Have you ever felt your throat closing up during a presentation, or your voice getting shaky during a stressful exchange with your boss? Speech pathologist Jackie Gartner-Schmidt shares the anatomical processes that cause our voices to betray our anxiety -- and some easy, practical ways to alleviate those telltale vocal tremors.

Paralyzed by a stroke, Henry Evans uses a telepresence robot to take the stage and show how new robotics, tweaked and personalized by a group called Robots for Humanity, help him live his life to the full. He shows off a nimble little quadrotor drone, created by a team led by Chad Jenkins, that gives him the ability to once again stroll a garden...

What should a community do with its unused land? Plant food, of course. With energy and humor, Pam Warhurst tells at the TEDSalon the story of how she and a growing team of volunteers came together to turn plots of unused land into communal vegetable gardens, and to change the narrative of food in their community.

You’ve heard of ‘do it yourself,’ but what about ‘grow it yourself?’ Enjoy these quirky talks full of possibilities.

Sam Kass's work connects nutrition and education in an effort to make sure future generations thrive.

Appreciate your space in new ways with these fun, insightful talks that will help guide you in redesigning the place you call home.

Grégoire Courtine and his interdisciplinary lab imagine new ways to recover after devastating, mobility-impairing injury to the spinal cord.

Ron Finley grows a nourishing food culture in South Central L.A.’s food desert by planting the seeds and tools for healthy eating.

Urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine. The places we live aren't inevitable, he says -- and if we want something different, we need to speak up.

American artist Janet Echelman reshapes urban airspace with monumental, fluidly moving sculpture that responds to environmental forces including wind, water, and sunlight.

Paolo Cardini is a product designer who asks serious questions about how we live -- and answers them with whimsical and playful designs.

Ron Finley plants vegetable gardens in South Central LA -- in abandoned lots, traffic medians, along the curbs. Why? For fun, for defiance, for beauty and to offer some alternative to fast food in a community where "the drive-thrus are killing more people than the drive-bys."

These exciting innovations and breakthroughs demonstrate what's possible when humans draw inspiration from some of nature’s best work.

Far better than counting sheep, these talks on the importance of sleep may well help you get your zzzzs tonight.

Researcher Kamal Meattle shows how an arrangement of three common houseplants, used in specific spots in a home or office building, can result in measurably cleaner indoor air.

Roger Doiron wants everyone to plant a garden. He’s the founder of Kitchen Gardeners International, a network of home gardeners.

Traditional homes and living no more! Experience the different ways people exist in harmony with one another and their surroundings.

David Byrne sings the Talking Heads' 1988 hit, "(Nothing But) Flowers." He's accompanied by Thomas Dolby and string quartet Ethel, who made up the TED2010 house band.

David Baron writes about science in books, magazines, newspapers and for public radio. He formerly served as science correspondent for NPR and science editor for PRI’s The World.

Britain's former prime minister Gordon Brown played a key role in shaping the G20 nations' response to the world's financial crisis, and was a powerful advocate for a coordinated global response to problems such as climate change, poverty and social justice.

Patrice Gordon's passion for people and helping them realize their full potential led her to a career in coaching.

For all those days you've ever checked the clock and thought, "Where did the last hour go?" These talks share helpful hacks for stealing back a few seconds, minutes or even hours from your busy workday.

By studying how ant colonies work without any one leader, Deborah Gordon has identified striking similarities in how ant colonies, brains, cells and computer networks regulate themselves.

One of Australia's foremost tech leaders, Jamila Gordon is CEO and founder of Lumachain.

TED Resident Dan Gartenberg has spent his adult life trying to make seven and a half hours feel like eight hours.

An average teaspoon of ocean water contains five million bacteria and fifty million viruses -- and yet we are just starting to discover how these "invisible engineers" control our ocean's chemistry. At TEDxMonterey, Melissa Garren sheds light on marine microbes that provide half the oxygen we breathe, maintain underwater ecosystems, and demonstr...

Revolutionary achievements, important discoveries and astounding leaps of progress that have fundamentally transformed the scientific world.

Some TED speakers are obsessed with one particular animal -- and their joy and passion might just get you obsessed too. You'll meet apes that write! Shrimp that kick! Octopi that disappear!

The Way We Work is an original video series where leaders and thinkers offer practical wisdom and insight into how we can adapt and thrive amid changing workplace conventions. (Made possible with the support of Dropbox)

The world is moving fast. These talks will inspire you to take time to process it all. Bonus reading: Pico Iyer’s The Art of Stillness, a beautiful meditation on this subject.