TED Talks
TED: An updated action plan for solving the climate crisis — and a look at progress to date | Ryan Panchadsaram, Anjali Grover and David Biello
When it comes to climate, what are we doing right and where should we focus our efforts next? Systems innovator Ryan Panchadsaram and strategist Anjali Grover talk with TED science curator David Biello about the latest on the world's...
SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
SciShow
The Alien Storm That Ate Itself
From cyclones to snowstorms, Earth is home to some spectacular weather events. But they're nothing compared to what you can find on the other planets in our solar system. Magnetic tornadoes? Ammonia mushballs? Let's (not literally) dive...
TED Talks
TED: Can a simple brick be the next great battery? | John O'Donnell
The world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use. Energy entrepreneur John O'Donnell has figured out a...
SciShow
The Moon is Rusting. It's the Earth's Fault.
The Moon is typically 380,000-ish kilometers from the Earth, so it doesn't seem like they have that much of a direct influence on one another. However, the presence of hematite on the lunar surface suggests our planet is causing the Moon...
MinuteEarth
Eclipses Used To Be Terrifying
Because eclipses are powerful and frightening events, ancient cultures went to great lengths to understand eclipses, leading to remarkably accurate predictions and helping invent the science of astronomy.
TED Talks
TED: How to harness abundant, clean energy for 10 billion people | Julio Friedmann
We can produce abundant, sustainable and cheap energy — for everyone, says physicist Julio Friedmann. He explores the infrastructure, innovation and investment needed to supply energy to 10 billion people, offering case studies from...
SciShow
This Probe Doesn’t Melt When it’s 1 Million Degrees Outside
In 2021, the Parker Solar Probe fulfilled its mission to “touch the Sun”. But the temperature over there was millions of degrees Celsius. How did the spacecraft not melt?
SciShow
Don’t Look At the Sun! …Unless | Compilation
It’s common knowledge that you should never look directly at the sun. But, like, what about during an eclipse? Surely you can look then?
PBS
Can We Survive the Destruction of the Earth? ft. Neal Stephenson
What do we do to protect ourselves from extinction level events? And what if some of those events are unavoidable? Can we survive adrift in space? Find out in this episode of Space Time.
Be Smart
Sunlight Is Way Older Than You Think. Here’s Why…
If the sun instantly switched off like a light bulb–which can’t happen, by the way–then we wouldn’t know for almost 8 and a half minutes. Light travels at the fastest speed there is, but it still takes almost 500 seconds to get to Earth....
Be Smart
Do Other Planets Have Seasons Too?
Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a tour from Mercury to Pluto and see what seasons would be like on all our planetary neighbors. Bring a sweater!
PBS
The Future of Gravitational Waves
On September 14th, 2015 LIGO announced the first detection of a gravitational wave. This was hailed at the time as the dawn of gravitational wave astronomy. However that’s only true if the we ever detect another gravitational wave. Now...
TED Talks
TED: This country runs on 98 percent renewable energy | Ramón Méndez Galain
Fifteen years ago, Uruguay was experiencing an energy crisis brought on by its reliance on fossil fuels; today, the nation produces 98 percent of its electricity from renewable sources (and even exports extra energy to neighboring...
TED Talks
TED: How to supercharge renewables and energize the world | Rebecca Collyer
The power sector generates the electricity that sustains modern life -- but it's also the number one contributor to climate change. We need a swift and equitable shift to renewable energy, says 2023 Audacious Project grantee and...
TED Talks
TED: Can the US and China take on climate change together? | Changhua Wu
Climate change doesn't care about ideological divides, says policy analyst and China expert Changhua Wu. Here's what she says the US can learn from the progress China has made on the clean energy revolution -- and why collaboration...
TED Talks
TED: An economy powered by sun and wind -- it's almost here | Kala Constantino
With some of the highest energy bills in Southeast Asia and extreme weather to match, the Philippines experiences the climate crisis -- and climate activism -- as a part of daily life. Clean energy advocate Kala Constantino highlights...
SciShow
The Southern Hemisphere is Colder, Stormier, and... Cleaner?
You'd think that the Northern and Southern Hemispheres would be basically symmetrical -- that since our planet is a ball, the climate, temperature, and weather patterns would be the same on top as on the bottom. But there are some...
SciShow
Why Don't We Have Nuclear Fusion Power Yet?
Thanks to LastPass for sponsoring this video. Check out LastPass here: http://bit.ly/2GbcEci Fusion power is supposed to save us from fossil fuels, so when is nuclear fusion going to be a viable option and why has it been so elusive?
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
SciShow
Interview with EPA Administrator McCarthy
Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...
SciShow
How Quantum Mechanics Affects Your Life
While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face!
TED-Ed
TED-Ed: Are solar panels worth it? | Shannon Odell
Today in many countries solar is the cheapest form of energy to produce. Millions of homes are equipped with rooftop solar, with most units paying for themselves in their first seven to 12 years and then generating further savings. So,...
TED Talks
TED: A faster way to get to a clean energy future | Ramez Naam
When it comes to cost, clean energy is bound to beat out fossil fuels, says technologist Ramez Naam. But the hesitancy to build amid the prevalence of "not in my backyard" campaigns is preventing the creation of our sustainable future....