Amazing Objects to Check Out with Your New Telescope
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
Dry New Planets and The Search for Dirty Aliens
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.
SciShow
Ingredients for Life On a Comet, and Mars's Close-Up
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.
SciShow
Airglow: Why The Night Sky Is Really Green
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.
SciShow
Do Humans Have Pheromones?
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. Chapters View all A...
PBS
Life on Europa?
The Hubble Telescope found more evidence of vast plumes of water bursting through the icy surface of Jupiter's moon Europa. What does this tell us about the potential for life on Europa?
SciShow
The World's Most Asked Questions | Compilation
A while back, we were tasked with answering some of the world's most asked questions. So here, in one convenient location, are some of those questions and their answers.
SciShow
Why Do Things Fade in the Sun?
Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens.
SciShow
More New Earth-like Planets Nearby!
Between the new, potentially Earth-like planets, organic molecules on Ceres, and SpaceX's successful launch, it's been quite a week in space!
SciShow
How a Carnivorous Snail Is Advancing Medicine
Cone snails are venomous marine snails who use their venom in creative ways to take down their prey. And scientists have realized that certain chemicals in these venoms could actually be pretty useful for medicine.
TED-Ed
TED-ED: RNAi: Slicing, dicing and serving your cells - Alex Dainis
RNA, the genetic messenger, makes sure the DNA recipe gives your cells exactly what they ordered. But sometimes that means inhibiting some other RNA that got the recipe wrong. This process is called RNA interference (RNAi), and it acts...
Crash Course
Synthesis and Column Chromatography: Crash Course Organic Chemistry
Even though all living things have a lot in common, different organisms can have very different reactions to the same organic chemicals. That means it’s really important for organic chemists to be able to purify chemicals and separate...
TED Talks
TED: When I die, recompose me | Katrina Spade
What if our bodies could help grow new life after we die, instead of being embalmed and buried or turned to ash? Join Katrina Spade as she discusses "recomposition" -- a system that uses the natural decomposition process to turn our...
Amoeba Sisters
Properties of Water
Explore some properties of water with the Amoeba Sisters! It's all about those hydrogen bonds.
Amoeba Sisters
Cell Transport
Explore the types of passive and active cell transport with the Amoeba Sisters! Table of Contents: Intro 00:00 Importance of Cell Membrane for Homeostasis 0:41 Cell Membrane Structure 1:07 Simple Diffusion 1:45 What does it mean to "go...
SciShow
10 Surprising Chemicals Your Body Makes
Everything is made of chemicals, including the human body, but there are some especially weird ones
TED-Ed
TED-ED: How to spot a counterfeit bill - Tien Nguyen
Authentic dollar bills are equipped with many security features to make them difficult to forge. But that doesn't stop counterfeiters from trying to fool people with fakes. Luckily, anyone can help catch a counterfeit; all you need are a...
SciShow
The Curiosity Rover's Most Amazing Discoveries
It might feel like it was only yesterday that the Curiosity rover touched down on Mars, but in August, the rover celebrated its fifth birthday! For a kindergartener, it's made some really impressive discoveries.