SciShow
Why Does Water Go Stale Overnight?
You're going to bed, and you take a sip of cool delicious water, and it's so refreshing. But, when you wake up and take a swig, that water now tastes like bleh. What's going on here? Watch this SciShow Quick Question to find out!
TED Talks
Clay Shirky: How the Internet will (one day) transform government
The open-source world has learned to deal with a flood of new, oftentimes divergent, ideas using hosting services like GitHub -- so why can’t governments? In this rousing talk Clay Shirky shows how democracies can take a lesson from the...
SciShow
Can Your Cat Change Color?
Brown cats are something of a rarity, but you may have something pretty close.
SciShow
Could Climate Change Make Plants More Toxic?
Some believe that increased carbon emissions could produce faster growing plants, but some scientists worry that it could mean more toxic and invasive species.
SciShow
Why You Can’t Listen to Music While You Work
Some people are capable of concentrating in a storm of noise and motion, and some get distracted by the slightest squeak of a classmate’s chair. This has to do with our brain’s ability to filter, and not only are both entirely natural,...
TED Talks
TED: A one-man world summit | Rory Bremner
Scottish funnyman Rory Bremner convenes a historic council on the TEDGlobal stage -- as he lampoons Gordon Brown, Barack Obama, George W. Bush and a cast of other world leaders with his hilarious impressions and biting commentary. See if...
Crash Course Kids
Engineering Games
So how can a game teach us about engineering? Pretty easily! When you're trying to solve a game, or a puzzle, or whatever, you will have a bunch of variables. The trick is knowing how to change one variable at a time to see what changes....
MinutePhysics
Immovable Object vs. Unstoppable Force - Which Wins
Immovable Object vs. Unstoppable Force - Which Wins
TED Talks
Mariana Mazzucato: What is economic value, and who creates it?
Where does wealth come from, who creates it and what destroys it? In this deep dive into global economics, Mariana Mazzucato explains how we lost sight of what value means and why we need to rethink our current financial systems -- so...
TED Talks
David Wallace-Wells: How we could change the planet's climate future
The climate crisis is too vast and complicated to solve with a silver bullet, says author David Wallace-Wells. What we need is a shift in how we live. Follow along as he lays out some of the dramatic actions we could take to build a...
TED Talks
T. Morgan Dixon and Vanessa Garrison: The most powerful woman you've never heard of
Everyone's heard of Martin Luther King Jr. But do you know the woman Dr. King called "the architect of the civil rights movement," Septima Clark? The teacher of some of the generation's most legendary activists -- like Rosa Parks, Diane...
SciShow
A Kilogram Is Now a Kilogram—Forever | SciShow News
This week in SciShow News, there's a new kilogram in town, and we might be closer to understanding why people love coffee so much!
SciShow
We Don't All Have a "Mind's Eye" | Aphantasia
Some people don’t have or use visual imagination, or the “mind’s eye.” Many with this condition, called aphantasia, might not even realize that they’re experiencing the world differently, but this difference offers a new window into how...
TED Talks
TED: The Axis of Evil Middle East Comedy Tour | Jamil Abu-Wardeh
Jamil Abu-Wardeh jump-started the comedy scene in the Arab world by founding the Axis of Evil Middle East Comedy Tour, which brings standup comedians to laughing audiences all over the region. He's found that, by respecting the "three...
SciShow
If the Sun Became a Black Hole Would Earth Fall In
If our sun turned into a black hole, you might think our solar system would be doomed, but in reality that's just not how black holes work.
SciShow
What Neanderthal DNA Is Doing To Your Genome
Scientists estimate that about 2% of our DNA is from Neanderthals. In this week, the journal Cell showed what those Neanderthal DNA do to our genome.
Bozeman Science
Concept 7 - Stability and Change
Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate...
TED Talks
TED: How wind energy could power Earth ... 18 times over | Dan Jørgensen
Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.)...
SciShow
Your Brain Once Had a Superpower. Could You Get It Back?
A lot of the adaptability of children's brains diminishes as they age. But researchers are looking for ways they might be able to restore some of that flexibility later in life.
TED Talks
TED: This tennis icon paved the way for women in sports | Billie Jean King
Tennis legend Billie Jean King isn't just a pioneer of women's tennis -- she's a pioneer for women getting paid. In this freewheeling conversation, she talks about identity, the role of sports in social justice and the famous Battle of...
SciShow
Seeing Sick Birds Boosts Canaries’ Immune Responses
Unlike humans, domestic canaries don’t have the option of social distancing when one of their own is ill. But canaries may have evolved a nifty workaround for protecting their populations when disease strikes!
SciShow
Do You Need a Brain to Sleep?
You might think you need a brain to be able to sleep, but organisms with super simple neural networks can still "sleep" sort of like we do. So, if these organisms can sleep too, then what is sleep anyway?
3Blue1Brown
Backpropagation calculus | Deep learning, chapter 4
The math of backpropagation, the algorithm by which neural networks learn.
TED Talks
TED: Our unhealthy obsession with choice | Renata Salecl
We face an endless string of choices, which leads us to feel anxiety, guilt and pangs of inadequacy that we are perhaps making the wrong ones. But philosopher Renata Salecl asks: Could individual choices be distracting us from something...