MIT grad student David Merrill demos Siftables -- cookie-sized, computerized tiles you can stack and shuffle in your hands. These future-toys can do math, play music, and talk to their friends, too. Is this the next thing in hands-on learning?

We all strive for happiness -- but we spend most of our lives learning to be unhappy, says Srikumar Rao. In this practical talk, he teaches how to break free of the "I'd be happy if ..." mental model, and embrace our hard-wired happiness.

Conversing onstage with an AI persona she created just for this talk, Mariana Lin, one of the principal writers for the voice of Siri, shares what she's learned designing artificial personalities -- and calls on tech companies to get more creative when bringing AI to life in all its messy, complicated glory.

How can we create an education system that works for kids, instead of against them? Watch eight inspiring talks from TED's May 2013 PBS special, given in their entirety.

What's a proven way to lower your energy costs? Would you believe: learning what your neighbor pays. Alex Laskey shows how a quirk of human behavior can make us all better, wiser energy users, with lower bills to prove it.

Watch science in action in this original TED series about cutting-edge neuroscience experiments on a shoestring budget.

Reddit co-founder Alexis Ohanian picks 9 talks on the global idea flow. He says, "On an open Internet, where all links are created equal, good ideas win. Anyone, anywhere can share an idea that can be seen by millions."

You spend a quarter of your life at work. You should enjoy it! Organizational psychologist Adam Grant takes you inside the minds of some of the world's most unusual professionals to discover the keys to better work life. From learning how to love your rivals to harnessing the power of frustration, one thing's for sure: You'll never see your job ...

We're not done with anatomy. We know a tremendous amount about genomics, proteomics and cell biology, but as Diane Kelly makes clear at TEDMED, there are basic facts about the human body we're still learning. Case in point: How does the mammalian erection work?

You spend a quarter of your life at work. You should enjoy it! Organizational psychologist Adam Grant takes you inside the minds of some of the world's most unusual professionals to discover the keys to better work life. From learning how to love your rivals to harnessing the power of frustration, one thing's for sure: You'll never see your job ...

Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that shows how much we learn in the womb -- from the lilt of our native language to our soon-to-be-favorite foods.

Pleo the robot dinosaur acts like a living pet -- exploring, cuddling, playing, reacting and learning. Inventor Caleb Chung talks about Pleo and his wild toy career at EG07, on the week that Pleo shipped to stores for the first time.

Four-star general Stanley McChrystal shares what he learned about leadership over his decades in the military. How can you build a sense of shared purpose among people of many ages and skill sets? By listening and learning -- and addressing the possibility of failure.

At MIT, Dina Katabi and her team are working on a bold new way to monitor patients' vital signs in a hospital (or even at home), without wearables or bulky, beeping devices. Bonus: it can see through walls. In a mind-blowing talk and demo, Katabi previews a system that captures the reflections of signals like Wi-Fi as they bounce off people, cre...

The algorithms we've created to make our lives more organized and less chaotic are also learning from our behavior -- and our biases. Roboticist Ayanna Howard explores ways we can train our tech to be fairer than us, asking: How can we be more accountable in our relationships with robots?

They're the second-largest fish in the world, they're almost extinct, and we know almost nothing about them. In this talk, Simon Berrow describes the fascinating basking shark ("great fish of the sun" in Irish), and the exceptional -- and wonderfully low-tech -- ways he's learning enough to save them.

Working hard but not improving? You're not alone. Eduardo Briceño reveals a simple way to think about getting better at the things you do, whether that's work, parenting or creative hobbies. And he shares some useful techniques so you can keep learning and always feel like you're moving forward.

Fun doesn’t stop at adulthood. Reconnect with your sense of wonder and imagination in these playful talks.

What is killing the Tasmanian devil? A virulent cancer is infecting them by the thousands -- and unlike most cancers, it's contagious. Researcher Elizabeth Murchison tells us how she's fighting to save the Taz, and what she's learning about all cancers from this unusual strain. Contains disturbing images of facial cancer.

Kiran Bedi has a surprising resume. Before becoming Director General of the Indian Police Service, she managed one of the country's toughest prisons -- and used a new focus on prevention and education to turn it into a center of learning and meditation. She shares her thoughts on visionary leadership at TEDWomen.

Eduardo Briceño is a learner, leader, speaker and writer devoted to enabling a more learning-oriented world.

Basketball is a fast-moving game of improvisation, contact and, ahem, spatio-temporal pattern recognition. Rajiv Maheswaran and his colleagues are analyzing the movements behind the key plays of the game, to help coaches and players combine intuition with new data. Bonus: What they're learning could help us understand how humans move everywhere.

Imagine it's late 1990, and you've just met a nice young man named Tim Berners-Lee, who starts telling you about his proposed system called the World Wide Web. Ian Ritchie was there. And ... he didn't buy it. A short story about information, connectivity and learning from mistakes.

Onstage at TED2014, Google CEO Larry Page talks about his far-off vision for the company. It includes aerial bikeways and internet balloons ... and then it gets even more interesting, as Page talks through the company's recent acquisition of Deep Mind, an AI that is learning some surprising things.

What convinced British citizens to send in their taxes on time? And what resulted in San Diego residents reducing their energy consumption? Learning that their neighbors were doing it. Behavioral psychologist Wendy De La Rosa shares the surprising power of our peers and how we can use it to improve our financial habits.

The danger of artificial intelligence isn't that it's going to rebel against us, but that it's going to do exactly what we ask it to do, says AI researcher Janelle Shane. Sharing the weird, sometimes alarming antics of AI algorithms as they try to solve human problems -- like creating new ice cream flavors or recognizing cars on the road -- Shan...

In the face of artificial intelligence and machine learning, we need a new radical humanism, says Tim Leberecht. For the self-described "business romantic," this means designing organizations and workplaces that celebrate authenticity instead of efficiency and questions instead of answers. Leberecht proposes four (admittedly subjective) principl...

Intriguing fact: adults who share a recovery room with children recover faster than those who don't. But why? Erick Brethenoux wants to deconstruct complex human emotions by applying big data analytics, so that positive learning like this can be applied more widely. But he also sees the potential for abuse, and explains why we need to tread care...

In the United States, the agencies that govern prisons are often called 'Department of Corrections.' And yet, their focus is on containing and controlling inmates. Dan Pacholke, Deputy Secretary for the Washington State Department of Corrections, shares a different vision: of prisons that provide humane living conditions as well as opportunities...

The abrupt shift to online learning due to COVID-19 rocked the US education system, unearthing many of the inequities at its foundation. Educator Nora Flanagan says we can reframe this moment as an opportunity to fix what's long been broken for teachers, students and families -- and shares four ways schools can reinvent themselves for a post-pan...