SciShow
The 5,000-Year-Old Mystery of Ancient Egyptian Perfume
The ancient Egyptians were masters of embalming the dead, but they left no record of the ingredients in their balms and perfumes. Luckily, modern chemistry is unlocking those secrets. And it's telling us a lot more about their culture...
SciShow
Why Do We Cry On Planes?
Have you ever found yourself getting teary-eyed on a plane, and not because of the lack of legroom? Turns out there's a few good reasons that science says that's totally normal. Don't forget to throw some tissues in your carry-on.
TED Talks
TED: 3 practices for a life of wisdom | Krista Tippett
Journalist and podcast host Krista Tippett has spent a career interviewing some of the world's most brilliant people. All these conversations have left her with wisdom on the art of living and what it means to be human right now. Listen...
TED Talks
TED: The future of repairing the human body | Nina Tandon
As humans live longer than ever before, we need our implants to last as long as we do, says bioengineer Nina Tandon. Using stem cells and digital fabrication, she's working on growing anatomically precise spare parts for the human body,...
PBS
Researchers find strong relationships protect long-term health and happiness
A decades-long Harvard study has concluded that good relationships and close friendships are the key to lifelong health and happiness. Ali Rogin speaks with Dr. Robert Waldinger, a clinical professor of psychiatry at Harvard Medical...
SciShow Kids
How Will Humans Live on Mars? | Let's Explore Mars! | SciShow Kids
Squeaks and Jessi would love to visit Mars one day, but our neighboring planet is very different from Earth. Together, they make a travel plan and packing list that will help them overcome the challenges of life on Mars! Thanks to our...
SciShow
How Long Can You Live Underwater?
In 2023, Joseph Dituri set a world record for the longest continuous stay underwater. And that 100 day stay had effects on both his body and mind. Scientists have been studying the effects of living underwater since the 1960s, but how...
MinuteEarth
Which Will Kill You First?
The body can get a whole lot colder - but not a whole lot hotter - before we die. Why is that?
Curated Video
When We First Made Tools
The tools made by our human ancestors may not seem like much when you compare them to the screen you’re looking at right now but their creation represents a pivotal moment in the origin of technology and in the evolution of our lineage.
PBS
How We Figured Out Fermentation
Thanks to a recent adaptation, instead of getting sick from the boozy, fermented fruits, one of our primate ancestors could digest them safely, and get more calories at the same time. This new superpower would open up a whole new...
PBS
How a Mass Extinction Changed Our Brains
During one of the most pivotal moments in our evolutionary story our brains actually shrank relative to our bodies.
PBS
Cordyceps Turned These Ants Into Zombies
This fungus was actually manipulating ants’ movements, forcing them to do something they’d never ordinarily do, something strange, yet specific…
Be Smart
Why Are So Many People Allergic To Food?
More people have food allergies than ever before. Peanuts, tree nuts, shellfish, eggs, and even milk… the list of possibly dangerous foods seems to get longer every day. But why do some people’s bodies have deadly reactions food? And why...
TED-Ed
TED-Ed: Do mosquitos actually bite some people more than others? | Maria Elena De Obaldia
Some swear they're cursed to be hunted by mosquitos while their close-by companions are regularly left unscathed. Are mosquitos really attracted to some people more than others? And if so, is there anything we can do about it? Maria...
SciShow
Salmon Can Turn on Night Vision. Why Can’t We?
Most of us can only see certain wavelengths of light our entire lives. So why can salmon switch on night vision? We'll learn how they can reshape their eyes to see into the infrared.
SciShow
Can Sponges “Think” Using Light?
Sponges might not look like particularly complex animals, but they've had billions of years to evolve their own special systems. And one of those systems might involve sending messages through their body in the form of light.
SciShow
Most Planets Don't Orbit Stars!?
Hunting for rogue planets is like hunting for an invisible needle in a haystack. But we're getting a much clearer view thanks to gravitational microlensing surveys. And it looks like there are a LOT more of them out there than we thought.
SciShow
Our Solar System Might Have TWO Hidden Planets
After Pluto's demotion to dwarf planet in 2006, our solar system went from having nine planets to eight. But about a decade later, some astronomers proposed there was another planet, larger than Earth, hiding in the Kuiper Belt. And in...
MinuteEarth
There’s No Such Thing As “Warm-” Or “Cold-” Blooded
The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.
MinuteEarth
Why Most Fossils Are Incomplete
In 1990, fossil collectors in South Dakota stumbled across a dinosaur that turned out to be a really big deal. Not just because it was a T. rex – basically the most popular dino out there – or because it ended up in Chicago’s famous...
SciShow
Weird Diagnostics
Hank goes over some of the more interesting ways that doctors can use to tell what might be wrong with you.
SciShow
The Truth Behind the Disappearing Lakes
Around the world, there are lakes that disappear without warning. Then, suddenly without warning, they sometimes return! This vanishing and reappearing affect reveals some surprising connections. Learn all about it with Hank on this new...
SciShow
Meet Our Nitrogen-Breathing Bacterial Relative
Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.