We've been talking about the unavoidables recently. Last time, we covered Death. This time, it's taxes. So, what are taxes? Why do we pay taxes? What is all that tax money used for? This week, Adriene is going to cover all that and more....

Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells.

Australia will perpetually encounter the season opposite to the one we in the northern hemisphere will encounter, so does this means that Australia will never get a white Christmas?

Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...

The next entry in our parade of heroes is Rama, the protagonist of the Ramayana, one of India's oldest stories. We're going to be talking about Rama's importance to Hindu culture, and how Rama fits into Campbell's idea of the Hero's...

You can't just "find" motivation, says scientist Ayelet Fishbach — you have to learn how to motivate yourself. She shares a handful of tips backed by 20 years of motivation research, offering surprisingly simple wisdom on how to optimize...

From a boy setting off small explosions in his living room to the creator of world-famous pyrotechnic events, multidisciplinary artist Cai Guo-Qiang has always been drawn to gunpowder. He gives a stunning tour of his work — including his...

Allyson Felix reflects on her transition from professional athlete to entrepreneur and advocate, describing it as a challenging but purposeful journey. Drawing on her experiences in sports, she emphasizes perseverance, adapting her...

Scott Galloway addresses a question about the actionable potential of his talk, which connects a dense array of issues and inspires a desire for change. He emphasizes political engagement, support for young people through local...

Social media can offer critical support networks for marginalized groups, such as LGBTQ youth, who may struggle to find connections in their immediate environments. However, Scott Galloway argues that despite some benefits, the...

In this exchange, Galloway addresses criticism regarding his comments on obesity and diabetes by emphasizing the role of systemic issues like food deserts, industrial food companies, and lack of access to healthcare innovations like...

In this discussion, NYU professor Scott Galloway critiques the growing economic disparity fueled by outdated policies and inequitable resource allocation. Proposals include revising Social Security to include means-testing and raising...

This conversation between the head of TED, Chris Anderson and NYU professor Scott Galloway explores the widespread impact of Galloway's recent TED talk, which received both overwhelmingly positive feedback and constructive pushback....

Amir Nizar Zuabi and Kristine McDivitt Tompkins discuss their shared concerns about humanity's lack of compassion and the interconnected crises of climate change, social injustice, and species extinction. Zuabi reflects on storytelling...

Kristine McDivitt Tompkins and Amir Nizar Zuabi discuss their views on optimism in the face of global challenges. Tompkins expresses concern for the current century due to the climate crisis and its devastating impacts but hopes humanity...

Amir Nizar Zuabi and Kristine McDivitt Tompkins discuss the power of art and conservation in addressing global challenges. Zuabi reflects on his projects, including the moving puppet Amal and "The Herds," which use beauty and...

Yara Shahidi and Anil Seth explore the complexities of self-perception and identity, discussing how acting and neuroscience reveal the dynamic and multifaceted nature of the self. Shahidi reflects on how embodying characters deepens her...

Actor Yara Shahidi and neuroscientist Anil Seth explore the nature of consciousness and its implications. Seth reflects on his lifelong fascination with the mystery of why we experience the world as we do, linking it to practical...

In a conversation between cognitive neuroscientist Anil Seth and actor Yara Shahidi, they explore the interplay between perception, self-awareness, and acting. Seth delves into the neuroscience of experiencing oneself, while Shahidi...

Allyson Felix reflects on her commitment to advancing gender equality and maternal rights, particularly in sports. She emphasizes the importance of normalizing child care at major events and advocating for better policies supporting...

The Olympics inspire dreams by showcasing athletes' dedication and passion while reminding viewers of the hard work, struggles, and triumphs behind the scenes. Beyond athletics, the Games highlight global diversity, humanizing stories...

Allyson Felix highlights the importance of addressing mental health in sports, advocating for improved resources like therapy and coaching training to create healthier environments for athletes. She emphasizes the need to reduce stigma,...

Allyson Felix, retired track start, is campaigning for a seat on the International Olympic Committee's Athletes' Commission. She hopes to amplify athletes' voices and advocate for meaningful change, such as enhancing family support and...

During the 2024 Summer Olympics in Paris, retired track star Allyson Felix joined the event as a spectator. In this discussion with TED's Whitney Pennington Rodgers, Felix reflects on her transition to life after competition while...