Be Smart
So You Want to go to Mars?
Can't wait to get into outer space? Well there's a bit you need to know first... Spending time in zero gravity can have some pretty extreme effects on the human body. Still scientists are already making plans for long trips to other...
PBS
5 REAL Possibilities for Interstellar Travel
The prospect of interstellar travel is no longer sci-fi. It COULD be achievable within our lifetime! But, how would an interstellar rocket-ship work? On this week's episode of Space Time, Matt talks options for interstellar travel - from...
TED Talks
How bad data keeps us from good AI | Mainak Mazumdar
The future economy won't be built by people and factories, but by algorithms and artificial intelligence, says data scientist Mainak Mazumdar. But what happens when these algorithms get trained on biased data? Drawing on examples from...
SciShow
Why Does It Take So Long to Get to Mercury?
On a cosmic scale, Mercury isn’t very far away, but it's incredibly hard to get there. Getting into orbit around it takes years of flybys in the solar system, but we're going to do it again!
SciShow
Why Aren't Commercial Jets Getting Faster?
Airplanes are one of the quickest ways to get anywhere, but commercial jets haven't gotten much fast since the 1950's. Why is that?
SciShow
Science Superlatives of 2015!
Learn about the strongest, slowest, and fastest science in 2015!
PBS
Escape The Kugelblitz Challenge
In the last episode Matt discussed how the Penrose Diagram enabled you to map how black holes affect Space Time. In this episode you can use that knowledge to stop an all-too-real threat to our planet. Aliens are trying to destroy the...
MinutePhysics
Why Are Airplane Engines So Big?
The answer to this question has everything to do with drag & kinetic energy vs momentum change (thrust) ie, a bigger engine fan allows for a larger air mass to be accelerated a smaller amount to give the same thrust as you'd get from a...
SciShow
The Gulf of California's Upside-Down Mirror Pools | Weird Places
For upside-down mirrors, super hot volcanic chimneys, and neon rocks with living microorganisms, look no further than the Guaymas Basin in the Gulf of California.
SciShow
We Use Black Holes to Study Tectonic Plates
The ground under our feet is constantly moving, and to measure these movements, researchers have turned to an unlikely helper: quasars that are millions of light-years away.
Bozeman Science
Conservation of Angular Momentum
In this video Paul Andersen explains that the angular momentum of a system will be conserved as long as there is no net external torque. Both point objects and extended objects are covered along with several examples.
TED Talks
Li Wei Tan: The fascinating science of bubbles, from soap to champagne
In this whimsical talk and live demo, scientist Li Wei Tan shares the secrets of bubbles -- from their relentless pursuit of geometric perfection to their applications in medicine and shipping, where designers are creating more efficient...
SciShow
Birds, Cheetahs, and Curly Bird the Turaco: Talk Show #20
Hank talks birds, flight, and dinosaurs with evolutionary biologist Brandon Jackson. Then Jessi from Animal Wonders shows up with a special guest, a white-cheeked turaco named Curly Bird!
SciShow
How We Learned Black Holes Actually Exist | 2020 Nobel Prize in Physics
Did you know Einstein never thought we’d find actual black holes in space? It took decades of research to show black holes are physically possible, and some of the scientists behind that research were honored this year with the Nobel...
TED Talks
TED: What it takes to crush a pandemic | Johanna Benesty
An effective COVID-19 vaccine is just the first step in ending the pandemic, says global health strategist Johanna Benesty. In this illuminating talk, she explores the various barriers to "equitable access" -- making sure COVID-19...
SciShow
The Sun's Center Is 39,000 Years Younger Than Its Surface
In the early 1960s, Richard Feynman was quoted as saying that Earth's center should be a day or two younger than its surface. 50 years later, scientists re-did the math.
MinutePhysics
Hitting the Sun is HARD
This video is about the orbital mechanics of why it's so hard to crash into the sun - the energy it takes to get there is astoundingly high, compared with leaving the solar system.
PBS
What Planet Is Super Mario World?
We've run, jumped, and stomped all over the world of Super Mario, but, where in the universe is Super Mario EXACTLY? It's virtual so it obviously DOESN'T exist but if it did, could Super Mario world be in our solar system? And what do...
SciShow
2 Weird Experiments in Human Space Flight
SciShow Space News reveals two weird experiments in human spaceflight: one showed us what it really feels like to walk on the moon, the other put ordinary people through space flight simulation to see how they did. Find out inside!
SciShow
7 Ridiculous Feats of Strength in the Animal Kingdom
You're probably already familiar with some of the more common examples of super strong animals, like the crocodile with its powerful bite or the leafcutter ant's impressive overhead carry. However, there are lots of lesser-known animals...
TED-Ed
TED-Ed: If superpowers were real: Super speed - Joy Lin
What if super speed wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super speedy? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere...
SciShow
The Star That’s Secretly a Lawn Sprinkler
Scientists have found a star that spins so fast that it can almost complete a full rotation by the time it takes you to finish reading this episode description.
PBS
Have Gravitational Waves Been Discovered?!?
For the past 90 years, the predictions laid out Einstein's general theory of relativity have continued to be confirmed by experimental science. The last hold out is gravitational waves - the idea that certain gravitational events cause...
SciShow
The Most Dangerous Part of Space Travel Coming Home
SciShow Space takes you through perhaps the scariest part of every space mission -- re-entry. How do astronauts survive the turbulent return to Earth’s atmosphere? Math, y’all!