TED Talks
Karen Lloyd: The mysterious microbes living deep inside the earth -- and how they could help humanity
The ground beneath your feet is home to a massive, mysterious world of microbes -- some of which have been in the earth's crust for hundreds of thousands of years. What's it like down there? Take a trip to the volcanoes and hot springs...
SciShow
5 Things We Still Don't Know About the Solar System
We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.
SciShow
Could Humans Ever Breathe Water?
Wouldn’t it be wonderful if we could breathe underwater? But is it even possible?
Crash Course
The Earth
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
SciShow
The Carbon Impact of the World’s Largest Mass Migration
The Carbon Impact of the World’s Largest Mass Migration
SciShow
From Old-School Gardening to the Future of Food
From the starter plants in your window to giant agriculture, there's a lot of science to cover before dinner.
SciShow
The Two-Faced Role of Planetary Magnetic Fields
Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a...
SciShow
How Antarctica Froze Over
Antarctica wasn't always covered in kilometer thick ice sheets, in fact, scientists have spent years figuring out what turned this once lush continent into its current icy state.
SciShow
Why We Love Sugar
Hank talks about a sweet-tasting substance we humans just love - where it comes from, why we need it and how we could maybe stand to love it a little less.
SciShow
Why Crocodiles Have an Extra Hole in their Heart
Crocodiles have four-chambered hearts, just like we do! But, while our hearts do just fine with four valves, they have a slightly different approach…
Crash Course
The Future of Clean Energy: Crash Course Engineering #31
This week we are exploring alternative energy sources. We'll look at how biomass can be burned as a fuel source, how hydrogen can be used in a fuel cell to generate electrical power, and how nuclear fission provides power to the grid....
SciShow
If Tomatoes Could Talk, Here’s What They’d Say | SciShow News
We’d pictured the plant-fruit relationship as one-way, but new research reports that sometimes the fruit can talk back! And while cow burps are a widely cited contributor to climate change, it turns out that wild pigs might also be...
Crash Course Kids
The Great Picnic Mix Up
So you know that iced tea you like so much? Or that sweet soda drink? They're actually a few different things combined to make a new thing. In this episode of Crash Course Kids, Sabrina talks about all the different mixtures, solutions,...
SciShow
How Living on Mars Would Make Life Better on Earth
If we ever want to live, sleep, eat, and breathe on Mars, we are going to need some the best tech humans can dream up - and as a bonus that tech might actually help tackle challenges right here on Earth!
SciShow
How Do Marine Mammals Hold Their Breath For So Long?
How is it possible for air-breathing marine mammals like sperm whales and elephant seals to hold their breath for so long?
Bozeman Science
Chemical Change
In this video Paul Andersen explains how chemical differs from physical change. In the laboratory macroscopic observations are used to infer changes at the particulate level. Evidence for chemical change include gas production, change...
Crash Course
Polarity Resonance and Electron Pushing - Crash Course Organic Chemistry
We’ve all heard the phrase “opposites attract.” It may or may not be true for people, but it’s definitely true in organic chemistry. In this episode of Crash Course Organic Chemistry, we’re learning about electronegativity, polarity,...
Bozeman Science
Cell Membranes
Paul Andersen explains how cells are selectively permeable with the help of their cell membrane. The main constituents of the cell membrane, including cholesterol, glycolipids, glycoproteins, phospholipids, and proteins are included. ...
Bozeman Science
Transport Across Cell Membranes
Paul Andersen describes how cells move materials across the cell membrane. All movement can be classified as passive or active. Passive transport, like diffusion, requires no energy as particles move along their gradient. Active...
SciShow
Everything You Ever Wanted to Know About Poop
Here on SciShow, we've talked a lot about poop and the science behind one of the more private aspects of our lives. So, our gift to you is a collection of just SOME of our poop-related episodes. Happy Holidays!
SciShow
3 (Actually Safe) Ways to Fight Climate Change
Climate change is happening we all need to get serious about limiting our carbon dioxide emissions! At the same time, scientists are looking for plan B because we might need it.
Bozeman Science
The Respiratory System
Paul Andersen starts this video with a description of the respiratory surface. He explains how worms, insects, fish and mammals take in oxygen and release carbon dioxide. He then tours the major organs of the respiratory system; from...
TED Talks
Kristie Ebi: How climate change could make our food less nutritious
Rising carbon levels in the atmosphere can make plants grow faster, but there's another hidden consequence: they rob plants of the nutrients and vitamins we need to survive. In a talk about global food security, epidemiologist Kristie...