As you surf the Web, information is being collected about you. Web tracking is not 100% evil -- personal data can make your browsing more efficient; cookies can help your favorite websites stay in business. But, says Gary Kovacs, it's your right to know what data is being collected about you and how it affects your online life. He unveils a Firefox add-on to do just that.
Reuben Margolin is a kinetic sculptor, crafting beautiful pieces that move in the pattern of raindrops falling and waves combining. Take nine minutes and be mesmerized by his meditative art -- inspired in equal parts by math and nature.
In this intimate talk filmed at TED's offices, energy innovator Amory Lovins shows how to get the US off oil and coal by 2050, $5 trillion cheaper, with no Act of Congress, led by business for profit. The key is integrating all four energy-using sectors—and four kinds of innovation.
How do you make a great public space inside a not-so-great building? Liz Diller shares the story of creating a welcoming, lighthearted (even, dare we say it, sexy) addition to the Hirshhorn Museum in Washington, DC. (From The Design Studio session at TED2012, guest-curated by Chee Pearlman and David Rockwell.)
It's never easy to get across the magnitude of complex tragedies -- so when Brenda Brathwite's daughter came home from school asking about slavery, she did what she does for a living -- she designed a game. At TEDxPhoenix she describes the surprising effectiveness of this game, and others, in helping the player really understand the story.
(Filmed at TEDxPhoenix.)
You use paper towels to dry your hands every day, but chances are, you're doing it wrong. In this enlightening and funny short talk, Joe Smith reveals the trick to perfect paper towel technique.
(Filmed at TEDxConcordiaUPortland.)
When Nancy Lublin started texting teenagers to help with her social advocacy organization, what she found was shocking -- they started texting back about their own problems, from bullying to depression to abuse. So she's setting up a text-only crisis line, and the results might be even more important than she expected.
Eduardo Paes is the mayor of Rio de Janeiro, a sprawling, complicated, beautiful city of 6.5 million. He shares four big ideas about leading Rio -- and all cities -- into the future, including bold (and do-able) infrastructure upgrades and how to make a city "smarter."
At TEDxCambridge, Michael Norton shares fascinating research on how money can, indeed buy happiness -- when you don't spend it on yourself. Listen for surprising data on the many ways pro-social spending can benefit you, your work, and (of course) other people.
(Filmed at TEDxCambridge.)
Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is just one of many in the "multiverse."
Imagine what we could learn about diseases by studying the history of human disease, from ancient hominids to the present. But how? TED Fellow Christina Warinner is an achaeological geneticist, and she's found a spectacular new tool -- the microbial DNA in fossilized dental plaque.
In the 20th century we added an unprecedented number of years to our lifespans, but is the quality of life as good? Surprisingly, yes! At TEDxWomen psychologist Laura Carstensen shows research that demonstrates that as people get older they become happier, more content, and have a more positive outlook on the world.
(Filmed at TEDxWomen.)
Taryn Simon captures the essence of vast, generation-spanning stories by photographing the descendants of people at the center of the narrative. In this riveting talk she shows a stream of these stories from all over the world, investigating the nature of genealogy and the way our lives are shaped by the interplay of many different forces.
Drew Curtis, the founder of fark.com, tells the story of how he fought a lawsuit from a company that had a patent, "...for the creation and distribution of news releases via email." Along the way he shares some nutty statistics about the growing legal problem of frivolous patents.
Our medical systems are broken. Doctors are capable of extraordinary (and expensive) treatments, but they are losing their core focus: actually treating people. Doctor and writer Atul Gawande suggests we take a step back and look at new ways to do medicine -- with fewer cowboys and more pit crews.
TED Fellow Abigail Washburn wanted to be a lawyer improving US-China relations -- until she picked up a banjo. She tells a moving story of the remarkable connections she's formed touring across the United States and China while playing that banjo and singing in Chinese.
Tal Golesworthy is a boiler engineer -- he knows piping and plumbing. When he needed surgery to repair a life-threatening problem with his aorta, he mixed his engineering skills with his doctors' medical knowledge to design a better repair job.
(Filmed at TEDxKrakow.)
Contraception. The topic has become controversial in recent years. But should it be? Melinda Gates believes that many of the world's social change issues depend on ensuring that women are able to control their rate of having kids. In this significant talk, she makes the case for the world to re-examine an issue she intends to lend her voice to for the next decade.
(Filmed at TEDxChange.)
Empathy, cooperation, fairness and reciprocity -- caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on primates and other mammals, that show how many of these moral traits all of us share.
(Filmed at TEDxPeachtree.)
"Secrets can take many forms -- they can be shocking, or silly, or soulful." Frank Warren, the founder of PostSecret.com, shares some of the half-million secrets that strangers have mailed him on postcards.
A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. At TEDxTC Jonathan Foley shows why we desperately need to begin "terraculture" -- farming for the whole planet.
(Filmed at TEDxTC.)
TED Fellow Lucy McRae is a body architect -- she imagines ways to merge biology and technology in our own bodies. In this visually stunning talk, she shows her work, from clothes that recreate the body's insides for a music video with pop-star Robyn, to a pill that, when swallowed, lets you sweat perfume.
Onstage at TED2012, Jack Choi demonstrates a powerful tool for training medical students: a stretcher-sized multi-touch screen of the human body that lets you explore, dissect and understand the body's parts and systems.
Chip Kidd doesn’t judge books by their cover, he creates covers that embody the book -- and he does it with a wicked sense of humor. In one of the funniest talks from TED2012, he shows the art and deep thought of his cover designs. (From The Design Studio session at TED2012, guest-curated by Chee Pearlman and David Rockwell.)
As we expect more from technology, do we expect less from each other? Sherry Turkle studies how our devices and online personas are redefining human connection and communication -- and asks us to think deeply about the new kinds of connection we want to have.