SciShow
Why Do Dogs Tilt Their Heads?
There's no question that a dog tilting its head is one of the cutest things possible, but why do they do it?
SciShow
Science and Gun Violence
Hank looks for some things science can add to the conversation about guns and gun violence in the wake of the tragedy last week in Newtown, Connecticut. Our deepest sympathies are with the community of Sandy Hook, and with anyone whose...
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
How to Date a Dead Thing
SciShow explains radiocarbon dating, the best way to date a dead thing!
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
SciShow
Disease Ecology | SciShow Talk Show
Dr. Angie Luis is here to tell Hank about wildlife that spread diseases to humans, and Jessi brings some wildlife that don’t.
SciShow
The Cosmic Ladder That Lets Us Map the Universe
Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?
SciShow
Is That Shiny Thing Pretty, or Are You Just Thirsty?
Humans are fascinated by shiny stuff. Not only do we find these things attractive, but we also tend to perceive them as being high quality. Well, turns out this infatuation may be related to our evolutionary relationship to water.
SciShow
Why Isn't Cling Wrap as Good as It Used to Be?
"Back in my day, cling wrap was so much better!" Have you ever wondered why cling wrap doesn't seem to work as well as you remember it to?
TED Talks
TED: How Netflix changed entertainment -- and where it's headed | Reed Hastings
Netflix changed the world of entertainment -- first with DVD-by-mail, then with streaming media and then again with sensational original shows like "Orange Is the New Black" and "Stranger Things" -- but not without taking its fair share...
TED Talks
TED: The psychology of your future self | Dan Gilbert
Human beings are works in progress that mistakenly think they're finished. Dan Gilbert shares recent research on a phenomenon he calls the "end of history illusion," where we somehow imagine that the person we are right now is the person...
TED Talks
The surprising decline in violence - Steven Pinker
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Steven Pinker charts the decline of violence from Biblical times to the present, and argues that, though it may...
3Blue1Brown
Simulating an epidemic
SIR models for epidemics, showing how tweakign behavior can change an outbreak.
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
Why Multitask While Driving Isn't a Good Idea
Driving can be dangerous, especially if you’re trying to juggle a variety of distractions while barreling down a busy highway. So scientists are looking into ways to keep us focused on the task at hand, even if you’re traveling in an...
TED Talks
TED: Medicine for the 99 percent | Thomas Pogge
Sad but true: Many of the cures and vaccines our world desperately needs -- for illnesses millions of people have -- just aren't being produced or developed, because there's no financial incentive. Thomas Pogge proposes a $6 billion plan...
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.
SciShow
Our Expanding Universe | Compilation
The universe is expanding. But how much is it expanding? Is it doing expanding the same way everywhere? And can physics actually explain the expansion?
MinutePhysics
The Twins Paradox Hands-On Explanation | Special Relativity Ch. 8
This video is chapter 8 in my series on special relativity, and it presents a hands-on explanation of the resolution to the Twins Paradox using the mechanical minkowski diagram, aka mechanical Lorentz transformation, aka spacetime globe....
TED Talks
Jedidah Isler: How I fell in love with quasars, blazars and our incredible universe
Jedidah Isler first fell in love with the night sky as a little girl. Now she's an astrophysicist who studies supermassive hyperactive black holes. In a charming talk, she takes us trillions of kilometers from Earth to introduce us to...
TED Talks
Hannah Fry: The mathematics of love
Finding the right mate is no cakewalk -- but is it even mathematically likely? In a charming talk, mathematician Hannah Fry shows patterns in how we look for love, and gives her top three tips (verified by math!) for finding that special...
TED Talks
David Keith: A critical look at geoengineering against climate change
Environmental scientist David Keith proposes a cheap, effective, shocking means to address climate change: What if we injected a huge cloud of ash into the atmosphere to deflect sunlight and heat?
SciShow
Why Humans Feel Disgust, and Why Other Animals Might Too
You might think something is so "icky" that you try avoid it, and scientists think there's a reason humans, and even some other animals, do this.
TED-Ed
TED-ED: If matter falls down, does antimatter fall up? - Chlo_ Malbrunot
Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloe Malbrunot investigates that question by placing two atoms - one made of matter, and...