As 2015 comes to a close, we'd like to celebrate all of the amazing TEDx events that took place this year. Explore this mosaic of beautiful images from TEDx events around the world, and zoom in to find your event!

Corruption manifests in many ways -- from money-laundering shell companies to bribes to broken electoral systems. These speakers look boldly at what's wrong, and offer bold ideas on what we can do about it.

Upholding the truth (or not) has lasting implications. In this playlist, you'll hear a variety of ideas about finding and telling the truth. If you'd like to discuss this theme in small groups, visit TEDCircles.com.

The TED Residency program is an incubator for breakthrough ideas. Curious about what goes down at TED HQ? Check out ted.com/residency for more information (or to even become a Resident yourself).

All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that's OK -- if they don't work, don't fill a need or for any number of reasons. One of the fields where this problem is most pressing is zero-carbon technologies. Why is it vulnerable to this trap, and can we change it? E...

How much of what you think about psychology is actually wrong? In this whistle-stop tour of disproved ideas, Ben Ambridge shares nine popular ideas about psychology that have been proven wrong -- and uncovers a few surprising truths about how our brains really work.

How do creative people come up with great ideas? Organizational psychologist Adam Grant studies "originals": thinkers who dream up new ideas and take action to put them into the world. In this talk, learn three unexpected habits of originals -- including embracing failure. "The greatest originals are the ones who fail the most, because they're t...

Patricia Ryan is a longtime English teacher who asks a provocative question: Is the world's focus on English preventing the spread of great ideas in other languages? In other words: What if Einstein had to pass the TOEFL? It's a passionate defense of translating and sharing ideas.

Data visionary Hans Rosling's favorite talks keep an eye toward health, economics and population growth -- from business in Africa to youth culture in China.

As Dave Eggers says, "The best TED Talks make sense of complicated ideas and trends, and have an elegant simplicity to them. It’s plenty of time to get across a clear and bold idea.” Below, his notes on 4 great talks.

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."

Timothy Graf's experiences moving from America to England sparked some fresh ideas about immigration. Our exacting border policies often ignore the significant benefits delivered by the new perspectives of immigrants, fresh ideas that are vital for future success. He argues that smart countries should be lowering roadblocks and setting both caps...

Thinking out of the box -- it's one of the most cited strategies for innovation. Corporate philosopher Luc de Brabandere pondered exactly what was happening in our minds when we think creatively, and shares his own perspective on this strategy. He argues that the most incredible ideas don't come from just thinking beyond the perimeter of our cur...

Sculptor and engineer Arthur Ganson talks about his work -- kinetic art that explores deep philosophical ideas and is gee-whiz fun to look at.

An epidemic of bad, inefficient, overcrowded meetings is plaguing the world’s businesses — and making workers miserable. David Grady has some ideas on how to stop it.

We get stronger, not weaker, by engaging with ideas and people we disagree with, says Zachary R. Wood. In an important talk about finding common ground, Wood makes the case that we can build empathy and gain understanding by engaging tactfully and thoughtfully with controversial ideas and unfamiliar perspectives. "Tuning out opposing viewpoints ...

Inventor and MacArthur fellow Saul Griffith shares some innovative ideas from his lab -- from "smart rope" to a house-sized kite for towing large loads.

Conservatives and liberals both believe that they alone are motivated by love while their opponents are motivated by hate. How can we solve problems with so much polarization? In this talk, social scientist Arthur Brooks shares ideas for what we can each do as individuals to break the gridlock. "We might just be able to take the ghastly holy war...

Inventor Dean Kamen lays out his argument for the Segway and offers a peek into his next big ideas (portable energy and water purification for developing countries).

Alix Generous is a young woman with a million and one ideas -- she's done award-winning science, helped develop new technology and tells a darn good joke (you'll see). She has Asperger's, a form of autistic spectrum disorder that can impair the basic social skills required for communication, and she's worked hard for years to learn how to share ...

Matt Ridley argues that, through history, the engine of human progress and prosperity has been, and is, "ideas having sex with each other."

From our fear of women's bodies to our sheepishness around the word "nipple," our ideas about sex need an upgrade, say sex educators (and hilarious women) Tiffany Kagure Mugo and Siphumeze Khundayi. For a radical new take on sex positivity, the duo take the TED stage to suggest we look to Africa for erotic wisdom both ancient and modern, showing...

Starting with the simple tale of an ant, philosopher Dan Dennett unleashes a devastating salvo of ideas, making a powerful case for the existence of memes -- concepts that are literally alive.

¿Cómo hablas con alguien cuando su ideología le previene entender los hechos? Puedes celebrar el pluralismo de las ideas y escuchar con empatía, dice la docente y bióloga, la Dra. Guadalupe Nogués.

Daniel Libeskind builds on very big ideas. Here, he shares 17 words that underlie his vision for architecture -- raw, risky, emotional, radical -- and that offer inspiration for any bold creative pursuit.

Is coffee (or herbal tea, for the non-caffeinated) one of civilization's great unifiers? These TED Talks make a strong cup — we mean, case.

Architect Thom Mayne has never been one to take the easy option, and this whistle-stop tour of the buildings he's created makes you glad for it. These are big ideas cast in material form.

Philosopher-comedian Emily Levine talks (hilariously) about science, math, society and the way everything connects. She's a brilliant trickster, poking holes in our fixed ideas and bringing hidden truths to light. Settle in and let her ping your brain.

Erik Johansson creates realistic photos of impossible scenes -- capturing ideas, not moments. In this witty how-to, the Photoshop wizard describes the principles he uses to make these fantastical scenarios come to life, while keeping them visually plausible.

Child prodigy Adora Svitak says the world needs "childish" thinking: bold ideas, wild creativity and especially optimism. Kids' big dreams deserve high expectations, she says, starting with grownups' willingness to learn from children as much as to teach.