TED Talks
Sarah T. Stewart: Where did the Moon come from? A new theory
The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What's responsible for this special...
SciShow
How Old Are You? Well, Your Liver Is 3
This week, a group of researchers use nuclear fallout to figure out how old liver cells are, while another gets one step closer to predicting volcanic eruptions.
SciShow
How Ancient Buildings Became Accidental Seismographs
We use seismographs to record the time, location and magnitude of earthquakes as they happen. But in the last three decades, a new field of study has emerged that is learning to track these details about earthquakes of old using the...
Crash Course
Educational Technology: Crash Course Computer Science
Today we’re going to go a little meta and talk about how computer science can support learning with educational technology. We here at Crash Course are big fans of interactive in-class learning and hands-on experiences, but we also...
TED Talks
How web video powers global innovation - Chris Anderson
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. TED's Chris Anderson says the rise of web video is driving a worldwide phenomenon he calls Crowd Accelerated...
TED Talks
TED: How we'll earn money in a future without jobs | Martin Ford
Machines that can think, learn and adapt are coming -- and that could mean that we humans will end up with significant unemployment. What should we do about it? In a straightforward talk about a controversial idea, futurist Martin Ford...
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
Why We've Only Ever Seen the Sun's Poles Once
The Ulysses mission revolutionized our understanding of the sun, but it's been the only orbiter to take this kind of out-of-ecliptic journey. Will an upcoming mission give us even more?
SciShow
The Coolest Space Mission You May Have Never Heard Of
Some space missions get a lot of attention, but not all the biggest space exploration stories get the recognition they deserve. This is the story of a robotic craft that captured the first-ever glimpse of a comet’s icy core!
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.
TED Talks
Janet Echelman: Taking imagination seriously
Janet Echelman found her true voice as an artist when her paints went missing -- which forced her to look to an unorthodox new art material. Now she makes billowing, flowing, building-sized sculpture with a surprisingly geeky edge. A...
TED Talks
Jean-Baptiste Michel + Erez Lieberman Aiden: What we learned from 5 million books
Have you played with Google Labs' Ngram Viewer? It's an addicting tool that lets you search for words and ideas in a database of 5 million books from across centuries. Erez Lieberman Aiden and Jean-Baptiste Michel show us how it works,...
TED Talks
Bastian Schaefer: A 3D-printed jumbo jet?
Designer Bastian Schaefer shows off a speculative design for the future of jet planes, with a skeleton inspired by strong, flexible, natural forms and by the needs of the world's, ahem, growing population. Imagine an airplane that's full...
SciShow
Mars Lander Crash Update: Mystery Solved!
In October, the first mission of the ExoMars program arrived at the Red Planet, and things didn't go exactly as planned. As NASA investigates the crash, the mystery unfolds.
SciShow
Cassini's Dangerous Dives Through Saturn's Rings
The Cassini probe is getting more dangerous assignments as its mission nears its end, and the sun's surface may be simpler than we once thought.
SciShow
How Do You Trace a Meteorite Back To Its Home?
It's virtually impossible to tell where a meteorite comes from, but in 2018, scientists were able to pull a feat of forensic astronomy and do just that.
Crash Course
The Future of Artificial Intelligence
Today, in our final episode of Crash Course AI, we're going to look towards the future. We've spent much of this series explaining how and why we don't have the Artificial General Intelligence (or AGI) that we see in the movies like...
SciShow
Buzzed By a Weird Blue Asteroid
Asteroid 3200 Phaethon got closer than it will be until 2093, and the reflecting light has astronomers puzzled, and the relationship between black holes and magnetic fields is now a little more clear.
PBS
Will Starshot's Insterstellar Journey Succeed?
Yuri Milner's Breakthrough Starshot is an interstellar travel expedition unlike any other before it. It's many years in the making and is contingent on a series of incredible advancements in nanotechnology, materials science and laser...
TED Talks
Andrew Connolly: What's the next window into our universe?
Big Data is everywhere — even the skies. In an informative talk, astronomer Andrew Connolly shows how large amounts of data are being collected about our universe, recording it in its ever-changing moods. Just how do scientists capture...
TED Talks
Peter van Manen: Better baby care -- thanks to Formula 1
During a Formula 1 race, a car sends hundreds of millions of data points to its garage for real-time analysis and feedback. So why not use this detailed and rigorous data system elsewhere, like at children's hospitals? Peter van Manen...
TED Talks
Randall Munroe: Comics that ask "what if?"
Web cartoonist Randall Munroe answers simple what-if questions ("what if you hit a baseball moving at the speed of light?") using math, physics, logic and deadpan humor. In this charming talk, a reader's question about Google's data...
TED Talks
Aaron Koblin: Visualizing ourselves ... with crowd-sourced data
Artist Aaron Koblin takes vast amounts of data -- and at times vast numbers of people -- and weaves them into stunning visualizations. From elegant lines tracing airline flights to landscapes of cell phone data, from a Johnny Cash video...
SciShow
The Mysterious Origins of Our Galaxy's Fastest Stars
A new paper that borrows old astrological data from the Voyager 2 probe has used brand-new computer simulations to find some new weird data about Uranus’s magnetic field. Another paper has new information about our galaxy’s fastest...