SciShow
Record Cold Winter Could Be Thanks To Global Warming
Some people argue that the Polar Vortex is evidence against global climate change, but there’s actually growing evidence that a warming Arctic means colder winters.
3Blue1Brown
Backpropagation calculus | Appendix to deep learning chapter 3
The math of backpropagation, the algorithm by which neural networks learn.
MinutePhysics
Length Contraction and Time Dilation | Special Relativity Ch. 5
This video is chapter 5 in my series on special relativity, and it covers how things that are moving (that is, moving relative to an inertial reference frame) at different speeds appear to be shorter in length... and longer in length....
TED Talks
Paul Rothemund: Playing with DNA that self-assembles
Paul Rothemund writes code that causes DNA to arrange itself into a star, a smiley face and more. Sure, it's a stunt, but it's also a demonstration of self-assembly at the smallest of scales -- with vast implications for the future of...
TED Talks
Jinsop Lee: Design for all 5 senses
Good design looks great, yes -- but why shouldn't it also feel great, smell great and sound great? Designer Jinsop Lee (a TED Talent Search winner) shares his theory of 5-sense design, with a handy graph and a few examples. His hope: to...
TED Talks
Marian Wright Edelman: Reflections from a lifetime fighting to end child poverty
What does it take to build a national movement? In a captivating conversation with TEDWomen curator Pat Mitchell, Marian Wright Edelman reflects on her path to founding the Children's Defense Fund in 1973 -- from the early influence of...
TED Talks
TED: Can we stop climate change by removing CO2 from the air? | Tim Kruger
Could we cure climate change? Geoengineering researcher Tim Kruger wants to try. He shares one promising possibility: using natural gas to generate electricity in a way that takes carbon dioxide out of the air. Learn more -- both the...
Bozeman Science
Proper Group Size for Learning
Paul Andersen describes his philosophy for group size. One is for learning, active and private. Two is for teaching, it goes both ways. Three is for working, the jobs divided. Four is for nothing but wasting the days.
TED Talks
TED: How to end the pandemic -- and prepare for the next | Maria Van Kerkhove
We will get out of this pandemic, says Maria Van Kerkhove, the COVID-19 Technical Lead of the World Health Organization (WHO). The question is how fast -- and if we'll take what we've learned from the past two years and apply it to the...
3Blue1Brown
Higher order derivatives | Footnote, Essence of calculus
What is the second derivative? Third derivative? How do you think about these?
TED Talks
Emily Balcetis: Why some people find exercise harder than others
Why do some people struggle more than others to keep off the pounds? Social psychologist Emily Balcetis shows research that addresses one of the many factors: our vision. In an informative talk, she shows how when it comes to fitness,...
Be Smart
My Date With A Giant Pacific Octopus!
Joe went behind the scenes at Monterey Bay Aquarium to meet the Giant Pacific Octopus, a powerful and curious creature that challenges many of our notions of intelligence!
TED-Ed
TED-Ed: The "End Of History" Illusion - Bence Nanay
Time and time again, we've failed to predict that the technologies of the present will change the future. Recently, a similar pattern was discovered in our individual lives: we're unable to predict change in ourselves. But is there...
TED Talks
TED: A future with fewer cars | Freeman H. Shen
What if your car could drop you off and then find parking by itself? According to electric vehicle entrepreneur Freeman H. Shen, this technology already exists. He shares his vision for a future where AI-powered electric vehicles will...
TED Talks
TED: Are China and the US doomed to conflict? | Kevin Rudd
The former prime minister of Australia, Kevin Rudd is also a longtime student of China, with a unique vantage point to watch its power rise in the past few decades. He asks whether the growing ambition of China will inevitably lead to...
SciShow
How Losing Your Job Changes You
Unexpectedly losing a job is hard, but it can also change you in the long term, setting off a cycle that may be hard to break out of, and leaving lasting effects on the way you see and interact with the world.
Crash Course
The Railroad Journey and the Industrial Revolution: Crash Course World History 214
In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much...
TED Talks
The tribes we lead - Seth Godin
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Seth Godin argues the Internet has ended mass marketing and revived a human social unit from the distant past:...
TED Talks
TED: The inside story of the Paris climate agreement | Christiana Figueres
What would you do if your job was to save the planet? When Christiana Figueres was tapped by the uN to lead the Paris climate conference (COP 21) in December 2015, she reacted the way many people would: she thought it would be impossible...
Bozeman Science
Unit 1 Review - Natural Selection
Paul Andersen reviews the major within the first unit on natural selection. He starts by defining evolution and explaining how evolution can occur in a population. He reviews the population genetics and camouflage lab. He reviews genetic...
SciShow
3 Ways Physics Can Help Us Understand the Brain
Brains are mysterious! Living brains are particularly tough to study, but sometimes scientists can use techniques from other disciplines to get a clearer picture. Here are some ways scientists are adapting tools developed for looking at...
TED Talks
Humanity's planet-shaping powers -- and what they mean for the future | Achim Steiner
Humanity now has incredible power to shape nature and the Earth: the power to destroy and the power to repair, says sustainability champion and UNDP Administrator Achim Steiner. In this action-oriented talk, Steiner shows how this power...
SciShow
Studying the Solar Eclipse: SciShow Talk Show
Jen Fowler of the Montana Space Grant Consortium joins us this week to talk about her work with weather balloons and the upcoming solar eclipse, and Jessi from Animal Wonders brings along Gaia the Southern Three-Banded Armadillo!
TED Talks
TED: How to escape the cynicism trap | Jamil Zaki
Some days, it's hard to be optimistic. But cynicism -- the idea that people are inherently selfish, greedy and dishonest -- is making humanity lonelier and more divided, says psychologist Jamil Zaki. Presenting fascinating research on...