SciShow
Do Brown Eyes See Better?
Since eye color is determined by chemical and structural differences in the eye, it seems logical that different eye colors see the world in different ways.
SciShow
Can a Hot Drink Cool You Down?
In some arid parts of the world, people cool off by drinking hot beverages. Can a hot drink on a hot day really cool you down?
TED Talks
Jessica Green: Are we filtering the wrong microbes?
Should we keep the outdoors out of hospitals? Ecologist and TED Fellow Jessica Green has found that mechanical ventilation does get rid of many types of microbes, but the wrong kinds: the ones left in the hospital are much more likely to...
TED Talks
Peter Beck: Small rockets are the next space revolution
We're in the dawn of a new space revolution, says engineer Peter Beck: the revolution of the small. In a talk packed with insights into the state of the space industry, Beck shares his work building rockets capable of delivering small...
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
TED: How Airbnb designs for trust | Joe Gebbia
Joe Gebbia, the co-founder of Airbnb, bet his whole company on the belief that people can trust each other enough to stay in one another's homes. How did he overcome the stranger-danger bias? Through good design. Now, 123 million hosted...
SciShow
Do You Need 10,000 Steps a Day?
There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical,...
SciShow
Inside the Ice Man Dark Matter Mystery and Fukushima Cleanup
Hank throws three bite-sized stories at ya: the sequencing of 5300-year-old ice man Oetzi's genome; a confusing mass of dark matter; and how the cleanup of the Fukushima disaster is going one year later.
SciShow
This is Weird but...COVID Decreased Lightning Strikes
The COVID-19 pandemic hasn’t just affected us. It’s also affected the weather. And this turns out to be a lucky natural experiment to help us understand how much we influence the world around us.
SciShow
NASA Wants to Capture Asteroids…in Bags (And Other New Tech)
NIAC has awarded their first two grant winners for phase III: optical mining and 3D modeling craters, and researchers are further honing in on how to identify faraway habitable planets.
Crash Course
Economics of Education: Crash Course Economics
How does education work? Where does the money come from? Who pays for it? Is going to college a good investment? Adriene and Jacob are talking today about the economics of education. Most countries require that their citizens get some...
MinutePhysics
Should You Walk or Run When It's Cold?
Is it better to walk or run when it's cold out? If you run, then you have to deal with wind, wind chill, etc, but your body generates more heat. If you stay still, standing or walking slowly, you don't generate as much heat, but don't...
SciShow
Something Is Creating and Removing Oxygen on Mars - SciShow News
Oxygen levels in the Martian atmosphere are mysteriously inconsistent, and scientists don’t have a clear explanation for what’s behind the changes. Meanwhile, scientists DO have explanations for the tiger-like stripes on one of Saturn’s...
SciShow
3 Stars That Shouldn't Exist
Based on what we think we know about the universe these stars really shouldn't exist, but they do!
SciShow
Why Is Everyone Having Vivid Dreams Right Now?
Vivid dreams have gotten pretty common during the Covid-19 pandemic and there’s a good psychological reason for that.
TED-Ed
TED-Ed: The Tower of Epiphany | Think Like A Coder, Ep 7 | Alex Rosenthal
This is episode 7 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
SciShow
News | Where Did Domesticated Horses Come From?
New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.
SciShow
How Giant Creatures Eat Tiny Meals: 5 Fabulous Filter Feeders
Some of the largest creatures that have ever lived on earth thrive by eating tiny prey. Why don’t they eat bigger fish, and how can they even consume these things they can barely see? Here are 5 creatures that grow to be giants by eating...
SciShow
The Hardest We've Ever Pushed Matter
Scientists have had to come up with some extreme ways to generate the extreme pressures needed to simulate the conditions at the cores of planets!
Crash Course
The Deep Future Crash Course Big History 10
Finally, after what seems like eons and eons, the end is nigh. We're talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end of the universe.John and Hank Green will...
SciShow
Epic Meteor Adventure and Ozone Mystery
SciShow explores two celestial mysteries: the origins of a meteorite that crashed into a house in California, and who's releasing chemicals into the atmosphere that were banned more than 25 years ago?
Crash Course
Energy & Chemistry: Crash Course Chemistry
Grumpy Professor Hank admits to being wrong about how everything is chemicals. But he now wants you to listen as he blows your mind with a new sweeping statement: everything (yes, really everything this time) is energy. What?! This week,...
SciShow
The Science Of REAL Hoverboards
Hank gives it to you straight about "anti-gravity technology" -- basically, it doesn't exist. But if you really want to hover, you have options!
PBS
The Vacuum Catastrophe
If vacuum energy really does have the enormous value predicted by quantum field theory then our gently expanding, geometrically flat universe shouldn't exist. This is the vacuum catastrophe.