SciShow
How a Storm Triggered a City-Wide Asthma Attack
A very weird way a thunderstorm might kill you.
PBS
Computing a Universe Simulation
Physics seems to be telling us that it's possible to simulate the entire universe on a computer smaller than the universe
SciShow
Why You Always Have Room for Dessert, and Other Common Experiences Explained | Compilation
Did you know we have a whole channel dedicated to the human mind, people and interactions between people? It’s called SciShow Psych! And here is a compilation of five videos from that channel explaining some common experiences you may...
SciShow
Ice Quakes Your Brain on Pot & the Body Language of Victory
Hank enlightens you with the science behind the news, including the dynamics of recent "ice quakes," new insights into the neurology of marijuana, and the body language of victorious athletes. Winning!
TED Talks
How to turn moments into momentum | Renee Montgomery
Inspired by the rising movement against racism in the US, WNBA champion Renee Montgomery made an unexpected decision: she opted out of her dream job. As she says in this stirring talk, she wanted to "make it felt," and that meant turning...
PBS
What Happens at the Event Horizon?
What really happens when you approach the event horizon of a black hole?
TED-Ed
TED-Ed: Defining cyberwarfare in hopes of preventing it - Daniel Garrie
Can you imagine a future where wars are fought not with bombs and bullets but computer viruses and pacemaker shutdowns? Cyberware is unique in that it is not covered by existing legal framework and it often inspires more questions than...
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
TED: A life-saving invention that prevents human stampedes | Nilay Kulkarni
every three years, more than 30 million Hindu worshippers gather for the Kumbh Mela in India, the world's largest religious gathering, in order to wash away their sins. With massive crowds descending on small cities and towns, stampedes...
SciShow
Planet 9 Could Be a Black Hole! SciShow News
Two scientists have proposed that Planet Nine could actually be a black hole, and a handful of telescopes observed a distant black hole absolutely destroying a star!
SciShow
The Chelyabinsk Meteor: What We Know
In this episode of SciShow, Hank explores what we now know about the meteoroid that streaked across Russian skies on February 15, 2013.
SciShow
Do You Do More Housework Than Your Roommate?
You do way more housework than your slob of a roommate, right? Well, turns out your roommate might think you're the slob. Our brains are just wired that way.
SciShow
Do Doorways Actually Make Us Forget Things?
Have you ever forgotten why you walked into a room? Turns out it's just your brain doing its job.
MinuteEarth
The Extinction Happening Inside You
Our modern lifestyle and diet are leading to the extinction of parts of our microbiome, but we can use what we've learned from dealing with nearly-extinct macrobiota, like bald eagles, to understand the consequences and find solutions.
Be Smart
What is Deja Vu?!
Most of us have felt it before, that strange sensation that you've been somewhere or seen something before, as if you already remembered what's happening. Are you psychic? Nope, that's just deja vu. Why does deja vu happen? Well,...
SciShow
Déjà Vu
Hank describes some of the best explanations that neurologists have come up with to account for the strange sensation we know as déjà vu.
SciShow
Mass Extinctions
Hank takes us on a trip through time to revisit the 5 major mass extinction events that have impacted species over the Earth's history, and leaves us with some thoughts about what could possibly be the sixth event - the one caused by...
TED Talks
Kishore Mahbubani: How the West can adapt to a rising Asia
As Asian economies and governments continue to gain power, the West needs to find ways to adapt to the new global order, says author and diplomat Kishore Mahbubani. In an insightful look at international politics, Mahbubani shares a...
TED Talks
Frances Larson: Why public beheadings get millions of views
In a disturbing — but fascinating — walk through history, Frances Larson examines humanity's strange relationship with public executions … and specifically beheadings. As she shows us, they have always drawn a crowd, first in the public...
MinutePhysics
Relativity of Simultaneity | Special Relativity Ch. 4
The previous videos in this series: Chapter 1: Why Relativity is Hard Chapter 2: Spacetime Diagrams Chapter 3: Lorentz Transformations This video is chapter 4 in my series on special relativity, and it covers how things that appear...
SciShow
Why There's a Straight Line Through Scotland
If you take a look at a map of Scotland, you'll notice an eerily straight line running through the highlands, this is the Great Glen Fault the product of half a billion years of time and geology.
Crash Course
Gamma-Ray Bursts
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...
Curated Video
HOW World War I Started: Crash Course World History 209
In which John Green teaches you about World War I and how it got started. Crash Course doesn't usually talk much about dates, but the way that things unfolded in July and August of 1914 are kind of important to understanding the Great...
PBS
Russian Meteorites and Surveillance Culture
A meteorite crashed into earth!!!! This wasn't the first time and it won't be the last, but it is the first time such an event was captured by SO MANY CAMERAS! But besides providing the world with some hilarious, frightening, and amazing...