TED Talks
TED: The beauty of wildlife — and an artistic call to protect it | Isabella Kirkland
I think of my paintings as alarm clocks, says artist Isabella Kirkland. "They're reminders of what's at stake; the only problem is we keep pushing the snooze button." Investigating humanity's relationship to nature, she shares work that...
SciShow
The Founder Of Forensic Anthropology Was Wrong About Everything
Aleš Hrdlička is known as the founder of forensic anthropology, and remains a huge part of the story of the history of anthropology as a science. But his legacy of racism and just bad science is one that this field has been reckoning...
PBS
Breaking The Heisenberg Uncertainty Principle
Quantum mechanics forbids us from measuring the universe beyond a certain level of precision. But that doesn’t stop us from trying. And in some cases succeeding, by squeezing the Heisenberg uncertainty principle to its breaking point.
PBS
Why Quantum Computing Requires Quantum Cryptography
Quantum computing is cool, but you know what would be extra awesome - a quantum internet. In fact if we want the first we’ll need the latter. And the first step to the quantum internet is quantum cryptography.
SciShow
The 7 Coolest Active Space Probes
We’ve sent thousands of things into space over the years! Many of them just orbit the Earth, and some are flying out past the edges of the Solar System. In this episode, we present our favorite currently active space probes!
SciShow
How 5G Cell Service Could Hurt Weather Forecasts
Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.
Crash Course Kids
Hunting for Properties
Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about...
SciShow
Why Astronomy Hasn't Really Changed Since the 1900s
The way modern researchers study the sky hasn’t really changed in the last few centuries. For the most part, astronomers still study things by analyzing their light.
TED-Ed
TED-Ed: Dark matter: The matter we can't see - James Gillies
The Greeks had a simple and elegant formula for the universe: just earth, fire, wind, and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond the four Greek elements) comprises only 4% of the...
SciShow
3 Ridiculously Extreme Black Holes
Black holes are some of the most extreme astronomical objects out there, but there are some that really standout. Let's look at black holes that grow larger, consume more, and spin faster than the rest.
TED-Ed
TED-Ed: Who is Alexander von Humboldt? - George Mehler
Have you heard of Alexander von Humboldt? Not likely. The geologist turned South American explorer was a bit of an 18th century super scientist, traveling over 24,000 miles to understand the relationship between nature and habitat....
TED-Ed
TED-Ed: Einstein's brilliant mistake: Entangled states - Chad Orzel
When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actually came in the form of an odd philosophical footnote in a 1935 paper he co-wrote...
SciShow
Climate Change Moved the North Pole
The idea that the North Pole can move is nothing new, but the findings of a recent study suggest that Santa might need to pack up and find a new apartment.
SciShow
Earth’s Underwater Topography & The Recent Space Walk
We just mapped out 80% of our earth and gave the ISS a tuneup! Hank Green explains what is going on in this episode of SciShow Space News!
SciShow
What Honeybees Can Teach Us About Democracy
Hank fills us in on the democratic ways of the honeybee and makes a request for more interpretive dance in our own political systems.
SciShow
The InSight Lander Is Going to Mars! Here's Why
The InSight lander is finally launching and headed to Mars, and Hubble has revealed some hot supernova info.
SciShow
The 7 Coolest Active Space Probes
We’ve sent thousands of things into space over the years! Many of them just orbit the Earth, and some are flying out past the edges of the Solar System. In this episode, we present our favorite currently active space probes!
TED Talks
TED: How to take a picture of a black hole | Katie Bouman
At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close -- even light. We can't see it, but its event horizon casts a shadow, and an image of...
Crash Course
Cheese, Catastrophes, & Process Control: Crash Course Engineering #25
Engineering, like life, could really use a lot more cheese. This week we are looking at a cheese factory in Toronto and what it can teach us about process control systems. We’ll explore feedforward and feedback systems, and see how...
SciShow
Why Is Neptune So Blue And 3 Other Mysteries an Orbiter Could Solve
Neptune's radius is almost four times larger than Earth's, its surface has super intense storms, and we barely know anything else about it. It is time to send another orbiter out there.
PBS
Why the Universe Needs Dark Energy
We know the universe will continue to expand forever, so now we can begin to complete the first Friedmann equation, and determine the shape and geometry of our universe. At first glance, it would seem that the equation doesn't quite add...
SciShow
An Asteroid Visited Us From Outside the Solar System!
Earth has received its first speedy visitor from another star system, A/2017 U1, and the Dawn Mission has helped astronomers gather more evidence about possible former oceans on Ceres.
SciShow
How Do We Know the Age of the Universe?
What kinds of tools do astronomers use to calculate the age of the universe, and how can they determine the speed of its expansion?
SciShow
Enceladus's Super-Thin Ice
You might not want to sign up for the Enceladus Ice Hockey League... And some researchers have an idea that might make the Big Bang model more accurate!