SciShow
5 Animals With (Understandably) Poor Judgment
Evolution is a long, slow process - but sometimes, changes (often caused by humans) happen too quickly for a species to properly adjust. These scenarios are called evolutionary traps, and can lead species to make seemingly-illogical...
TED Talks
TED: A reality check on renewables | David MacKay
How much land mass would renewables need to power a nation like the UK? An entire country's worth. In this pragmatic talk, David MacKay tours the basic mathematics that show worrying limitations on our sustainable energy options ... and...
SciShow
Will the Opportunity Rover Survive This Dust Storm?
The global dust storm on Mars is threatening the Opportunity rover and the wind on Venus might be changing the length of its days.
PBS
Suicide Space Robots
Let's take a moment to remember the selfless sacrifices made by some amazing robotic explorers.
SciShow
RIP Philae? The Latest on the Comet Mission
SciShow Space News explains what happened to Philae, the first spacecraft on the surface of a comet, and shares what scientists say about the future of the mission.
TED Talks
TED: The case for optimism on climate change | Al Gore
Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A...
SciShow
This Amazing Mission Almost Failed After Launch
The ESA Hipparcos team worked for 20 years on the project, then had to watch as the mission ALMOST failed! But somehow, they turned it around, and today, this little-known mission has totally transformed what we know about space.
SciShow
Purple Bacteria: Turning Poop Into Biofuel
Scientists are turning wastewater into fuel, using special bacteria, and other scientists have unveiled bionic mushrooms that can produce electricity!
SciShow
The Hardest Things About Living on Mars
Creating a Mars colony is a dream for many people, but it comes with some unique and challenging problems.
SciShow
The SpaceX Explosion
What went wrong with SpaceX's Falcon 9 on September 1st? And an update on our old friend Philae!
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....
SciShow
3 Space Mission Problems in a Week - SciShow News
It's been a tough week for space missions, from a failed Soyuz launch to two emergency shutdowns of space-based telescopes.
SciShow
Could Solar Panels in Space Solve all Our Energy Needs?
We need more solutions for our energy needs, and one idea is straight out of science fiction: Solar panels, in space.
TED-Ed
TED-Ed: The incredible collaboration behind the International Space Station - Tien Nguyen
The International Space Station is roughly the size of a six-bedroom house and weighs more than 320 cars -- it's so large that no single rocket could have lifted it into orbit. Instead, it was assembled piece by piece while hurtling...
SciShow
Is the Power Grid Ready for Green Energy?
Despite the rise of renewable energy, the backbone of the power grid is fossil fuels. Adapting the grid to green energy sources is more complicated than flipping a switch.
TED Talks
TED: A vision of sustainable housing for all of humanity | Vishaan Chakrabarti
By 2100, the UN estimates that the world's population will grow to just over 11 billion people. Architect Vishaan Chakrabarti wants us to start thinking about how we'll house all these people -- and how new construction can fight climate...
TED Talks
Marjan van Aubel: The beautiful future of solar power
The Sun delivers more energy to Earth in one hour than all of humanity uses in an entire year. How can we make this power more accessible to everyone, everywhere? Solar designer Marjan van Aubel shows how she's turning everyday objects...
SciShow
Could We Have Saved the Opportunity Rover? - SciShow News
For more than a decade, Opportunity has been one of our best tools for understanding Mars, but after eight months of listening and hoping, it was officially time to put the rover to bed.
SciShow
A Ridiculously Huge Pair of Ancient Galaxies
Astronomers have found a couple galaxies that were much larger than expected, and the Opportunity rover might be in for some harsh Martian weather!
SciShow
How 19th Century Lighthouses Power Advanced Space Drives
The technology we use for space exploration gets more advanced all the time, but some of our most ambitious programs actually rely on optics invented in the 19th century for lighthouses.
SciShow
We're Running Out of These Elements — Here's How
Phones, TVs, solar panels, and electric car batteries are all made of some rare and unusual elements. As our modern world creates more and more of these technologies, will things go from "rare" to "nonexistent" and what will we do then?
SciShow
5 Inventions Showing Us the Future of Solar Energy
When you imagine the energy of the future, solar power is probably in the picture – but in recent years, less than 2% of the world’s electricity has come from solar power. Here are 5 new inventions that are likely to change that.
SciShow
How Green Energy Could Bring More Rain to Africa
Africa’s Sahara desert is a prime location, some say, to build arrays of solar panels and wind turbines. But scientists are aware that building these structures can potentially have large-scale effects on the surrounding environment that...
Crash Course
The Engineering Challenges of Renewable Energy: Crash Course Engineering #30
This week we are looking at renewable energy sources and why we need them. We’ll explore hydropower, wind, geothermal, and solar power, as well as some of the challenges, and how engineers are working to make their use more widespread.