Transport Layer Security (TLS) – Computerphile

It’s absolutely everywhere, but what is TLS and where did it come from? Dr Mike Pound explains the background behind this ubiquitous Internet security protocol. Heartbleed, Running the Code: Secure Web Browsing: Network Stacks & The Internet: Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science […]

The First Room Temperature Superconductor! (Still No Hoverboards) | SciShow News

Hot off the presses, this week has been cool! Researchers have discovered the first room-temperature superconductor, and another group has created a type of paint that actually stays cooler than the environment around it! Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at ———- Support SciShow […]

Structural Procrastination: An Effective Way to Procrastinate | Jiamin (George) Yu | TEDxYouth@YKPS

Procrastination, a word often associated with disease, is actually misunderstood. In his insightful speech, George Yu redefines procrastination and suggests a productive way to procrastinate. Senior YK Pao student and structural procrastinator. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at […]

“Luna Negra” / “Carita de Inocente” / “Corazón Sin Cara” / “Darte un Beso” | Prince Royce

Take action on climate change at “Climate change is the defining issue of our time. History is defined by moments when people rise up and cause change. The decisions we make as individuals add to this collective forward motion,” says Latin music superstar Prince Royce. He suggests a few ways everyday citizens can contribute […]

L’idea del progetto Erasmus | Sofia Corradi | TEDxModena

Fino al 2004 Sofia Corradi è stata Professore Ordinario di Educazione degli adulti (Lifelong learning) nel Dipartimento di Scienze dell’Educazione dell’Università degli Studi Statale “Roma Tre”, dove è stata anche Direttore del “Laboratorio di Educazione Permanente” e del “Corso di Perfezionamento in Teoria e Prassi dell’Educazione degli Adulti” (“Postgraduate Course in Lifelong Learning”). È un’attiva […]

Your Next iPhone Could be Made in India

The first 200 people to click my link will get 20% off their annual Premium subscription! — About ColdFusion — ColdFusion is an Australian based online media company independently run by Dagogo Altraide since 2009. Topics cover anything in science, technology, history and business in a calm and relaxed environment. ColdFusion Merch: INTERNATIONAL: […]

How to be a good ancestor | Roman Krznaric

Take action on climate change at Our descendants own the future, but the decisions and actions we make now will tremendously impact generations to come, says philosopher Roman Krznaric. From a global campaign to grant legal personhood to nature to a groundbreaking lawsuit by a coalition of young activists, Krznaric shares examples of ways […]

The technology that’s replacing the green screen

The green screen is a Hollywood staple. Should it be? It’s easy to complain about overreliance on special effects, but for projects that require impossible-to-film environments or have incredibly expensive shots, how do you get the flexibility of green screens without the drawbacks? Charmaine Chan has worked on one of the possible answers. Vox’s Phil […]

Fusion Energy Could Be a Reality in Less Than 5 Years

SPARC is aiming to be the first experimental device to achieve an energy-positive fusion reaction. New research suggests that this goal may soon be within reach. » Subscribe to Seeker! » Watch more Elements! » Visit our shop at With construction slated to begin in spring 2021, the team predicts it could […]

A global movement to solve global problems | Colombe Cahen-Salvador

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. We need to think beyond national borders to solve global problems, says activist Colombe Cahen-Salvador. Reimagining the world’s fractured systems of governance and calling out their ineffective responses to major issues — from the coronavirus pandemic to climate […]

Alice Hamilton: The Doctor Who Made Work Safer | Great Minds

During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning workers with lead! Oh, and some of her other research popularized mask-wearing as a way to reduce the spread […]

Reimagining Policing for the Good of All | Jahmeer Reynolds | TEDxMarin

A powerful story and vision for how to resolve the distrust between police and communities of color. Jahmeer Reynolds was born in Trenton, NJ and raised primarily by his grandmother, along with his parents and a host of relatives. His talent as an athlete allowed him to travel the world before completing high school.  After […]

Epistemological Elitism & the Power of Perspective | Grace Stearns | TEDxYouth@ASF

Ever sat in history class and felt like there was something missing from what you were learning? Grace did too. In a talk about how knowledge has consistently excluded minorities to keep a narrative of privilege, she reexamines our idea of experts as “people with lots of degrees” and shows us the wealth of perspectives […]

The Muscle Song (Memorize Your Anatomy) | SCIENCE SONGS

Thank you Google for sponsoring a portion of this video! To learn more about how Google helps protect your information online, visit Hope you enjoy this crash course the muscle anatomy. To watch more SCIENCE SONGS: Song created by Mitchell Moffit LYRICS: VERSE 1 See the chest You can flex Your pectoralis Major […]

Why American public transit is so bad | 2020 Election

Most Americans have no choice but to drive. How do we change that? What do you wish the presidential candidates would talk about? In the middle of the 20th century, the US government made a decision that would transform American cities: It built a huge system of interstate highways, many of which went right […]

The Z Machine Recreates a Dying Star on Earth

The age of the universe might be wrong, so a team of astrophysicists are using the Z Machine to recreate a piece of it on Earth. What does it take to resurrect a white dwarf star in the lab? »Subscribe to Seeker! »Watch more Focal Point | » Visit our shop at […]

Why Was the Islamic Golden Age of Science… Golden?

Around 750-1250 CE, the Islamic empire made incredible scientific advancements that still influence many fields of research today. What we know about some of the great minds of that time, as well as what we’ve learned from modern studies, suggest that the diversity of the scholars and their knowledge during that period might have played […]

How understanding science can help address fear | Lanxin Lei | TEDxYouth@UlinkShanghai

In the first month of COVID-19 outbreak, I realized that the lack of knowledge about virus rose people’s panic. In this TEDx talk, I will give out the scientific truth about virus. I hope my speech can encourage students to learn some biology in their daily life, since we might fight against virus for a […]

How humanity can reach the stars | Philip Lubin

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Could we exit our solar system, and enter another? Astrophysicist Philip Lubin discusses the awesome potential of using lasers to propel small spacecraft, enabling humanity’s first interstellar missions. Learn how this transformative technology could help us reach Proxima […]

Jumpstarting the Sustainable Energy Revolution : One City At a Time! | Jai Asundi | TEDxSusMafia

Jai Asundi lays out an ingenious idea to estimate and fulfill the solar potential of urban Indian cities, starting with Bengaluru, India. Jai Asundi is the Executive Director at the Center for Study of Science, Technology and Policy(CSTEP), Bangalore, India. He has been involved in research and policy projects in multiple areas and his current […]

22 Cryptids Explained

Cryptids, or animals that have been claimed to exist without proof of their existence, span the globe. From world-famous sea beasts like the Loch Ness Monster to more obscure creatures like the Mongolian Death Worm, these stories have popped up over the years in many cultures. Why are there so many questionable claims about the […]

Apple’s promise to be carbon neutral by 2030 | Lisa Jackson and Liz Ogbu

Take action on climate change at Under the leadership of Lisa Jackson, Apple’s environment and social VP and former head of the EPA, the company is already carbon neutral within their own corporate and retail boundaries. By 2030, Apple hopes to extend carbon neutrality to their supply chain and consumers. In conversation with urbanist […]

I’m Scared

I should have been honest about this much earlier. I need to tell you what’s really up. Follow me over on Twitch! It would mean a lot to me! Follow my Instagram and DM me!: Follow my TikTok for daily videos!: My other socials: My Twitter: My Facebook page: Everywhere […]

Inside the Most Powerful X-Ray Source in the World

The Z Machine is unlike any lab found on Earth. We visited this massive facility to find out how it’s recreating the extreme conditions of the universe. Part 2 will be live tomorrow. »Subscribe to Seeker! »Watch more Focal Point | » Visit our shop at The whole point of the Z […]

Solve if you are a “genius” – incredible hexagon puzzle!

Thanks to Elliott Line for the suggestion! Elliott is the editor of a bimonthly puzzle magazine, Enigma, available exclusively to members of Mensa (a high IQ society). Check out his website for many more great puzzles: General solution method on Math StackExchange Subscribe: Send me suggestions by email (address in video). I […]

Why Doesn’t All Thunder Sound The Same?

Use the promo code “minuteearth” at for 26% off an annual subscription to CuriosityStream, plus access to Nebula! We’ve all experienced thunder, but what ARE all those claps, booms, and rumbles? LEARN MORE ************** To learn more about this topic, start your googling with these keywords: Shock wave: a sharp change of pressure in […]

Which type of milk is best for you? – Jonathan J. O’Sullivan & Grace E. Cunningham

Dive into the most popular milks— dairy, almond, soy and oat— to find out which is healthiest for you and for the planet. — If you go to the store in search of milk, there are a dizzying number of products to choose from. There’s dairy milk, but also plant-based products such as almond, soy, […]

Is The Future Predetermined By Quantum Mechanics?

Einstein’s special theory of relativity combines space and time into one dynamic, unified entity – spacetime. But if time is connected to space, could the universe be anything but deterministic? And does that mean that the future is predestined? Sign Up on Patreon to get access to the Space Time Discord! Check out the […]

Can Our Parks Make Us More Resilient to Climate Change? | Katherine Peinhardt | TEDxKanzlerPark

Katherine Peinhardt’s research bridges the gap between placemaking and climate adaptation, exploring the ways that communities can build both physical and social resilience to climate change through their public spaces. Through her work at nonprofits focused on the public realm and on urban sustainability, Katherine developed a paradigm around resilient public spaces — which she […]

Human Rights as a Catalyst for Ambitious Climate Action | David Boyd | TEDxCFICanada

David R Boyd, the United Nations Special Rapporteur on human rights and the environment, discusses the way that human rights, including the right to a healthy environment have catalyzed more ambitious climate action across the world, from the Netherlands to Colombia. UN Special Rapporteur on human rights and the environment and author of The Rights […]

The Supernova That Measured The Universe

In 2015 astronomers successfully predicted the appearance of a supernova within a couple weeks. How did they do it? Win your Ultimate Tech Bundle by entering Fasthosts’ Techie Test here: This video was sponsored by Fasthosts. Special thanks to Geraint Lewis for consulting on gravitational lensing. Check out his YouTube channel: and books: […]

If you adults won’t save the world, we will | Xiye Bastida

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. In a deeply moving letter to her grandmother, Xiye Bastida reflects on what led her to become a leading voice for global climate activism — from mobilizing school climate strikes to speaking at the United Nations Climate Summit […]

How America could lose its allies | 2020 Election

What is NATO? And why is it still around? What do you wish the presidential candidates would talk about? For 150 years, the US avoided formal alliances. It occasionally went to war — fighting the War of 1812, the Spanish-American War, and World War I — but did so without entangling itself in promises […]

This Is Why Birds Are So Affected by Oil Spills

It takes a bit more than just soap and water to save a bird that has been in an oil spill, but the experts at International Bird Rescue are more than up for the challenge. » Subscribe to Seeker! » Watch more ReWild! » Visit our shop at We have all seen […]

Stephen Post: Learn to Forgive Because Bitterness is Bad For Your Health

Watch the newest video from Big Think: Join Big Think Edge for exclusive videos: ———————————————————————————- ———————————————————————————- ABOUT BIG THINK: Smarter Faster™ Big Think is the leading source of expert-driven, actionable, educational content — with thousands of videos, featuring experts ranging from Bill Clinton to Bill Nye, we help you get smarter, faster. S​ubscribe […]

Secrets of the mind and free will — revealed by magic tricks | Alice Pailhès

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Are you in control of your choices? Magic tricks might reveal otherwise, says scientist and illusionist Alice Pailhès. Watch closely as she performs magic tricks that unveil how your brain works, how you can be subtly influenced and […]

Could we harness the power of a black hole? – Fabio Pacucci

Download a free audiobook version of “Children of Time” and support TED-Ed’s nonprofit mission: Check out our full book recommendation: — Imagine a distant future when humans reach beyond Earth, forge cities on planets thousands of light-years away, and maintain a galactic web of trade and transport. What would it take to make […]

The First Conservation Efforts Protected… Poop?!

The idea of conservation might seem like a thing that’s only popped up in the last century or so, but organized efforts to conserve resources that directly benefit humans go back centuries! Hosted by: Michael Aranda SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at ———- Support SciShow by becoming […]

Prison Reform via Shakespeare | Dameion Brown | TEDxMarin

A former life sentence inmate makes a case for the power of Shakespeare inside our prisons. Dameion discovered Shakespeare through MSC’s Shakespeare at Solano Prison program while serving 23 years of a life sentence. Upon release, he took on the role of Othello, winning the Bay Area Theatre Critics Circle Award for “Best Actor.” He […]

Fast-Tracking Climate Progress With New Science and Technology | Marc Schaus | TEDxCFICanada

Marc Schaus, author of Our Livable World: Creating the Clean Earth of Tomorrow, speaks about the vast new scientific and technological advancements being developed around the world in both clean energy and carbon capture. Marc Schaus is a professional research specialist across the sciences for research ventures, craft product manuals, and policymakers. He is the […]