SciShow
Everything You Need to Know About Living on Mars
Scientists are constantly researching different ways people could potentially live on Mars. Start making your future Martian travel plans with this collection of videos about the unique challenges of putting humans on Mars.
SciShow
5 Things We Can Learn From Alaska
Science probably isn’t the first thing that pops into your head when you think about Alaska, but it has a lot to offer when it comes to learning about the world, from cold corals to our behavior.
TED Talks
Jonathan Foley: The other inconvenient truth
A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. Jonathan Foley shows why we desperately need to begin "terraculture" -- farming for...
TED-Ed
The world's most dangerous fart | Nick Caruso and Dani Rabaiotti
For most humans, farts are a welcome relief, an embarrassing incident, or an opportunity for a gas-based gag. But for many other creatures, farts are no laughing matter. Deep in the bowels of the animal kingdom, farts can serve as tools...
TED Talks
Sara Seager: The search for planets beyond our solar system
Every star we see in the sky has at least one planet orbiting it, says astronomer Sara Seager. So what do we know about these exoplanets, and how can we find out more? Seager introduces her favorite set of exoplanets and shows new...
TED Talks
TED: A forgotten Space Age technology could change how we grow food | Lisa Dyson
We're heading for a world population of 10 billion people -- but what will we all eat? Lisa Dyson rediscovered an idea developed by NASA in the 1960s for deep-space travel, and it could be a key to reinventing how we grow food.
SciShow
Tour the Solar System with SciShow Space
Did you know SciShow has a whole channel dedicated solely to space? Well, we hope you packed warm, cause we’re taking you on a tour through the solar system with these SciShow Space episodes!
TED Talks
Bill Clinton: My wish: Rebuilding Rwanda
Accepting the 2007 TED Prize, Bill Clinton asks for help in bringing health care to Rwanda -- and the rest of the world.
TED Talks
TED: Salvation (and profit) in greentech | John Doerr
I don't think we're going to make it, John Doerr says in an emotional talk about climate change and investment. To create a world fit for his daughter to live in, he says, we need to invest now in clean, green energy.
TED Talks
Lord Nicholas Stern: The state of the climate — and what we might do about it
How can we begin to address the global, insidious problem of climate change — a problem that's too big for any one country to solve? Economist Nicholas Stern lays out a plan, presented to the UN's Climate Summit in 2014, showing how the...
TED Talks
TED: Inside an Antarctic time machine | Lee Hotz
Science columnist Lee Hotz describes a remarkable project at WAIS Divide, Antarctica, where a hardy team are drilling into ten-thousand-year-old ice to extract vital data on our changing climate.
SciShow
5 Things We Learned About Climate Change
Hank boils down a new report from the United Nations about global warming and tells you five things you really need to know about our warming world.
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...
PBS
The Last Time the Globe Warmed
Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far)
TED Talks
Kelly Wanser: Emergency medicine for our climate fever
As we recklessly warm the planet by pumping greenhouse gases into the atmosphere, some industrial emissions also produce particles that reflect sunshine back into space, putting a check on global warming that we're only starting to...
TED Talks
Michael Green: Why we should build wooden skyscrapers
Building a skyscraper? Forget about steel and concrete, says architect Michael Green, and build it out of … wood. As he details in this intriguing talk, it's not only possible to build safe wooden structures up to 30 stories tall (and,...
TED-Ed
TED-Ed: What if there were 1 trillion more trees? | Jean-François Bastin
Today humanity produces more than 1,400 tons of carbon every minute. To combat climate change, we need to reduce fossil fuel emissions, and draw down excess CO2 to restore the balance of greenhouse gases. Like all plants, trees consume...
TED-Ed
How much land does it take to power the world? | TED-Ed
No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert it into electricity. Nuclear power takes uranium mines, facilities to refine it, a reactor, and a place to store the spent fuel safely....
TED Talks
Stewart Brand + Mark Z. Jacobson: Debate: Does the world need nuclear energy?
Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons. A discussion that'll make you think -- and might...
SciShow
Why Our Nights Are Getting Hot
The average global temperature is on the rise, evidenced by the ten warmest years on record happening since 2005. But this isn’t just about greenhouse gases preventing heat from escaping. Another culprit comes in the form of…clouds.
Crash Course
What Does the Atmosphere Do Crash Course Geography
Much like a cell membrane, our atmosphere forms a protective boundary between outer space and the biosphere that allows for all life to exist on Earth’s surface. Today, we’re going to talk about its composition and layers (the...
TED-Ed
Why good ideas get trapped in the valley of death -- and how to rescue them | TED-Ed
All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that's OK -- if they don't work, don't fill a need or for any number of reasons. One of the fields where this...
SciShow
The Siberian Traps: A 250 Million Year Old Crime Scene
The event that killed the dinosaurs 66 million years ago might be the most famous mass extinction ever, but it's not the only one in Earth’s history, nor is it the worst... not by a long shot.
SciShow
A Brief History of Life: Dinosaur Time!
The Great Dying hit life hard, but the species that survived took over the planet and diversified into many interesting forms, including the dinosaurs!