The BEST episodes of TED Talks season 2018

Every episode of TED Talks season 2018, ranked from best to worst by thousands of votes from fans of the show. The best episodes of TED Talks season 2018!

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. TEDTalks began as a simple attempt to share what happens at TED with the world. Under the moniker "ideas worth spreading," talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic that the entire TED website has been reengineered around TEDTalks, with the goal of giving everyone on-demand access to the world's most inspiring voices. [TED-Ed and TEDx are separate TVDB series and should NOT be listed here. Episode ordering and dates are sourced from YouTube.]

Last Updated: 10/30/2025Network: YouTubeStatus: Continuing
Caroline Weaver: Why the pencil is perfect
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#1 - Caroline Weaver: Why the pencil is perfect

Season 2018 - Episode 78 - Aired 3/15/2018

Why are pencils shaped like hexagons, and how did they get their iconic yellow color? Pencil shop owner Caroline Weaver takes us inside the fascinating history of the pencil.

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Amit Kalra: 3 creative ways to fix fashion's waste problem
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1 votes

#2 - Amit Kalra: 3 creative ways to fix fashion's waste problem

Season 2018 - Episode 49 - Aired 2/15/2018

What happens to the clothes we don't buy? You might think that last season's coats, trousers and turtlenecks end up being put to use, but most of it (nearly 13 million tons each year in the United States alone) ends up in landfills. Fashion has a waste problem, and Amit Kalra wants to fix it. He shares some creative ways the industry can evolve to be more conscientious about the environment — and gain a competitive advantage at the same time.

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Cleo Wade: Want to change the world? Start by being brave enough to care
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9.00
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#3 - Cleo Wade: Want to change the world? Start by being brave enough to care

Season 2018 - Episode 20 - Aired 1/19/2018

Artist and poet Cleo Wade recites a moving poem about being an advocate for love and acceptance in a time when both seem in short supply. Woven between stories of people at the beginning and end of their lives, she shares some truths about growing up (and speaking up) and reflects on the wisdom of a life well-lived, leaving us with a simple yet enduring takeaway: be good to yourself, be good to others, be good to the earth. "The world will say to you, 'Be a better person,'" Wade says. "Do not be afraid to say, 'Yes.'"

George Steinmetz: Photos of Africa, taken from a flying lawn chair
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#4 - George Steinmetz: Photos of Africa, taken from a flying lawn chair

Season 2018 - Episode 25 - Aired 1/24/2018

George Steinmetz's spectacular photos show Africa from the air, taken from the world's slowest, lightest aircraft. Join Steinmetz to discover the surprising historical, ecological and sociopolitical patterns that emerge when you go low and slow in a flying lawn chair.

Fredros Okumu: Why I study the most dangerous animal on earth -- mosquitoes
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#5 - Fredros Okumu: Why I study the most dangerous animal on earth -- mosquitoes

Season 2018 - Episode 29 - Aired 1/29/2018

What do we really know about mosquitoes? Fredros Okumu catches and studies these disease-carrying insects for a living -- with the hope of crashing their populations. Join Okumu for a tour of the frontlines of mosquito research, as he details some of the unconventional methods his team at the Ifakara Health Institute in Tanzania have developed to target what has been described as the most dangerous animal on earth.

Guy Winch: How to fix a broken heart
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#6 - Guy Winch: How to fix a broken heart

Season 2018 - Episode 37 - Aired 2/5/2018

At some point in our lives, almost every one of us will have our heart broken. Imagine how different things would be if we paid more attention to this unique emotional pain. Psychologist Guy Winch reveals how recovering from heartbreak starts with a determination to fight our instincts to idealize and search for answers that aren't there -- and offers a toolkit on how to, eventually, move on. Our hearts might sometimes be broken, but we don't have to break with them.

Anna Rosling Rönnlund: See how the rest of the world lives, organized by income
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#7 - Anna Rosling Rönnlund: See how the rest of the world lives, organized by income

Season 2018 - Episode 19 - Aired 1/18/2018

What does it look like when someone in Sweden brushes their teeth or when someone in Rwanda makes their bed? Anna Rosling Rönnlund wants all of us to find out, so she sent photographers to 264 homes in 50 countries (and counting!) to document the stoves, bed, toilets, toys and more in households from every income bracket around the world. See how families live in Latvia or Burkina Faso or Peru as Rosling Rönnlund explains the power of data visualization to help us better understand the world.

Naoko Ishii: An economic case for protecting the planet
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#8 - Naoko Ishii: An economic case for protecting the planet

Season 2018 - Episode 22 - Aired 1/22/2018

We all share one planet -- we breathe the same air, drink the same water and depend on the same oceans, forests and biodiversity. Economist Naoko Ishii is on a mission to protect these shared resources, known as the global commons, that are vital for our survival. In an eye-opening talk about the wellness of the planet, Ishii outlines four economic systems we need to change to safeguard the global commons, making the case for a new kind of social contract with the earth.

Karen Lloyd: This deep-sea mystery is changing our understanding of life
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#9 - Karen Lloyd: This deep-sea mystery is changing our understanding of life

Season 2018 - Episode 38 - Aired 2/6/2018

How deep into the Earth can we go and still find life? Marine microbiologist Karen Lloyd introduces us to deep-subsurface microbes: tiny organisms that live buried meters deep in ocean mud and have been on Earth since way before animals. Learn more about these mysterious microbes, which refuse to grow in the lab and seem to have a fundamentally different relationship with time and energy than we do.

Su Kahumbu: How we can help hungry kids, one text at a time
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#10 - Su Kahumbu: How we can help hungry kids, one text at a time

Season 2018 - Episode 38 - Aired 2/6/2018

Su Kahumbu raises badass cows — healthy, well-fed animals whose protein is key to solving a growing crisis in Africa: childhood nutritional stunting. With iCow, a simple SMS service she developed to support small-scale livestock farmers, the TED Fellow is helping farmers across the continent by texting them tips on caring for and raising animals. Learn more about how this cheap innovation is helping feed hungry kids, one text at a time.

John Doerr: Why the secret to success is setting the right goals
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#11 - John Doerr: Why the secret to success is setting the right goals

Season 2018 - Episode 175 - Aired 6/11/2018

Our leaders and institutions are failing us, but it's not always because they're bad or unethical, says venture capitalist John Doerr — often, it's simply because they're leading us toward the wrong objectives. In this practical talk, Doerr shows us how we can get back on track with "Objectives and Key Results," or OKRs — a goal-setting system that's been employed by the likes of Google, Intel and Bono to set and execute on audacious goals. Learn more about how setting the right goals can mean the difference between success and failure — and how we can use OKRs to hold our leaders and ourselves accountable.

Vishaan Chakrabarti: How we can design timeless cities for our collective future
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#12 - Vishaan Chakrabarti: How we can design timeless cities for our collective future

Season 2018 - Episode 194 - Aired 6/25/2018

There's a creeping sameness in many of our newest urban buildings and streetscapes, says architect Vishaan Chakrabarti. And this physical homogeneity — the result of regulations, mass production, safety issues and cost considerations, among other factors — has blanketed our planet in a social and psychological homogeneity, too. In this visionary talk, Chakrabarti calls for a return to designing magnetic, lyrical cities that embody their local cultures and adapt to the needs of our changing world and climate.

Kai-Fu Lee: How AI can save our humanity
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#13 - Kai-Fu Lee: How AI can save our humanity

Season 2018 - Episode 230 - Aired 8/13/2018

AI is massively transforming our world, but there's one thing it cannot do: love. In a visionary talk, computer scientist Kai-Fu Lee details how the US and China are driving a deep learning revolution — and shares a blueprint for how humans can thrive in the age of AI by harnessing compassion and creativity. "AI is serendipity," Lee says. "It is here to liberate us from routine jobs, and it is here to remind us what it is that makes us human."

Danielle Wood: 6 space technologies we can use to improve life on Earth
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#14 - Danielle Wood: 6 space technologies we can use to improve life on Earth

Season 2018 - Episode 34 - Aired 2/1/2018

Danielle Wood leads the Space Enabled research group at the MIT Media Lab, where she works to tear down the barriers that limit the benefits of space exploration to only the few, the rich or the elite. She identifies six technologies developed for space exploration that can contribute to sustainable development across the world -- from observation satellites that provide information to aid organizations to medical research on microgravity that can be used to improve health care on Earth. "Space truly is useful for sustainable development for the benefit of all peoples," Wood says.

Marco Alverà: The surprising ingredient that makes businesses work better
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#15 - Marco Alverà: The surprising ingredient that makes businesses work better

Season 2018 - Episode 45 - Aired 2/13/2018

What is it about unfairness? Whether it's not being invited to a friend's wedding or getting penalized for bad luck or an honest mistake, unfairness often makes us so upset that we can't think straight. And it's not just a personal issue — it's also bad for business, says Marco Alverà. He explains how his company works to create a culture of fairness — and how tapping into our innate sense of what's right and wrong makes for happier employees and better results.

Mike Gil: Could fish social networks help us save coral reefs?
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#16 - Mike Gil: Could fish social networks help us save coral reefs?

Season 2018 - Episode 31 - Aired 1/30/2018

Mike Gil spies on fish: using novel multi-camera systems and computer vision technology, the TED Fellow and his colleagues explore how coral reef fish behave, socialize and affect their ecosystems. Learn more about how fish of different species communicate via social networks -- and what disrupting these networks might mean to the delicate ecology of reefs, which help feed millions of us and support the global economy.

Amar Inamdar: The thrilling potential for off-grid solar energy
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#17 - Amar Inamdar: The thrilling potential for off-grid solar energy

Season 2018 - Episode 28 - Aired 1/26/2018

There's an energy revolution happening in villages and towns across Africa -- off-grid solar energy is becoming a viable alternative to traditional electricity systems. In a bold talk about a true leapfrog moment, Amar Inamdar introduces us to proud owners of off-grid solar kits -- and explains how this technology has the opportunity to meet two extraordinary goals: energy access for all and a low-carbon future. "Every household a proud producer as well as consumer of energy," Inamdar says. "That's the democracy of energy." (Followed by a brief Q&A with TED Curator Chris Anderson)

Alexis Charpentier: How record collectors find lost music and preserve our cultural heritage
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#18 - Alexis Charpentier: How record collectors find lost music and preserve our cultural heritage

Season 2018 - Episode 11 - Aired 1/11/2018

For generations, record collectors have played a vital role in the preservation of musical and cultural heritage by "digging" for obscure music created by overlooked artists. Alexis Charpentier shares his love of records -- and stories of how collectors have given forgotten music a second chance at being heard. Learn more about the culture of record digging (and, maybe, pick up a new hobby) with this fun, refreshing talk.

Bhu Srinivasan: Capitalism isn't an ideology -- it's an operating system
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#19 - Bhu Srinivasan: Capitalism isn't an ideology -- it's an operating system

Season 2018 - Episode 44 - Aired 2/12/2018

Bhu Srinivasan researches the intersection of capitalism and technological progress. Instead of thinking about capitalism as a firm, unchanging ideology, he suggests that we should think of it as an operating system — one that needs upgrades to keep up with innovation, like the impending take-off of drone delivery services. Learn more about the past and future of the free market (and a potential coming identity crisis for the United States' version of capitalism) with this quick, forward-thinking talk.

Lana Mazahreh: 3 thoughtful ways to conserve water
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#20 - Lana Mazahreh: 3 thoughtful ways to conserve water

Season 2018 - Episode 3 - Aired 1/3/2018

According to the UN, nearly one in three people worldwide live in a country facing a water crisis, and less than five percent of the world lives in a country that has more water today than it did 20 years ago. Lana Mazahreh grew up in Jordan, a state that has experienced absolute water scarcity since 1973, where she learned how to conserve water as soon as she was old enough to learn how to write her name. In this practical talk, she shares three lessons from water-poor countries on how to save water and address what's fast becoming a global crisis.

Jacob Collier: A one-man musical phenomenon
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#21 - Jacob Collier: A one-man musical phenomenon

Season 2018 - Episode 13 - Aired 1/12/2018

Jacob Collier is a one-man band and force of nature. In a dynamic, colorful performance, he recreates the magical room at his home in London where he produces music, performing three songs in which he sings every part and plays every instrument -- accompanied by kaleidoscopic visuals that take cues from the music and grow in real time.

Steve McCarroll: How data is helping us unravel the mysteries of the brain
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#22 - Steve McCarroll: How data is helping us unravel the mysteries of the brain

Season 2018 - Episode 249 - Aired 9/4/2018

Geneticist Steve McCarroll wants to make an atlas of all the cells in the human body so that we can understand in precise detail how specific genes work, especially in the brain. In this fascinating talk, he shares his team's progress — including their invention of "Drop-seq," a technology that allows scientists to analyze individual cells at a scale that was never before possible — and describes how this research could lead to new ways of treating mental illnesses like schizophrenia.

Tammy Lally: Let's get honest about our money problems
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#23 - Tammy Lally: Let's get honest about our money problems

Season 2018 - Episode 248 - Aired 8/31/2018

Struggling to budget and manage finances is common — but talking honestly and openly about it isn't. Why do we hide our problems around money? In this thoughtful, personal talk, author Tammy Lally encourages us to break free of "money shame" and shows us how to stop equating our bank accounts with our self-worth.

Sunni Patterson: "Wild Women"
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#24 - Sunni Patterson: "Wild Women"

Season 2018 - Episode 247 - Aired 8/31/2018

With lightning on her tongue, Sunni Patterson performs her powerful poem, "Wild Women," accompanied by the entrancing moves of dancer Chanice Holmes.

Alexandra Sacks: A new way to think about the transition to motherhood
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#25 - Alexandra Sacks: A new way to think about the transition to motherhood

Season 2018 - Episode 246 - Aired 8/30/2018

When a baby is born, so is a mother — but the natural (and sometimes unsteady) process of transition to motherhood is often silenced by shame or misdiagnosed as postpartum depression. In this quick, informative talk, reproductive psychiatrist Alexandra Sacks breaks down the emotional tug-of-war of becoming a new mother — and shares a term that could help describe it: matrescence.