SciShow
Why Do Bruises Change Colors?
What happens in your body after you get a bruise? Quick Questions explains!
SciShow
SpaceX's Awesome New Craft, and 'Mega-Earth' Discovered
SciShow Space gives you the latest news from around the universe, including the discovery of a new class of exoplanet dubbed a "mega-Earth," and a tour of SpaceX's new crewed vehicle, the Dragon V2.
SciShow
Targeting Iron to Fight Cancer | SciShow News
Cancer treatment is hard on the whole body, but a promising treatment is looking to target cancer's appetite and leave the rest of our cells alone.
Bozeman Science
Systems
In this video Paul Andersen explains how systems are two or more objects that interact with one another. If a system has no relevant internal structure it can be treated as an object. The conservation laws apply to energy, charge and...
SciShow
Fire Fountains on the Moon
This week on SciShow Space News, researchers have figured out which gas drives fire fountain eruptions on the Moon. And you can send a message or your name to the Moon or Mars!
TED Talks
Thomas Thwaites: How I built a toaster -- from scratch
It takes an entire civilization to build a toaster. Designer Thomas Thwaites found out the hard way, by attempting to build one from scratch: mining ore for steel, deriving plastic from oil ... it's frankly amazing he got as far as he...
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
Gold: The Big Bling
Hank talks about a shiny element that has fascinated humans for millenia.
Curated Video
Where Did the Moon Come From?
SciShow Space takes you to the moon! Learn about the competing theories about how Earth's closest neighbor formed.
SciShow
Does the Sun Have Long-Lost Siblings?
The sun may have thousands of stellar siblings, many of them probably just like it, elsewhere in the galaxy. Find out how astronomers are looking for them, and learn about a match that could be our star's long-lost sibling!
SciShow
Horseshoe Crabs Saved My Life
Horseshoe crabs aren't really crabs, but they are super old, super cool, and they deserve your respect. Because they may have already saved your life. SciShow explains!
SciShow
The Surprising Secrets of Destroyed Exoplanets - SciShow News
Scientists are learning new things by looking at the remains of exoplanets, NASA has unveiled a new spacesuit design, and engineers fixed a problem from one hundred million kilometers away.
SciShow
How Can Orange Juice Make Your Kale Better?
No matter how much kale or spinach you eat, the bioavailability of non-heme iron doesn't increase, but the vitamin C in orange juice can actually help your body absorb more of it.
SciShow
How Much of Me Is "Star Stuff?"
Carl Sagan famously observed that we are all made of "star stuff." But what does that mean? And how much of you is really made of dead stars? SciShow Space explains!
Be Smart
How Poop Shapes the World
Waste not, want not.... right? Poop, in all of its various forms throughout nature, shapes the world in ways you might not imagine. One creature's waste is another's fuel, and all over nature these leftovers help new life spring up....
TED-Ed
TED-Ed: How a single-celled organism almost wiped out life on Earth - Anusuya Willis
There's an organism that changed the world. It caused the first mass extinction in Earth's history and also paved the way for complex life. How? Anusuya Willis explains how cyanobacteria, simple organisms that don't even have nuclei or...
SciShow
Mining Asteroids for Space Treasure!
In the quest to build colonies in space, one major hurdle to overcome getting materials for construction to the places they'll be needed. One of the most promising techniques for solving this problem involves some extraordinary space...
TED-Ed
TED-Ed: Oxygen's surprisingly complex journey through your body - Enda Butler
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside...
Crash Course
High Mass Stars
Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge...
SciShow
The Sweetest Rocks in Space
Sugars aren’t just for munching and crunching, they also make up our genetic code! So what does it mean to find sugars INSIDE meteorites?
Crash Course
What is Weathering? Crash Course Geography
Weathering breaks down rocks and creates sediments which become the raw materials for other rocks and the formation of our soils. And we call the process of moving that sediment erosion. In today's episode, we're just going to focus on...
SciShow
3 Extreme Climate Fixes
Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...
MinutePhysics
MAGNETS: How Do They Work?
ow do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
SciShow Kids
What Is the Sun Made Of? | Dr. Cecilia Payne-Gaposchkin
Have you ever wondered what the sun is made of? Dr. Cecilia Payne-Gaposhkin wondered that, too, and she used science to figure out the answer! Find out how she did that and more about her amazing life and...