TED Talks Daily

Could math help make American democracy more responsive to the people? From detecting gerrymandered districts to predicting the impact of alternative election methods like ranked-choice voting, neuroscientist Sam Wang outlines how computer simulations can help fix the bugs in US democracy — and put it on the path to repair.

Why are some people really funny and others ... not so much? Comedian Chris Duffy shows how you can sharpen your sense of humor and start laughing every day — by seeing the world like a kid.

We waste a staggering one trillion dollars worth of food each year, significantly contributing to greenhouse gas emissions and the climate crisis. Food waste expert Dana Gunders shares innovative solutions to reduce waste — from solar-powered cold rooms to apps that sell discounted restaurant leftovers — and shares tips on how you can keep good food from going to the trash.

How do you get what you want out of a negotiation? United Nations negotiation trainer Alex Carter says the best methods center on recruitment, not rivalry. Whether you're asking for a raise or resolving a family dispute, she offers five simple tips for a successful discussion — starting with one powerful question.

In the United States and Canada, the first Monday of September is a federal holiday, Labor Day. Originally celebrated in New York City’s Union Square in 1882, Labor Day was organized by unions as a rare day of rest for the overworked during the Industrial Revolution. Kenneth C. Davis illustrates the history of Labor Day from Union Square to today. 

Many of the jobs that keep the world running — like cleaning bathrooms, picking up trash, caring for the elderly — pay so poorly that workers can barely make ends meet. Nonprofit leader Zeynep Ton is intent on changing that, showing why everyone wins when companies pay their people livable wages and offer opportunities for growth.

Drawing on her research into the science of play, evolutionary biologist Carole K. Hooven delves into how testosterone impacts the body and brain, interacting with culture to create differences in human behavior — starting with why boys tend to prefer rougher play than girls.

How do you find yourself when you belong to two seemingly opposing cultures? Embracing the paradoxes of dual identity, creative disruptor Farhad Mohit explores how being both Iranian and American allows him to navigate the tension between independence and interdependence, progress and presence — and to live fully in the here and now.

When we avoid feeling awkward, we often miss an opportunity for growth, says workplace performance expert Henna Pryor. She shares tips on embracing discomfort for the sake of self-betterment and shows how pushing past the "cringe chasm" — the gap between how we perceive ourselves and how others see us — can open up chances to get ahead at work and in life.

The basic infrastructure that controls plumbing, electricity and more is vital to your individual agency, says engineering professor Deb Chachra. She offers a crash course on how these systems connect to shape our lives — and suggests some key improvements for providing long-term, sustainable energy to everyone.

Who gets to be an entrepreneur? Saamra Mekuria-Grillo says the image we most commonly see — a guy in a hoodie — is a limiting representation of entrepreneurial success. She highlights the importance of young Black people seeing entrepreneurship as a possibility for themselves and explains the key to making the field more inclusive.

Small Indigenous communities make up only five percent of the world's population, but they defend 80 percent of the biodiversity that remains on Earth, says war reporter Anjan Sundaram. He paints a picture of Mexico's embattled ecological frontlines, where invisible heroes are fighting corporations and cartels alike to save our planet's last natural ecosystems.