What does a warming planet mean for the foods you love? Hosting a dinner party that features a menu of foods that could disappear within our lifetimes, culinary entrepreneur Sam Kass invites us to chew on the reality of climate change by exploring the things — like chocolate and coffee — it puts at risk.

Will progress in artificial intelligence continue to accelerate, or have we already hit a plateau? Computer scientist Jennifer Golbeck interrogates some of the most high-profile claims about the promises and pitfalls of AI, cutting through the hype to clarify what's worth getting excited about — and what isn't.

We tend to consider romantic partners and family ties to be our most important relationships, but deep friendships can be just as meaningful. In a perspective-shifting talk, author Rhaina Cohen introduces us to the people unsettling norms by choosing a friend as a life partner — and shows why we're all better off recognizing there's more than one kind of significant other.

Billions of dollars are poured into global development every year, but results are lacking, says economist Karthik Muralidharan. Diving into an example with public education, he outlines how smarter resource allocation and evidence-based interventions, like learning software that dynamically responds to students and teaches at the level that's right for them, can accelerate global development worldwide — not by spending more, but by spending smarter.

In this in-depth discussion on the implications of Donald Trump’s re-election as US president, geopolitical expert Ian Bremmer explores the key issues that shaped the result — as well as the coming shifts in US foreign policy, from the Russia-Ukraine conflict to the US-China relationship and the Middle East. Learn more about the economic pressures, complex global dynamics and central personalities (including Elon Musk) that will define a second Trump presidency. (This live conversation, recorded on November 7, 2024, was hosted by TED’s Helen Walters.)

A six-time world yo-yo champion, Shu Takada is spinning his dreams into reality. Watch how he turns a humble pastime into a mesmerizing art form, blending yo-yo wizardry with dance and acrobatics.

"Intuition helps us see the big picture," says filmmaker and sustainability leader Hrund Gunnsteinsdóttir. Reflecting on her work at the UN, she outlines three ways innsæi (the Icelandic word for "intuition") can help humanity face our greatest existential threats — urging us to use our inner wisdom as a guide for essential change..

Do you hate having your photo taken? Portrait photographer Teri Hofford is here to change your mind. She unpacks why you may think you look bad in photos — and how to boost your confidence for those moments captured on camera.

How can everyday people help foster and protect democracy? Detailing her work fighting for people power as an activist in Madagascar, Ketakandriana Rafitoson discusses how citizen assemblies — meetings where ordinary citizens get educated about democracy — empower communities to protect their rights, debate important civic questions and take action to create a brighter future.

Fashion is a huge part of the world's waste problem, but it doesn't have to be. Coachtopia founder Joon Silverstein shows how her company creates new designs from the waste products of another, a circular process that cuts the need for new raw materials — and rethinks what qualifies as "luxury." (Made in partnership with Coachtopia)