TED-Ed
TED-ED: A guide to the energy of the Earth - Joshua M. Sneideman
Energy is neither created nor destroyed - and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through our...
Bozeman Science
Mitochondria: The Powerhouse of the Cell
In this video Paul Andersen explains how the mitochondria generates energy for the cell through aerobic respiration. He also explains how research into the organelle has shown its importance in eukaryotic evolution.
Crash Course
Environmental Econ: Crash Course Economics
So, if economics is about choices and how we use our resources, econ probably has a lot to say about the environment, right? Right! In simple terms, pollution is just a market failure. The market is producing more pollution than society...
TED Talks
Larry Burns: The future of cars
General Motors veep Larry Burns previews cool next-gen car design: sleek, customizable (and computer-enhanced) vehicles that run clean on hydrogen -- and pump energy back into the electrical grid when they're idle.
TED Talks
Patricia Burchat: Shedding light on dark matter
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
TED Talks
Rob Hopkins: Transition to a world without oil
Rob Hopkins reminds us that the oil our world depends on is steadily running out. He proposes a unique solution to this problem -- the Transition response, where we prepare ourselves for life without oil and sacrifice our luxuries to...
TED Talks
Gian Giudice: Why our universe might exist on a knife-edge
The biggest surprise of discovering the Higgs boson? That there were no surprises. Gian Giudice talks us through a problem in theoretical physics: what if the Higgs field exists in an ultra-dense state that could mean the collapse of all...
SciShow
Genesis, IBEX, and Cassini: SciShow Talk Show
Dan Reisenfeld from the University of Montana joins us this week to talk about his work with three different NASA missions (Genesis, IBEX, and Cassini), and Jessi from Animal Wonders brings along Ginger and Maui the Green Cheek Conures!
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
We're Getting Closer to Predicting Solar Flares | SciShow News
A new model has been able to predict solar flares with up to about 20 hours of warning, and our galaxy is farting blobs of cold gas inside the Fermi Bubbles!
SciShow
These Migrating Birds Fuel Up by Eating…Mud?
A marathoner needs a lot of energy to make their long distance treks, and this is no different for migratory birds. But how are these marathon flyers getting that energy from the mud they’re slurping off of beaches along the way?
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 Don't Sleeping Bats Fall Down?
Bats sleep upside down, so how come they don't fall? Turns out that they've got some unusual legs.
MinutePhysics
Einstein's Proof of E=mc2
Ever wonder how Einstein proved E=mc2? This is how. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old
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!
MinutePhysics
The Twins Paradox Hands-On Explanation | Special Relativity Ch. 8
This video is chapter 8 in my series on special relativity, and it presents a hands-on explanation of the resolution to the Twins Paradox using the mechanical minkowski diagram, aka mechanical Lorentz transformation, aka spacetime globe....
SciShow Kids
What Are Owl Pellets?
Jessi and Squeaks want to learn about what (and how) owls eat! Time to experiment!
TED Talks
Kent Larson: Brilliant designs to fit more people in every city
How can we fit more people into cities without overcrowding? Kent Larson shows off folding cars, quick-change apartments and other innovations that could make the city of the future work a lot like a small village of the past.
PBS
The Oh My God Particle
In 1991 a single atomic nucleus slammed into our atmosphere with the intensity of a macroscopic object. It's been named The Oh-My-God particle.
TED Talks
Donald Sadoway: The missing link to renewable energy
What's the key to using alternative energy, like solar and wind? Storage -- so we can have power on tap even when the sun's not out and the wind's not blowing. In this accessible, inspiring talk, Donald Sadoway takes to the blackboard to...
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...
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...
TED Talks
Jedidah Isler: How I fell in love with quasars, blazars and our incredible universe
Jedidah Isler first fell in love with the night sky as a little girl. Now she's an astrophysicist who studies supermassive hyperactive black holes. In a charming talk, she takes us trillions of kilometers from Earth to introduce us to...