When technologist Luis von Ahn was building the popular language-learning platform Duolingo, he faced a big problem: Could an app designed to teach you something ever compete with addictive platforms like Instagram and TikTok? He explains how Duolingo harnesses the psychological techniques of social media and mobile games to get you excited to learn — all while spreading access to education across the world.

How to make learning as addictive as social media | Luis von Ahn

From the construction of virtual realities to the internet of things—technology is changing our world every day. But how can we make sure that the quickly-evolving role that tech plays in our lives is one that builds, empowers, and connects us? Host Sherrell Dorsey guides you through the latest ideas from TED Speakers, uncovering the riveting questions that sit at the intersection of technology, society, science, design, business, and innovation. Listen in every Friday.

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We don't have to sacrifice our freedom for the sake of technological progress, says social technologist Divya Siddarth. She shares how a group of people helped retrain one of the world's most powerful AI models on a constitution they wrote — and offers a vision of technology that aligns with the principles of democracy, rather than conflicting with them.

How AI and democracy can fix each other | Divya Siddarth

Is cybercrime getting easier? Cybersecurity expert Ryan Pullen dives into his work investigating massive digital breaches and testing security blindspots — which led to him gaining access to the software controls of a well-known building in London. Learn more about how cybercriminals exploit human vulnerabilities and hear the latest on how to recognize and protect yourself from scams.

How clicking a single link can cost millions | Ryan Pullen

Is AI about to change everything? Whether you’re optimistic, pessimistic, or somewhere in between about the power of artificial intelligence, join host Bilawal Sidhu and the world's leading experts, artists, journalists, and beyond, as they guide you through this fast-moving world on TED’s latest podcast, The TED AI Show. Find The TED AI Show wherever you get your podcasts.

The TED AI Show: Coming May 21st

A game-changing solution to the global food crisis could come from something so tiny you can't see it with the naked eye. Nanomaterials chemist Christy Haynes describes her team's work designing nanoparticles that could protect plants from disease and crop loss, helping farmers reap abundant harvests and grow food that will make its way to markets and dinner tables. After the talk, Sherrell shares thoughts on the possibilities of precision agriculture.

Can nanoparticles help fight hunger? | Christy L. Haynes

What if you could own more clothes without crowding your closet or growing your carbon footprint? Introducing the dematerialized future of your wardrobe, digital fashion entrepreneur Karinna Grant talks about the brands selling pixelated clothes via NFTs and augmented reality — and explores the creative and sustainable potential of fashion that transcends physical constraints.

How to make learning as addictive as social media | Luis von Ahn

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