TED-Ed
TED-Ed: Why plague doctors wore beaked masks | TED-Ed
The year is 1656. Your body is wracked by violent chills. Your head pounds and you're too weak to sit up. In your feverish state, you see a strange-looking man wearing a beak-like mask, his body covered from head to toe. Without seeing...
TED Talks
Carson Bruns: Could a tattoo help you stay healthy?
Can we make tattoos both beautiful and functional? Nanotechnologist Carson Bruns shares his work creating high-tech tattoos that react to their environment -- like color-changing ink that can tell you when you're getting a sunburn -- and...
TED Talks
TED: In the opioid crisis, here's what it takes to save a life | Jan Rader
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. As a fire chief and first responder, Jan Rader has spent her career saving lives. But when the opioid epidemic hit...
TED Talks
Fields Wicker-Miurin: Learning from leadership's missing manual
Leadership doesn't have a user's manual, but Fields Wicker-Miurin says stories of remarkable, local leaders are the next best thing. At a TED salon in London, she shares three.
TED Talks
Gary Lauder's new traffic sign: Take Turns
Fifty percent of traffic accidents happen at intersections. Gary Lauder shares a brilliant and cheap idea for helping drivers move along smoothly: a new traffic sign that combines the properties of "Stop" and "Yield."
TED Talks
Linda Cliatt-Wayman: How to fix a broken school? Lead fearlessly, love hard
On Linda Cliatt-Wayman's first day as principal at a failing high school in North Philadelphia, she was determined to lay down the law. But she soon realized the job was more complex than she thought. With palpable passion, she shares...
TED Talks
Ismael Nazario: What I learned as a kid in jail
As a teenager, Ismael Nazario was sent to New York’s Rikers Island jail, where he spent 300 days in solitary confinement -- all before he was ever convicted of a crime. Now as a prison reform advocate he works to change the culture of...
TED Talks
TED: How we read each other's minds | Rebecca Saxe
Sensing the motives and feelings of others is a natural talent for humans. But how do we do it? Here, Rebecca Saxe shares fascinating lab work that uncovers how the brain thinks about other peoples' thoughts -- and judges their actions.
SciShow
Why Does Everything Stink Less in Winter?
There are lots of reasons stinky things don’t smell as strong in cold weather. You can maybe guess some of the reasons, but others may surprise you!
SciShow
How Does Space Change Your Brain?
We've been sending people to space since the '60s, and we're just now starting to learn what that does to their brains.
Bozeman Science
Planning and Carrying Out Investigations
In this video Paul Andersen explains how you can have your students plan and carry out their own investigations.
Bozeman Science
Equilibrium Disturbances
In this video Paul Andersen explains how disturbances to a reversible reaction at equilibrium affect the equilibrium constant and the reaction quotient. For example if the concentration is changed the reaction will move to reestablish...
Crash Course Kids
The Life Hydrologic
Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go.
Crash Course
Conjugation & UV-Vis Spectroscopy: Crash Course Organic Chemistry
Carrots get their orange-y color from, you guessed it, an organic chemical. This chemical, called beta carotene, gets its pigment from its conjugated electron system. We’ve talked some already about conjugation, but in this episode of...
TED Talks
Hajer Sharief: How to use family dinner to teach politics
Everyone should participate in decision-making and politics -- and it starts at home, says activist Hajer Sharief. She introduces a simple yet transformative idea: that parents can teach their children about political agency by giving...
Crash Course
Can We Predict An Outbreak's Future? - Modeling: Crash Course Outbreak Science
When outbreaks happen, we need to be able to predict the course they’ll take in the future, but of course we can’t run experiments on real people to figure that out. Thankfully we can simulate outbreaks and use models to find out how...
TED-Ed
TED-ED: How to master your sense of smell - Alexandra Horowitz
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible...
TED Talks
TED: The eco-creators helping the climate through social media | Zahra Biabani
Climate doom-ism, or a pessimistic outlook on the future of the planet, rivals climate denialism in holding up the fight against climate change, says activist Zahra Biabani. Illuminating how hope combats inaction, she takes us inside the...
TED Talks
TED: How to build a thriving music scene in your city | Elizabeth Cawein
How does a city become known as a "music city"? Publicist Elizabeth Cawein explains how thriving music scenes make cities healthier and happier and shares ideas for bolstering your local music scene -- and showing off your city's talent...
TED Talks
Philip Rosedale: Life in Second Life
Why build a virtual world? Philip Rosedale talks about the virtual society he founded, Second Life, and its underpinnings in human creativity. It's a place so different that anything could happen.
TED Talks
TED: The illusion of consciousness | Dan Dennett
Philosopher Dan Dennett makes a compelling argument that not only don't we understand our own consciousness, but that half the time our brains are actively fooling us.
SciShow
Stevie Boebi and Huckleberry the Beaver: SciShow Talk Show
Hank is joined this week by Stevie Boebi, lesbian sex expert and host of her own YouTube channel, as well as Jessi and Huckleberry from Animal Wonders!
SciShow
How Do You Choose Between Two Things?
Choosing between two things can be simple, or it could wrap our brains up in the what-ifs and lists of pros and cons. So how do we eventually come to the decision of choosing one of those two things?
3Blue1Brown
Backpropagation calculus: Deep learning - Part 4 of 4
The math of backpropagation, the algorithm by which neural networks learn.