Taking cues from soft robotics and the natural world, conceptual artist Anicka Yi builds lighter-than-air machines that roam and react like autonomous life forms. Her floating "aerobes" inspire us to think about new ways of living with machines -- and to ponder how they could evolve into living creatures. "What if our machines could be more than just our tools, and instead, a new type of companion species?" she asks.

Intelligent floating machines inspired by nature | Anicka Yi

Some of the world's greatest artists, designers, photographers and architects showcase their work and visions onstage at the TED conference, TEDx events and partner events around the world. You can also download these and many other videos free on TED.com, with an interactive English transcript and subtitles in up to 80 languages. TED is a nonprofit devoted to Ideas Worth Spreading.

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Keenan Scott Il's passion for words, stories and superheroes fueled his journey to becoming a celebrated playwright, producer, director and actor. Showing how language can illuminate the superhero in all of us, Scott performs three spoken word pieces that seamlessly weave together literary devices like simile, assonance and slant rhyme, sharing the talent he's cultivated despite the obstacles (read: kryptonite).

How poetry unlocked my superpowers | Keenan Scott II

"My very first film was about a town that disappeared," says documentarian John Paget. It was the beginning of a lifelong fascination with cities and towns across the US that experienced slow-motion declines -- but managed to stage a comeback after an era of demise. From the closure of the iconic Route 66 to the roller-coaster history of Buffalo, New York, Paget reveals the power of sharing your town's "civic story" to spark local revitalization.

How to keep your hometown from becoming a ghost town | John Paget

Take a graffiti tour through ancient Pompeii with Roman archaeologist Jacqueline DiBiasie-Sammons and discover what 2,000-year-old scribblings from antiquity can teach us about life in modern times. A fascinating reminder of what we leave behind for future generations.

Ancient Pompeii's hidden messages, preserved in graffiti | Jacqueline DiBiasie-Sammons

TED Fellow Jawad Sharif was born with a rebellious streak -- and he's used it in his documentary films to amplify the unheard voices of Pakistan. Sharing three stories of everyday heroes -- a high-altitude mountaineer, a folk musician of a bygone instrument and the country's first transgender doctor -- Sharif shows how documentaries can be a space for both creation and defiance.

3 stories of Pakistani resilience, told in film | Jawad Sharif

What does inclusive leadership look like? Artist and TED Fellow Constance Hockaday shares how the captain of a trans-Atlantic community raft taught her how to voice her hopes and desires, inspiring a vision of possibility for the future. Hockaday calls for mentors everywhere to step up and invites aspiring leaders to answer one crucial question in order to unlock their agency and power.

Intelligent floating machines inspired by nature | Anicka Yi

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