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MinutePhysics
The Astounding Physics of N95 Masks
MinutePhysics
Complete Solution To The Twins Paradox
This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...
PBS
How Minnesota's Lack Of Teachers Of Color Hurts Students, And What Reform Could Look Like
Many schools across the United States are grappling with ways to close the
achievement gap between white students and students of color. Sp
ecial
correspondent Fred de Sam Lazaro reports on those efforts in...
achievement gap between white students and students of color. Sp
ecial
correspondent Fred de Sam Lazaro reports on those efforts in...
PBS
Why is job opportunity still lagging for people with disabilities?
The unemployment rate for people with a disability is more than double than for those without. Even though the law bars such discrimination, it can be difficult for these Americans to get hired. But that's not the full story: Some...
Crash Course
What Can You Learn from Your Competition? Crash Course Business Entrepreneurship
We’re used to competitions with clear winners and losers: baseball games, math olympiads, pie-eating contests, and games involving thrones. We crown a victor and everyone else goes home empty-handed! In business, though, there isn’t just...
MinutePhysics
The Astounding Physics of N95 Masks
MinutePhysics
Complete Solution To The Twins Paradox
This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...
SciShow
How Do These Creepy Eyeball Rocks Form?
Rocks or mineral crystals can often remind us of other things in our daily lives, but coming across some of THESE rocks might be one of the creepiest experiences a rockhound can have!
SciShow
How to Take a Picture of a Black Hole - SciShow News
For the first time ever we have visual confirmation that black holes actually exist and we got it with a telescope the size of our planet.
TED Talks
Anindya Kundu: The "opportunity gap" in US public education -- and how to close it
How can we tap into the potential of all students, especially those who come from disadvantaged backgrounds? Sociologist Anindya Kundu invites us to take a deeper look at the personal, social and institutional challenges that keep...
TED Talks
Jonathan Harris: The Web's secret stories
Jonathan Harris wants to make sense of the emotional world of the Web. With deep compassion for the human condition, his projects troll the Internet to find out what we're all feeling and looking for.
SciShow
Why Do Wet Floors Slip, But Wet Clothes Stick
A freshly-mopped floor is slippery, but a wet shirt is super-clingy... so what's the deal? Why can water make some things slick and other things sticky?
SciShow
The Invisible Gas That Gave Us Galaxies
More than half of all the matter in the universe is out in the dark, 'empty space.' Although it's basically invisible, the intergalactic medium has a lot to tell us about the stuff we can see.
SciShow
Identity Politics: How All Your Identities Sway Your Vote
People throw out the term "identity politics" as a way to say that someone is wrong, but the truth is, it's something that affects the way all of us vote.
SciShow
Should You Stop Saying 'Like' and 'Um'?
Y’know lots of people say you shouldn’t use, like...filler words, but uh, should you really like, stop using them?
TED-Ed
TED-ED: Where do new words come from? - Marcel Danesi
There are over 170,000 words currently in use in the English language. Yet every year, about a thousand new words are added to the Oxford English Dictionary. Where do they come from, and how do they make it into our everyday lives?...
TED Talks
TED: What we don't teach kids about sex | Sue Jaye Johnson
As parents, it's our job to teach our kids about sex. But beyond "the talk," which covers biology and reproduction, there's so much more we can say about the human experience of being in our bodies. Introducing "The Talk 2.0," Sue Jaye...
Be Smart
Where Did Humans Come From?
In part 1 of our special series on human ancestry, we tour through our family tree to meet our ancestors and distant cousins, and to find out what made us human along the way.
The story of human ancestry is not a simple progression from...
Curated Video
What Are Beard Transplants & Sideburn Transplants?
Howcast - Learn about beard transplants and sideburn transplants from hair transplant surgeon Craig Ziering, MD in this Howcast video.
Curated Video
Foam Rolling vs. Massage Therapy
Howcast - Learn how foam rolling measures up to massage therapy in this Howcast video featuring certified NYC trainer Amanda Edell.
Curated Video
How to Help Your Friends & Neighbors Save Money on Energy
Howcast - Spread the word: It's easy to reduce energy consumption! By sharing these tips, you'll help friends and family use less energy and save money.
Curated Video
How to Do a Zero Spin on In-Line Skates
Howcast -Learn how to do a zero spin on rollerblades from in-line skater Tim Phang in this Howcast video.
Curated Video
How to Fix Air Leaks in Your Home
Having a 1/16-inch unsealed crack around a window is like leaving that window open 3 inches. Decrease your heating bill and your energy use by sealing up air leaks.
Curated Video
What is a Black Swan?
The Black Swan is a book about risk, by polymath, Nassim Nicolas Taleb.
Black Swans risks that meet
3 criteria
1. Outlier - not expected from prev
ious experience
3. E
xplainable...
Black Swans risks that meet
3 criteria
1. Outlier - not expected from prev
ious experience
3. E
xplainable...