TED-Ed
TED-ED: Why the Arctic is climate change's canary in the coal mine - William Chapman
The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather...
PBS
Singularities Explained
Mathematician Kelsey Houston-Edwards explains exactly what singularities are and how they exist right under our noses.
TED Talks
Charles Elachi: The story behind the Mars Rovers
At Serious Play 2008, Charles Elachi shares stories from NASA's legendary Jet Propulsion Lab -- including tales and video from the Mars Rover project.
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...
TED Talks
TED: Why bother leaving the house? | Ben Saunders
Explorer Ben Saunders wants you to go outside! Not because it’s always pleasant and happy, but because that’s where the meat of life is, “the juice that we can suck out of our hours and days.” Saunders’ next outdoor excursion? To try to...
TED Talks
James Flynn: Why our IQ levels are higher than our grandparents'
It's called the "Flynn effect" -- the fact that each generation scores higher on an IQ test than the generation before it. Are we actually getting smarter, or just thinking differently? In this fast-paced spin through the cognitive...
SciShow
Fun in the Summer Sun… on Saturn
For 13 years, the Cassini probe circled Saturn and sent back fascinating data about the seasons of Saturn as it moved through a 29 Earth year Saturnian year.
Curated Video
Venus
Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it’s beauty is best looked at from afar. Even though Mercury is closer to the sun, Venus is the hottest planet in the solar system, due to a runaway...
TED-Ed
TED-Ed: The dangerous race for the South Pole - Elizabeth Leane
By the early 1900’s, nearly every region of the globe had been visited and mapped, with only two key locations left: the North and South Poles. After two Americans staked claim to reaching the North Pole, a Norwegian explorer and a...
TED-Ed
TED-Ed: How do ocean currents work? - Jennifer Verduin
Dive into the science of ocean currents (including the Global Conveyor Belt current), and find out how climate change affects them. -- In 1992, a cargo ship carrying bath toys got caught in a storm. Shipping containers washed overboard,...
Crash Course
Maxwell's Equations: Crash Course Physics
In the early 1800s, Michael Faraday showed us how a changing magnetic field induces an electromotive force, or emf, resulting in an electric current. He also found that electric fields sometimes act like magnetic fields, and developed...
SciShow Kids
Narwhals: Unicorns of the Sea!
The ocean is full of some amazing creatures, but one that remains a bit of a mystery is the Narwhal, which looks like an underwater unicorn.
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-Ed
TED-Ed: The biggest mistakes in mapmaking history | Kayla Wolf
For thousands of years, people made both functional maps and what are known as cosmographies, illustrating the earth and its position in the cosmos, often including constellations, gods, and mythic locations. These maps were meant to...
Be Smart
How the Meter Became The Meter
The meter is the world's ultimate measure, but how did it become "the" meter? What is this measurement based on? The story of this revolution in measurement traces its roots to the French Revolution. Scientists decided that an equal and...
Crash Course
Cycles in the Sky
This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe.
SciShow
Why's a Meter a Meter?
Meter is the standard unit of length used by most countries around the world. But how did they define it?
Crash Course
Naked Eye Observations
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.
SciShow Kids
Make Your Own Compass!
Mister Brown and Squeaks are here to teach you all about the compass - and they will even help you make your own! NGSS Performance Expectations: 3-PS2-3: Ask questions to determine cause and effect relationships of electric or magnetic...
SciShow
Electromagnetism - Magnetic Force: The Four Fundamental Forces of Physics #4b
In this final segment on the four fundamental forces of physics, Hank tackles the magnetic force, the second of the two ways in which electromagnetism is apparent in the universe
SciShow
Another SpaceX Landing, and New Horizons's Next Stop
SpaceX has done it again! It's landed the first stage of a Falcon 9 rocket and the Dragon capsule has returned from the ISS. Now, what's next for New Horizons? It has its sights set an another tiny world in the Kuiper Belt.
Bozeman Science
Magnetic Domains
In this video Paul Andersen explains how magnetic domains act as tiny magnets within ferromagnetic material.
TED-Ed
TED-Ed: Free falling in outer space - Matt J. Carlson
If you were to orbit the Earth, you'd experience the feeling of free fall, not unlike what your stomach feels before a big dive on a roller coaster. With a little help from Sir Isaac Newton, Matt J. Carlson explains the basic forces...