TED-Ed
TED-Ed: The science of snowflakes - Maruša Bradač
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?...
TED-Ed
TED-Ed: How do geckos defy gravity? - Eleanor Nelsen
Geckos aren't covered in adhesives or hooks or suction cups, and yet they can effortlessly scale vertical walls and hang from ceilings. What's going on? Eleanor Nelsen explains how geckos' phenomenal feet allow them to defy gravity.
SciShow
Why Isn't Cling Wrap as Good as It Used to Be?
"Back in my day, cling wrap was so much better!" Have you ever wondered why cling wrap doesn't seem to work as well as you remember it to?
SciShow
How Weed Works: THC
Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana.
MinuteEarth
Why Are Leaves Green? Part 2
Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It's how leaves work.
SciShow
The Strongest Acids in the World
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.
SciShow
Why Can't You Donate Platelets After Taking Aspirin?
Curious why you can't donate platelets after taking aspirin? Wonder no more!
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?
SciShow
DNA: Not Just for Life Anymore!
Our DNA stores the information that makes us who we are, but that's not all it can do! There are applications for DNA that go way beyond its use for life, like storing data and folding it into complicated shapes.
TED Talks
TED: The science of scent | Luca Turin
What's the science behind a sublime perfume? With charm and precision, biophysicist Luca Turin explains the molecular makeup -- and the art -- of a scent.
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...
MinuteEarth
The Mystery of Asparagus Pee
FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started: Asparagus: a delicious, edible plant Odor: a smell, aroma Gas chromatography: a...
Crash Course Kids
What's My Property
What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which...
Amoeba Sisters
Intro to Cell Signaling
Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor. It includes the stages of cell signaling (reception, transduction, and response) and different types of signaling...
MinuteEarth
Why Are Leaves Green? Part 1
Have you ever wondered why leaves are green and not red, blue, or even black? We did too!
Crash Course
Nomenclature - Crash Course Chemistry
Ever feel like there's a international team of bad guys changing all of the easily remembered chemical names and turning them into test-failing, number-infused, pain in the neck names? Well... you're not wrong. IUPAC exists but try to...
SciShow
The Two Asteroids That Shouldn’t Be There
Space Clue: 203 Pompeja and 269 Justitia in the asteroid belt with evidence of being formed outside of it. But the real mystery is how they got there! And we again return to Ganymede with new evidence suggesting even more kinds of water...
Crash Course
Ecology - Rules for Living on Earth: Crash Course Biology
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...
MinutePhysics
How to Build a Teleporter with Aliens
The first 200 people to use http://skl.sh/minutephysics30 get 30% off a premium Skillshare subscription. This video is about the international system of units (SI), the international prototype kilogram (the IPK or "le grande k"), and...
Amoeba Sisters
Properties of Water
Explore some properties of water with the Amoeba Sisters! It's all about those hydrogen bonds.
SciShow
A Cure for Ebola, Rabies, & Other Virus Villains?
Viruses are among humanity's greatest threats and it seems like they're always one step ahead of us. But this week, biologists say that they've discovered a new weapon we can use against some of our most nefarious virus enemies - and it...
MinuteEarth
Why Is Poop Brown And Pee Yellow?
The pigments in our food all get destroyed on their way through our digestive system...so where do the colours of our poop and pee come from?
SciShow
Why Do Cats Like Catnip?
Catnip! Cats roll in it, rub their cheeks on it and paw at it... but what is it about this stuff that gets our feline friends caught up in such a frenzy?
SciShow
How Space Might Have Shaped Our DNA
The DNA inside our cells almost exclusively twists in one direction, but the reason for this might be out of this world!