Marine biologist Tierney Thys teamed with Christian Sardet (CNRS/Tara Oceans), No錩 Sardet and Sharif Mirshak to use footage from the Plankton Chronicles project to ignite wonder and curiosity about the hidden world of Plankton that underpins our own food chain. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 6-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing differences between species when it comes to determination of gender. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 6-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing differences between species when it comes to determination of gender.

Sheena Iyengar studies how we make choices -- and how we feel about the choices we make. At TEDGlobal, she talks about both trivial choices (Coke v. Pepsi) and profound ones, and shares her groundbreaking research that has uncovered some surprising attitudes about our decisions. Sheena Iyengar studies how people choose (and what makes us think we're good at it). A quiz, thought provoking question, and links for further study are provided to create a lesson around the 24-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

TED Video: Leaps and bounds separate that which is ironic and that which many people simply say is ironic. Christopher Warner wants to set the record straight: Something is ironic if and only if it is the exact opposite of what you would expect.

TED Studies, created in collaboration with Wiley, are curated video collections 逖 supplemented by rich educational materials 逖 for students, educators and self-guided learners. In Visualizing Data, TED speakers shake up statistics with elegant, dynamic representations that make mountains of data comprehensible 逖 and even exciting. Learn how to visualize data and present complicated statistics in elegant and captivating ways. Relevant areas of interest, study and coursework include: information design, demography, statistical literacy, economics, sociology, media studies, linguistics, meteorology and computer science.

Storyteller and educator Awele Makeba combines performing arts and history to tell a powerful story from the American civil rights movement. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 9-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

TED Studies, created in collaboration with Wiley, are curated video collections 逖 supplemented by rich educational materials 逖 for students, educators and self-guided learners. In Reworking the Western Diet, speakers examine how that diet 逖 processed, high in refined sugars, and heavy in corn, soy, meat and dairy 逖 is making us and the environment sick. These TED Talks blaze the trail to sustainable farming and a more sensible diet.迨

Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats about its rapid decline -- as she makes her TED Prize wish: that we will join her in protecting the vital blue heart of the planet. Sylvia Earle has been at the frontier of deep ocean exploration for four decades. She's led more than 50 undersea expeditions, and she's been an equally tireless advocate for our oceans and the creatures who live in them. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 18-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

Different species often depend on one another. David Gonzales describes the remarkable relationship of the Clark's nutcracker and the whitebark pine, to illustrate the interdependency known as symbiosis. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 2-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

The world turns on symmetry -- from the spin of subatomic particles to the dizzying beauty of an arabesque. But there's more to it than meets the eye. Here, Oxford mathematician Marcus du Sautoy offers a glimpse of the invisible numbers that marry all symmetrical objects. Oxford's newest science ambassador Marcus du Sautoy is also author of The Times' Sexy Maths column. He'll take you footballing with prime numbers, whopping symmetry groups, higher dimensions and other brow-furrowers. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 18-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

Author Isabel Allende's new TED talk is about living passionately at any age.

At the 2008 Serious Play conference, designer Tim Brown talks about the powerful relationship between creative thinking and play -- with many examples you can try at home (and one that maybe you shouldn't). Tim Brown is the CEO of the "innovation and design" firm IDEO--taking an approach to design that digs deeper than the surface

Ayako Suwa is intent on spreading a new concept of food that evades labels such as gourmet and nutritional. She believes that to eat is to live, but we must taste to truly evolve, and those tastes include happiness, regret, anger and more.

Photographer James Balog shares new image sequences from the Extreme Ice Survey, a network of time-lapse cameras recording glaciers receding at an alarming rate, some of the most vivid evidence yet of climate change. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 22-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.

TED Studies, created in collaboration with Wiley, are curated video collections 逖 supplemented by rich educational materials 逖 for students, educators and self-guided learners. In Ecofying Cities, speakers reveal ideas about sustainable development (and redevelopment) that aren't all about setting limits, going without or preparing for the worst. Rather, they find solutions in resourceful, hopeful, beautiful communities.

At face value, the lines between verbal irony, sarcasm, and compliments can be blurry. After all, the phrase 'That looks nice' could be all three depending on the circumstances. In the final of a three part series on irony, Christopher Warner gets into the irony you may use most often and most casually: verbal irony.

What can we expect our kids to learn if they're hungry or eating diets full of sugar and empty of nutrients? Former White House Chef and food policymaker Sam Kass discusses the role schools can play in nourishing students' bodies in addition to their minds.

In the developing world, access to incubators is limited by cost and distance, and millions of premature babies die each year. TED Fellow Jane Chen shows an invention that could keep millions of these infants warm -- a design that's safe, portable, low-cost and life-saving. A quiz, thought provoking question, and links for further study are provided to create a lesson around the 5-minute video. Educators may use the platform to easily "Flip" or create their own lesson for use with their students of any age or level.