TED-Ed
How much electricity does it take to power the world? | TED-Ed
All around the world, millions of people are flipping a switch, plugging in, and pressing an 'on' button every second. So how much electricity does humanity use? And how much will we need in the future? Discover how much energy it takes...
SciShow
How Tall Can Skyscrapers Get?
Get an engineeer's-eye-view of the tallest buildings in the world, to learn what challenges they face as they reach for the sky and wonder, how tall can we build?
TED-Ed
How do wind turbines work? | Rebecca J. Barthelmie and Sara C. Pryor
Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible...
SciShow
Secrets of Snow | Compilation
Winter is upon us, and for many that includes snow! And although snowflakes are ice crystals that become flakes under the right conditions, they also have mysteries that can be less simple to explain!
TED Talks
TED: How to make radical climate action the new normal | Al Gore
A net-zero future is possible, but first we need to flip a mental switch to truly understand that we can stop the climate crisis if we try, says Nobel laureate Al Gore. In this inspiring and essential talk, Gore shares examples of...
TED Talks
TED: How China is (and isn't) fighting pollution and climate change | Angel Hsu
China is the world's biggest polluter -- and now one of its largest producers of clean energy. Which way will China go in the future, and how will it affect the global environment? Data scientist Angel Hsu describes how the most populous...
SciShow
Anatomy of a Super Storm
On the weekend of April 29th and 30th this year, a series of thunderstorms slammed the southern and midwestern US. SciShow News takes a look at those deadly storms using the latest, high-resolution data from the NOAA's GOES-16 weather...
TED Talks
TED: An action plan for solving the climate crisis | John Doerr and Ryan Panchadsaram
How much more damage do we have to endure before we realize that it's cheaper to save this planet than to ruin it? asks engineer and investor John Doerr. In conversation with Countdown cofounder Lindsay Levin, Doerr and systems innovator...
Crash Course Kids
Gas Giants Weather
Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a...
SciShow
Hurricane Sandy FAQs
In the wake of Hurricane Sandy, Hank answers some frequently asked questions about it, and how it got to be so crazy. What is up with this storm? Has this ever happened before? This is global warming right?
SciShow
We Found a Planet That Orbits Three Stars..Maybe?
New simulations of a triple-star system in the constellation Orion suggest that a planet might be orbiting three stars, which could drastically increase the amount of the solar systems we believe are out there forming planets! And the...
TED-Ed
TED-Ed: How do tornadoes form? - James Spann
Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds light on the lifespan of tornadoes as they go from supercell...
TED Talks
TED: How wind energy could power Earth ... 18 times over | Dan Jørgensen
Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.)...
SciShow
3 Bizarre Projects That Could Transform Exploration - NIAC 2019
Every amazing mission you know about today started off as just an idea, and some of 2019’s early phase NIAC concepts could mean big things for our future.
SciShow
What the Wright Brothers Should Actually Be Famous For
For the pioneers of human aviation, one of the trickiest problems was figuring out how to steer the early craft. Then, the Wright Brothers changed everything by using bike parts and watching birds.
TED Talks
TED: How much clean electricity do we really need? | Solomon Goldstein-Rose
To fight climate change, we need to clean up the global electricity system by replacing fossil fuel power plants with clean generation -- right? Climate author Solomon Goldstein-Rose thinks we need to do much more than that. Replacement...
TED-Ed
TED-Ed: The Nutritionist by Andrea Gibson
An animated interpretation of Andrea Gibson's poem "The Nutritionist"
MinutePhysics
Should You Walk or Run When It's Cold?
Is it better to walk or run when it's cold out? If you run, then you have to deal with wind, wind chill, etc, but your body generates more heat. If you stay still, standing or walking slowly, you don't generate as much heat, but don't...
SciShow
This Melon Builds a Whole Ecosystem in the Desert
The nara melon is as juicy as any other, so how is it able to grow in the hyper-arid Namib desert?
SciShow
How Cold Can Earth Get?
These days it seems almost trivial to cool atoms down to near absolute zero temperatures in a lab, but what is the lowest possible naturally occurring air temperature on this planet?
MinuteEarth
Why Do Birds Migrate Like This?
Migrating birds care more about the ease of their trip than the distance they travel, and that leads to some truly roundabout routes. ___________________________________________ To learn more, start your googling with these keywords:...
SciShow
Our Past Written in the Stars
Unfortunately, time machines don't exist, but there are other ways to learn about our sun's past.
SciShow
Why Don't We Just Nuke Hurricanes?
Hurricanes are just made up of clouds and wind moving in a certain pattern…so could we use a nuclear weapon to disrupt that wind enough to stop them?