As actress Nicole Maines points out, we all unwittingly play supporting roles in each others' life stories -- for better or worse. With charm and aplomb, she shares her experience growing up as a trans youth, emphasizing the big and small ways community acceptance can affect the course of a deeply personal journey.

Global obesity rates are on the rise, but body shaming campaigns are doing more harm than good, says medical anthropologist Nancy N. Chen. Reflecting on how the cultural histories of body ideals have changed over time, she offers a new way to view ourselves and our health by enhancing body diversity to close the gap between what's ideal and what's real.

Could an everyday clothing item help protect your health? In this quick talk, TED Fellow Alicia Chong Rodriguez introduces us to a smart bra designed to gather real-time data on biomarkers like heartbeat, breath and temperature. Learn how this life-saving gadget could help close the gender gap in cardiovascular research -- and, finally, usher women's health care into the 21st century.

In this fascinating conversation, cosmologist and TED Fellow Katie Mack delves into everything from the Big Bang theory to what we see at the edge of the observable universe to a few ways the cosmos might end. Stay tuned to hear Mack recite an original poem on the wonder and marvel of existence. (This conversation, hosted by deputy director of the TED Fellows program, Lily James Olds, was part of a TED Membership event. Visit ted.com/membership to become a TED Member.)

Government deficits have gotten a bad rap, says economist Stephanie Kelton. In this groundbreaking talk, she makes the case to stop looking at government spending as a path towards frightening piles of debt, but rather as a financial contribution to the things that matter -- like health care, education, infrastructure and beyond. "We have the resources we need to begin repairing our broken systems," Kelton says. "But we have to believe it's possible."

Sci-fi writer Chen Qiufan doesn't fear a dystopian future. Instead, he believes developments in artificial intelligence will make all of our lives better, healthier and safer. He takes us on a tour of the next 20 years of AI and shares some astonishing predictions for the advancements in science and technology that could await us. "For every future we wish to create, we must first learn to imagine it," he says.

Have you found yourself staying up late, joylessly bingeing TV shows and doomscrolling through the news, or simply navigating your day uninspired and aimless? Chances are you're languishing, says organizational psychologist Adam Grant -- a psychic malaise that has become all too common after many months of the pandemic. He breaks down the key indicators of languishing and presents three ways to escape that "meh" feeling and start finding your flow.

Land restoration is about more than planting trees, says environmentalist Susan Graham. Check out how her team combines drone technology with ecology-trained AI to restore degraded land and revive complex, biodiverse ecosystems -- whether it's on a small island or across an entire continent.

Dating back more than 800 years, chocolate is deeply woven into the Indigenous history of Oaxaca, Mexico. TED Fellow Germán Santillán talks about his work reviving the Mixtec technique used to prepare this ancient delicacy by training a new generation of local farmers -- helping create economic opportunity and preserve a delicious legacy at the same time.

Music can act as a guide, says cellist Steven Sharp Nelson. It has the power to unlock the mind, tap into the heart and bring light in the darkest times. Take a deep breath as Nelson takes you on a melodic, meditative journey that could reconnect you with your closest loved ones -- no matter how near or far they may be.