PBS
The Race to a Habitable Exoplanet - Time Warp Challenge
You've discovered a habitable exoplanet, but so has an an evil interplanetary mining corporation. Can you get to the planet before they strip it bare and leave it unsuitable for life? You're going to need a ship, the Lorentz...
TED-Ed
TED-Ed: Why neutrinos matter - Silvia Bravo Gallart
Elementary particles are the smallest known building blocks in the universe-and the neutrino is one of the smallest of the small. These tiny neutrinos can tell us about the furthest reaches and most extreme environments of the universe...
TED Talks
Alexander MacDonald: How centuries of sci-fi sparked spaceflight
Long before we had rocket scientists, the idea of spaceflight traveled from mind to mind across generations. With great visuals, TED Fellow and NASA economist Alexander MacDonald shows how 300 years of sci-fi tales -- from Edgar Allan...
SciShow
Asteroseismology: How to Explore Stars with Sound
Asteroseismology allows scientists to explore stars with sound. It can help them figure out what a star is burning and even help pin down the age of stars!
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....
SciShow
A Better Way to Study Earth, and Lessons from Jellyfish Galaxies
A new detector can use neutrinos to help us take a peek inside Earth, and a study of jellyfish galaxies can help us understand more about an unsolved problem in astronomy.
Crash Course
Mechanical Engineering: Crash Course Engineering #3
Today we continue our tour through the major fields of engineering with a look at mechanical engineering, beginning with the steam engine. We’ll discuss aircraft, the development of aerospace engineering, and take a look into the future...
SciShow
6 Seriously Impressive Animal Migrations
There are some seriously impressive journeys that animals will undertake to avoid the cold, to give birth, or to find food. All kinds of creatures migrate that you might not think about; some big and familiar, and others so small, you...
SciShow
5 Tiny Animals With BIG Migrations
These little fliers may be small, but pound for pound, they go farther than just about anyone else. Chapters RUBY-THROATED HUMMINGBIRD 0:40 HOVERFLY 2:56 MONARCH BUTTERFLY 4:11 DESERT LOCUST 6:10 5 WANDERING GLIDER 9:41
TED Talks
TED: Why the passport needs an upgrade | Karoli Hindriks
It's time to give paper passports a digital upgrade, says entrepreneur Karoli Hindriks. Looking to Estonia's technology-driven government for inspiration, she envisions a world where immigration is no longer hindered by bureaucracy and...
Crash Course
Herakles. Or Hercules. A Problematic Hero: Crash Course World Mythology
This week, Mike Rugnetta re-introduces Herakles, the strong man of Greek and Roman myth. Strongman with a darkside, that is. You'll learn about Herakles' 10 actually 12 labors, the story of his birth, his death, some of his marriages,...
TED-Ed
TED-Ed: How does your body process medicine? - Celine Valery
Have you ever wondered what happens to a painkiller, like ibuprofen, after you swallow it? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to...
3Blue1Brown
Simulating an epidemic
SIR models for epidemics, showing how tweakign behavior can change an outbreak.
SciShow
Wood-eating Clams: The Real Kraken?
For thousands of years, a sea creature has plagued sailors by attacking and devouring their ships. It is so destructive that reportedly it swiss-cheesed the hulls of Christopher Columbus’s ships, sinking at least two of them.
TED Talks
TED: 3 ways to make flying more climate-friendly | Ryah Whalen
Air travel opens our eyes to the world, but it also comes at a high cost to the environment. Piloting us into a future of green aviation, innovator Ryah Whalen shares three ways to lower the industry's carbon footprint through smarter...
TED-Ed
TED-ED: Sunlight is way older than you think - Sten Odenwald
It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun's core to its surface? Oddly enough, the answer is many thousands of years. Sten Odenwald...
PBS
What Happens at the Event Horizon?
What really happens when you approach the event horizon of a black hole?
TED Talks
TED: Why I speak up about living with epilepsy | Sitawa Wafula
Once homebound by epilepsy, mental health advocate Sitawa Wafula found her strength in writing about it. Now, she advocates for others who are yet to find their voices, cutting through stigma and exclusion to talk about what it's like to...
TED Talks
TED: Stop being a bystander in your own life | Tracy Edwards
Life doesn't go from A to B -- it's messy, says sailing legend Tracy Edwards. In this inspiring talk, she tells how she went from teenage misfit to skipper of the first all-female crew in the toughest race on the seas -- and how she now...
TED-Ed
TED-Ed: The tale of the boy who tricked the Devil | Iseult Gillespie
In a small town, a proud mother showed off her newborn son. Upon noticing his lucky birthmark, townsfolk predicted he would marry a princess. But soon, these rumors reached the wicked king. Enraged, the king stole the child away, and...
SciShow
Carcolepsy: Why Do We Get Sleepy in Cars?
It turns out there are number of aspects of driving that can potentially conspire to lull our bodies into a potentially dangerous state of drowsiness.
Crash Course
The Railroad Journey and the Industrial Revolution: Crash Course World History 214
In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much...
SciShow
Could We Really Visit Other Stars?
We might be getting a little closer to making interstellar travel a reality just not for humans.
TED Talks
Kitra Cahana: A glimpse of life on the road
As a young girl, photojournalist and TED Fellow Kitra Cahana dreamed about running away from home to live freely on the road. Now as an adult and self-proclaimed vagabond, she follows modern nomads into their homes -- boxcars, bus stops,...