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How An Infinite Hotel Ran Out Of Room

AdultsCreativityEducationLife...
If there's a hotel with infinite rooms, could it ever be completely full? Could you run out of space to put everyone? The surprising answer is yes -- this is important to know if you're the manager of the Hilbert Hotel.

TRUE Limits Of Humanity – The Final Border We Will Never Cross

AdultsEducationHumanLife
Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?

Proteins: Explained

AdultsEducationFoodScience...
You might already know that proteins are a fundamental part of your diet, but they're much more than that.

New Feature - Release Exercise Answers

TeachersTeacher CafeEducation
Exercise answers are now hidden from the students by default. You can release the answers at any time by clicking on this icon.

New Feature - Share Exercises with Multiple Classes

TeachersTeacher CafeEducation
Teachers can now share an exercise with multiple classes at once.

This is why we can't have nice things

AdultsEducationLifeTechnology...
This video is about stuff: light bulbs, printers, phones and why they aren't better.

Can you solve the fantasy election riddle? - Dennis E. Shasha

AdultsEducationHumanMath...
After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy.

How much electricity does it take to power the world?

AdultsEducationTechnologyWorld...
Discover how much electricity humanity uses, and how clean energy sources could help revolutionize our energy supply in the future.

What if the World turned to Gold? - The Gold Apocalypse

AdultsEducationEnvironmentWorld...
The Map of Evolution and other sciency posters, researched and designed with love, are now available on the kurzgesagt shop.

Illusions of Time

AdultsEducationHumanPsychology...
Your brain is a time machine!

Why Robots That Bend Are Better

AdultsEducationScienceTechnology...
Robots of the future may be softer, squishier and bendier than robots today. This could make them ideal for space exploration. Check out http://kiwico.com/Veritasium50​ for 50% off your first month of any subscription!

The artist who won a Nobel Prize... in medicine - Melanie E. Peffer

AdultsEducationHistoryHuman...
Explore how a scientist and artist discovered how our brains transmit signals throughout the body, and laid the foundation for modern neuroscience.

MEXTESOL Virtual Event

TeachersEducationSpeakingTeacher Cafe
Registro gratuito: viviana.herrera@utna.edu.mx VIDEOCONFERENCIA 29 DE ENERO 12:00 p.m. Plataforma Zoom EXPOSITORES: Dra. Ruth Ban - Barry University (Miami, Florida) Dra. Darlene González -Universidad Guanajuato (Xalapa, Veracruz) Mtra. Xóchitl León -Universidad Ibero (Torreón, Coahuila)

Accent Expert Gives a Tour of U.S. Accents - (Part One)

AdultsEducationHumanListening
Dialect coach Erik Singer takes us on a tour of different accents across English-speaking North America.

How to use originality reports in Google Classroom

TeachersEducationProductivityTeacher Cafe
Help students keep their ideas authentic with originality reports, available as part of Google Classroom and Assignments through the collaborative tools of G Suite for Education.

The Illusion Only Some Can See

AdultsEducationPsychologyScience
Ames window illusion illustrates how we don't directly perceive external reality.

These squids can fly... no, really - Robert Siddall

AdultsAnimalsEducationNature
Dive into the incredible flying capabilities of squids, and how they use flight as a survival tactic.