iO Tillett Wright has photographed 2,000 people who consider themselves somewhere on the LGBTQ spectrum -- and asked many of them: Can you assign a percentage to how gay or straight you are? Most people, it turns out, consider themselves...

Your boss probably isn't paying you what you're worth -- instead, they're paying you what they think you're worth. Take the time to learn how to shape their thinking. Pricing consultant Casey Brown shares helpful stories and learnings...

When faced with life's toughest circumstances, how should we respond: as an optimist, a realist or something else? In an unforgettable talk, explorer Mark Pollock and human rights lawyer Simone George explore the tension between...

Dr. Amanda Duley of the spectrUM Discovery Area's BrainLab joins the show to share some of the activities that visitors of the lab get to experience and Jessi from Animal Wonders brings on Joy the blue-and-gold macaw.

In 2010, technologist Tan Le took the TEDGlobal stage to demo a powerful new interface. But now, at TEDxWomen, she tells a very personal story: the story of her family -- mother, grandmother and sister -- fleeing Vietnam and building a...

When General Stanley McChrystal started fighting al Qaeda in 2003, information and secrets were the lifeblood of his operations. But as the unconventional battle waged on, he began to think that the culture of keeping important...

Phyllis Rodriguez and Aicha el-Wafi have a powerful friendship born of unthinkable loss. Rodriguez' son was killed in the World Trade Center attacks on September 11, 2001; el-Wafi's son Zacarias Moussaoui was convicted of a role in those...

Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not to mention his numerous artistic masterpieces. Today...

"Where does it hurt?" It's a question that activist and educator Ruby Sales has traveled the US asking, looking deeply at the country's legacy of racism and searching for sources of healing. In this moving talk, she shares what she's...

Photographer and TED Fellow Isadora Kosofsky is a chronicler of love, loss and loneliness. In this searching talk, she shares photos from her four years documenting the lives of a senior citizen love triangle -- and reveals what they can...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

Around the world, black girls are being pushed out of schools because of policies that target them for...

Cú Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly— all for the sake of a single bull. The army in question belonged to Queen Meadhbh of Connaught. Enraged at her husband's possession...

From what we know about Titan, it seems like its atmosphere should have disappeared millions of years ago. So, why hasn’t it?

Given the scale of the challenge, the conversation around climate change is often tinged with doom and gloom. But climate tech investor Gabriel Kra thinks we need to reframe the crisis as a source of tremendous opportunity. He offers...

How much do you get paid? How does it compare to the people you work with? You should know, and so should they, says management researcher David Burkus. In this talk, Burkus questions our cultural assumptions around keeping salaries...

MIT Media Lab founder Nicholas Negroponte takes you on a journey through the last 30 years of tech. The consummate predictor highlights interfaces and innovations he foresaw in the 1970s and 1980s that were scoffed at then but are...

Ukraine is on the front line of a war between freedom and tyranny, says chess grandmaster and human rights advocate Garry Kasparov. In this blistering call to action, he traces Vladimir Putin's rise to power and details his own path from...

When you imagine a walrus, you probably picture it way smaller than it actually is. It’s because our brains meddle with our senses in more ways than you might expect.

This week on SciShow news Hank explains what Curiosity has found, . . .water on Mars!

Back in 2014, an international team of astronomers was taking pictures of distant galaxies, when they noticed a dot moving across their images. Could it be Planet Nine?

With lightning on her tongue, Sunni Patterson performs her powerful poem, "Wild Women," accompanied by the entrancing moves of dancer Chanice Holmes.

Solar storms are really common, but occasionally they can be huge, causing more than pretty light shows in the auroras. What would happen nowadays if we had a massive solar storm?

"North Korea is unimaginable," says human rights activist Yeonmi Park, who escaped the country at the age of 13. Sharing the harrowing story of her childhood, she reflects on the fragility of freedom -- and shows how change can be...

Since its founding in 1851, the "New York Times" has published thousands of obituaries -- for heads of state, famous celebrities, even the inventor of the sock puppet. But only a small percentage of them chronicle the lives of women and...