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👁How to make your writing suspenseful - Victoria Smith

🗣Subtitle: Farsi | English | Turkish
👣View full lesson:https://ed.ted.com/lessons/how-to-make-your-writing-suspenseful-victoria-smith
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👁The history of the barometer (and how it works) - Asaf Bar-Yosef

🗣Subtitle: Farsi | English
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👁Want to help Africa? Do business here
🗣Subtitle: Farsi | English | Turkish

👣We know the negative images of Africa -- famine and disease, conflict and corruption. But, says Ngozi Okonjo-Iweala, there's another, less-told story happening in many African nations: one of reform, economic growth and business opportunity.
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#TED2007 #business #corruption #global_issues #investment #women #women_in_business

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👁How X-rays see through your skin - Ge Wang

🗣Subtitle: Farsi | English | Turkish
👣Originally discovered by accident, X-rays are now used about 100 million times a year in clinics around the world. How do these magic eyes work? Ge Wang details the history and mechanics of the X-ray machine and CT scanners.
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👁The hidden network that makes the internet possible - Sajan Saini

🗣Subtitle: Farsi | English | Turkish
👣In 2012, a team of researchers set a world record, transmitting 1 petabit of data— that’s 10,000 hours of high-def video— over a fifty-kilometer cable, in a second. This wasn’t just any cable. It was a souped-up version of fiber optics, the hidden network that links our planet and makes the internet possible. What is fiber optics and how does it work? Sajan Saini explores the vital technology.
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👁What a scrapyard in Ghana can teach us about innovation
🗣Subtitle: Farsi | English

👣In Agbogbloshie, a community in Accra, Ghana, people descend on a scrapyard to mine electronic waste for recyclable materials. Without formal training, these urban miners often teach themselves the workings of electronics by taking them apart and putting them together again. Designer and TED Fellow DK Osseo-Asare wondered: What would happen if we connected these self-taught techies with students and young professionals in STEAM fields? The result: a growing maker community where people engage in peer-to-peer, hands-on education, motivated by what they want to create. Learn more about how this African makerspace is pioneering a grassroots circular economy.
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#TEDGlobal_2017 #technology #invention #innovation #computers #creativity #Africa #product_design #collaboration #TED_Fellows

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👁Why do we itch? - Emma Bryce

🗣Subtitle: Farsi | English | Turkish
👣The average person experiences dozens of individual itches each day. We’ve all experienced the annoyance of an inconvenient itch — but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to the itch, or is it simply there to annoy us? Emma Bryce digs deep into the skin to find out.
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👁How urban agriculture is transforming Detroit
🗣Subtitle: Farsi | English | Turkish

👣There's something amazing growing in the city of Detroit: healthy, accessible, delicious, fresh food. In a spirited talk, fearless farmer Devita Davison explains how features of Detroit's decay actually make it an ideal spot for urban agriculture. Join Davison for a walk through neighborhoods in transformation as she shares stories of opportunity and hope. \"These aren't plots of land where we're just growing tomatoes and carrots,\" Davison says. \"We're building social cohesion as well as providing healthy, fresh food.\"
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#TED2017 #agriculture #community #culture #cities #garden #public_health #farming #society #food #personal_growth #urban

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👁How do scars form? - Sarthak Sinha

🗣Subtitle: Farsi | English | Turkish
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👁A trip through space to calculate distance - Heather Tunnell

🗣Subtitle: Farsi | English
👣Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we can calculate their rates, using the distance they traveled and the time they took. Heather Tunnell explains how to use this helpful equation to determine which of our alien friends is truly faster.
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👁Confessions of a recovering micromanager
🗣Subtitle: Farsi | English

👣Think about the most tired you've ever been at work. It probably wasn't when you stayed late or came home from a road trip -- chances are it was when you had someone looking over your shoulder, watching your each and every move. \"If we know that micromanagement isn't really effective, why do we do it?\" asks entrepreneur Chieh Huang. In a funny talk packed with wisdom and humility, Huang shares the cure for micromanagement madness -- and how to foster innovation and happiness at work.
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#TED@BCG_Toronto #work #trust #success #happiness #business #motivation #leadership #personal_growth #potential

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👁How human noise affects ocean habitats
🗣Subtitle: Farsi | English | Turkish

👣Oceanographer Kate Stafford lowers us into the sonically rich depths of the Arctic Ocean, where ice groans, whales sing to communicate over vast distances -- and climate change and human noise threaten to alter the environment in ways we don't understand. Learn more about why this underwater soundscape matters and what we might do to protect it.
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#TEDxCERN #animals #Anthropocene #beauty #biodiversity #biology #biosphere #climate_change #communication #environment #oceans #nature #science #Senses #TEDx #vocals #sound #water #Antarctica

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👁What would happen if you didn’t drink water? - Mia Nacamulli

🗣Subtitle: Farsi | English
👣Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration.
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👁Why don't oil and water mix? - John Pollard

🗣Subtitle: Farsi | English
👣Salt dissolves in water; oil does not. But why? You can think of that glass of water as a big, bumpin' dance party where the water molecules are always switching dance partners -- and they'd much rather dance with a salt ion. John Pollard explains how two chemistry principles, energetics and entropy, rule the dance floor.
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👁The secret to scientific discoveries? Making mistakes
🗣Subtitle: Farsi | English

👣Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow along as Plait shows how science progresses -- through a robust amount of making and correcting errors. \"The price of doing science is admitting when you're wrong, but the payoff is the best there is: knowledge and understanding,\" he says.
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#TEDxBoulder #TEDx #science #space #astronomy #technology #nature #discovery #solar_system #Planets #universe #NASA

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👁My identity is a superpower -- not an obstacle
🗣Subtitle: Farsi | English | Turkish

👣Hollywood needs to stop resisting what the world actually looks like, says actor, director and activist America Ferrera. Tracing the contours of her career, she calls for more authentic representation of different cultures in media -- and a shift in how we tell our stories. \"Presence creates possibility,\" she says. \"Who we see thriving in the world teaches us how to see ourselves, how to think about our own value, how to dream about our futures.\"
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#TED2019 #film #art #business #diversity #inequality #movies #entertainment #social_change #storytelling #society #identity

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👁The art of the metaphor - Jane Hirshfield

🗣Subtitle: Farsi | English | Turkish
👣How do metaphors help us better understand the world? And, what makes a good metaphor? Explore these questions with writers like Langston Hughes and Carl Sandburg, who have mastered the art of bringing a scene or emotion to life.
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👁In on a secret? That's dramatic irony - Christopher Warner

🗣Subtitle: Farsi | English | Turkish
👣You're in a movie theater, watching the new horror flick. The audience knows something that the main character does not. The audience sees the character's actions are not in his best interest. What's that feeling -- the one that makes you want to shout at the screen? Christopher Warner identifies this storytelling device as dramatic irony.
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👁How Africa can use its traditional knowledge to make progress
🗣Subtitle: Farsi | English | Turkish

👣Chika Ezeanya-Esiobu wants to see Africans unleash their suppressed creative and innovative energies by acknowledging the significance of their indigenous, authentic knowledge. In this powerful talk, she shares examples of untapped, traditional African knowledge in agriculture and policy-making, calling on Africans to make progress by validating and dignifying their reality.
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#TEDGlobal_2017 #agriculture #Africa #creativity #culture #education #policy #society #social_change

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👁3 steps to turn everyday get-togethers into transformative gatherings
🗣Subtitle: Farsi | English

👣Why do some gatherings take off and others don't? Author Priya Parker shares three easy steps to turn your parties, dinners, meetings and holidays into meaningful, transformative gatherings.
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#TED2019 #community #communication #family #culture #friendship #social_change #society #humanity

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