TED Talks Daily (HD video)

Scientists are getting closer to giving humans the power to communicate with their thoughts alone. In a live demo, researcher Chin-Teng Lin shows how brain-computer interfaces can translate a person's neural signals into text on a computer, potentially opening up a new realm of communication that turns silent thought into words.

Gabriella Lascano rose to prominence as a plus-size influencer, advocating for respect at any size with her natural blend of confidence and self-love. She shares how a friend's death led to a candid reassessment of her own health and sparked a viral conversation about the complex intersection of body image, community and personal growth.

When making a big decision, should you trust your gut or follow the data? Emergency manager Jonathan Reimer draws on his experience responding to some of Canada's largest wildfires to share advice on high-stakes decision-making that you can take to your boardroom, kitchen table or anywhere else.

Looking to level up your presentations? It might only take a poorly-drawn sketch, says professor Martin J. Eppler. He offers three tips to use visualizations at work, laying out how these simple tricks can boost creativity and communication, improve decision-making and lead to better collaboration among colleagues.

Musician Xiuhtezcatl raps, sings and plays piano in a performance seamlessly blending influences from his Indigenous and Mexican heritage.

In a lively conversation from TED's brand-new Next Stage, social scientist Kasley Killam, technologist Apolinário Passos and futurist AC Coppens explore the intricate dynamics of human-AI relationships — and show how AI is already changing the ways we live, work and connect with each other.

Math isn't just for "math kids" — it's for everyone, says learning expert Shalinee Sharma. She outlines four simple steps to transform your approach to math, creating an environment where any kid can develop a strong mathematical mind.

Why does losing weight often feel like an uphill battle? Physician Katherine Saunders unpacks how our bodies are wired to store fat, revealing that obesity isn’t simply a lack of willpower — it’s a complex, chronic disease rooted in evolutionary biology. She shares the science behind the latest breakthroughs in treatment, from lifestyle interventions to powerful new medications.

What was your favorite toy when you were a kid? Your answer might reveal more about you than you expect, says toy historian Chris Byrne. From Matchbox cars and Barbie to Rubik's Cube and Squishmallows, he explores how playthings reflect cultural values and influence who you become as an adult.

Climate change doesn't just melt ice caps, it also fuels conflict, corruption and division worldwide, explains TED Fellow and journalist Peter Schwartzstein. From droughts in Syria to rising seas in Bangladesh, he explores how climate stress escalates existing social instabilities — and underscores why every effort to curb a warming world matters, no matter how small.