Social justice belongs in our schools, says educator Sydney Chaffee. In a bold talk, she shows how teaching students to engage in activism helps them build important academic and life skills -- and asks us to rethink how we can use...

Seema Bansal forged a path to public education reform for 15,000 schools in Haryana, India, by setting an ambitious goal: by 2020, 80 percent of children should have grade-level knowledge. She's looking to meet this goal by seeking...

A new detector can use neutrinos to help us take a peek inside Earth, and a study of jellyfish galaxies can help us understand more about an unsolved problem in astronomy.

Do you think you're good at spotting fake videos, where famous people say things they've never said in real life? See how they're made in this astonishing talk and tech demo. Computer scientist Supasorn Suwajanakorn shows how, as a grad...

AI can do some pretty amazing things, but if we want it to learn on its own, we're going to have to teach AI how to evolve.

Our star continuously throws out streams of charged particles at more than 500 kilometers per second, something we call Solar Wind. And just like regular weather can be unpredictable and dangerous, space weather can be, too. Meanwhile,...

The COVID-19 pandemic changed the way we work for good. Can it also change it for the better? Consultant Patty McCord reviews four key insights employers and employees alike gleaned from their shift to working from home -- and shares how...

Paul Andersen answers the following question: How do organisms grow and develop?

Paul Andersen explains patterns and describes why pattern recognition is an important skill in science and engineering. He begins by discussing patterns in nature, including snowflakes, flower petals, seasons and nucleotides in DNA. He...

ThinkBlocks were invented by Derek Cabrera at Cornell.

Laparoscopic surgery uses minimally invasive incisions -- which means less pain and shorter recovery times for patients. But Steven Schwaitzberg has run into two problems teaching these techniques to surgeons around the world: language...

Finding a red nugget galaxy is like discovering a time capsule from the early universe.

Charles Leadbeater went looking for radical new forms of education -- and found them in the slums of Rio and Kibera, where some of the world's poorest kids are finding transformative new ways to learn. And this informal, disruptive new...

The story of Atlantis, a mythological continent that vanished into the sea after its inhabitants displeased the gods, has fascinated people for thousands of years. However, the idea of a whole continent sinking into the ocean may be more...

Humans judge each other within 33 milliseconds of seeing each other! We learn better if we think we have to teach someone else, and video games are good for us!

Cave diver Jill Heinerth explores the hidden underground waterways coursing through our planet. Working with biologists, climatologists and archaeologists, Heinerth unravels the mysteries of the life-forms that inhabit some of the...

Mistletoe's ability to stay green through harsh, cold weather has made it a symbol of holiday romance for centuries. But it relies on some very strange (and occasionally disgusting) adaptations to stay vibrant and healthy all winter long.

2013 was a year of hype for MOOCs (massive open online courses). Great big numbers and great big hopes were followed by some disappointing first results. But the head of edX, Anant Agarwal, makes the case that MOOCs still matter -- as a...

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,...

Great design is a never-ending journey of discovery -- for which it helps to pack a healthy sense of humor. Sociologist and surfer-turned-designer David Carson walks through a gorgeous (and often quite funny) slide deck of his work and...

NASA is sending a robot to Saturn’s giant moon Titan and instead of landing, orbiting, or driving when it gets there, this mission will fly.

Two scientists have proposed that Planet Nine could actually be a black hole, and a handful of telescopes observed a distant black hole absolutely destroying a star!

I just hit 100,000 subscribers and so I put together this Q&A video.

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It may produce creepy images with way too many dogs and eyeballs, but Google’s DeepDream program is actually a valuable window into artificial intelligence.