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  • Talks 162
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271 - 300 of 343 results

J. Marshall Shepherd: 3 kinds of bias that shape your worldview

What shapes our perceptions (and misperceptions) about science? In an eye-opening talk, meteorologist J. Marshall Shepherd explains how confirmation bias, the Dunning-Kruger effect and cognitive dissonance impact what we think we know -- and shares ideas for how we can replace them with something much more powerful: knowledge.
https://www.ted.com/talks/j_marshall_shepherd_3_kinds_of_bias_that_shape_your_worldview

Gregory Heyworth: How I'm discovering the secrets of ancient texts

Gregory Heyworth is a textual scientist; he and his lab work on new ways to read ancient manuscripts and maps using spectral imaging technology. In this fascinating talk, watch as Heyworth shines a light on lost history, deciphering texts that haven't been read in thousands of years. How could these lost classics rewrite what we know about the p...
https://www.ted.com/talks/gregory_heyworth_how_i_m_discovering_the_secrets_of_ancient_texts

Robin Murphy: These robots come to the rescue after a disaster

When disaster strikes, who's first on the scene? More and more, it’s a robot. In her lab, Robin Murphy builds robots that fly, tunnel, swim and crawl through disaster scenes, helping firefighters and rescue workers save more lives safely -- and help communities return to normal up to three years faster.
https://www.ted.com/talks/robin_murphy_these_robots_come_to_the_rescue_after_a_disaster

Eric Mead: The magic of the placebo

Sugar pills, injections of nothing -- studies show that, more often than you'd expect, placebos really work. At TEDMED, magician Eric Mead does a trick to prove that, even when you know something's not real, you can still react as powerfully as if it is. (Warning: This talk is not suitable for viewers who are disturbed by needles or blood.)
https://www.ted.com/talks/eric_mead_the_magic_of_the_placebo

Ben Saunders: Why bother leaving the house?

Explorer Ben Saunders wants you to go outside! Not because it’s always pleasant and happy, but because that’s where the meat of life is, “the juice that we can suck out of our hours and days.” Saunders’ next outdoor excursion? To try to be the first in the world to walk from the coast of Antarctica to the South Pole and back again.
https://www.ted.com/talks/ben_saunders_why_bother_leaving_the_house

Gavin Schmidt: The emergent patterns of climate change

You can't understand climate change in pieces, says climate scientist Gavin Schmidt. It's the whole, or it's nothing. In this illuminating talk, he explains how he studies the big picture of climate change with mesmerizing models that illustrate the endlessly complex interactions of small-scale environmental events.
https://www.ted.com/talks/gavin_schmidt_the_emergent_patterns_of_climate_change

Bjørn Otto Sverdrup: How to realistically decarbonize the oil and gas industry

Bjørn Otto Sverdrup leads the Oil and Gas Climate Initiative (OGCI), which gathers the CEOs of twelve of the world's largest oil and gas companies around an ambitious goal: to get one of the sectors contributing most to climate change to drastically lower their own carbon emissions. He describes a possible path for the industry to pivot to net-z...
https://www.ted.com/talks/bjorn_otto_sverdrup_how_to_realistically_decarbonize_the_oil_and_gas_industry

Mina Bissell: Experiments that point to a new understanding of cancer

For decades, researcher Mina Bissell pursued a revolutionary idea -- that a cancer cell doesn't automatically become a tumor, but rather, depends on surrounding cells (its microenvironment) for cues on how to develop. She shares the two key experiments that proved the prevailing wisdom about cancer growth was wrong.
https://www.ted.com/talks/mina_bissell_experiments_that_point_to_a_new_understanding_of_cancer

Dyan deNapoli: The great penguin rescue

The world's largest volunteer animal rescue, saved more than 40,000 penguins after an oil spill off the coast of South Africa. Dyan deNapoli tells the triumphant story. How does a job this big get done? Penguin by penguin by penguin ...
https://www.ted.com/talks/dyan_denapoli_the_great_penguin_rescue

Dale Dougherty: We are makers

America was built by makers -- curious, enthusiastic amateur inventors whose tinkering habit sparked whole new industries. At TED@MotorCity, MAKE magazine publisher Dale Dougherty says we're all makers at heart, and shows cool new tools to tinker with, like Arduinos, affordable 3D printers, even DIY satellites.
https://www.ted.com/talks/dale_dougherty_we_are_makers

Eric Whitacre: A virtual choir 2,000 voices strong

In a moving and madly viral video last year, composer Eric Whitacre led a virtual choir of singers from around the world. He talks through the creative challenges of making music powered by YouTube, and unveils the first 2 minutes of his new work, "Sleep," with a video choir of 2,052. The full piece premiered a few weeks later (yes, on YouTube!).
https://www.ted.com/talks/eric_whitacre_a_virtual_choir_2_000_voices_strong

Mallory Freeman: Your company's data could help end world hunger

Your company might have donated money to help solve humanitarian issues, but you could have something even more useful to offer: your data. Mallory Freeman shows us how private sector companies can help make real progress on big problems -- from the refugee crisis to world hunger -- by donating untapped data and decision scientists. What might y...
https://www.ted.com/talks/mallory_freeman_your_company_s_data_could_help_end_world_hunger

Nancy Rabalais: The "dead zone" of the Gulf of Mexico

Ocean expert Nancy Rabalais tracks the ominously named "dead zone" in the Gulf of Mexico -- where there isn't enough oxygen in the water to support life. The Gulf has the second largest dead zone in the world; on top of killing fish and crustaceans, it's also killing fisheries in these waters. Rabalais tells us about what's causing it -- and how...
https://www.ted.com/talks/nancy_rabalais_the_dead_zone_of_the_gulf_of_mexico

Eduardo Paes: The 4 commandments of cities

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."
https://www.ted.com/talks/eduardo_paes_the_4_commandments_of_cities

Sebastien de Halleux: How a fleet of wind-powered drones is changing our understanding of the ocean

Our oceans are unexplored and undersampled -- today, we still know more about other planets than our own. How can we get to a better understanding of this vast, important ecosystem? Explorer Sebastien de Halleux shares how a new fleet of wind- and solar-powered drones is collecting data at sea in unprecedented detail, revealing insights into thi...
https://www.ted.com/talks/sebastien_de_halleux_how_a_fleet_of_wind_powered_drones_is_changing_our_understanding_of_the_ocean

James Orsulak: Why we need to move manufacturing off-planet

All our manufacturing currently takes place on Earth and, as a result, all its harmful byproducts and wasteful processes end up wreaking Earthbound havoc. In this forward-thinking talk, James Orsulak argues that the fix is to move manufacturing operations off-planet, using automated labor to mine resources and perform all those ecosystem-destabi...
https://www.ted.com/talks/james_orsulak_why_we_need_to_move_manufacturing_off_planet

Jill Seubert: How a miniaturized atomic clock could revolutionize space exploration

Ask any deep space navigator like Jill Seubert what makes steering a spacecraft difficult, and they'll tell you it's all about the timing; a split-second can decide a mission's success or failure. So what do you do when a spacecraft is bad at telling time? You get it a clock -- an atomic clock, to be precise. Let Seubert whisk you away with the ...
https://www.ted.com/talks/jill_seubert_how_a_miniaturized_atomic_clock_could_revolutionize_space_exploration

Hyeonseo Lee: My escape from North Korea

As a child growing up in North Korea, Hyeonseo Lee thought her country was "the best on the planet." It wasn't until the famine of the 90s that she began to wonder. She escaped the country at 14, to begin a life in hiding, as a refugee in China. Hers is a harrowing, personal tale of survival and hope -- and a powerful reminder of those who face ...
https://www.ted.com/talks/hyeonseo_lee_my_escape_from_north_korea

Erika Gregory: The world doesn't need more nuclear weapons

Today nine nations collectively control more than 15,000 nuclear weapons, each hundreds of times more powerful than those dropped on Hiroshima and Nagasaki. We don't need more nuclear weapons; we need a new generation to face the unfinished challenge of disarmament started decades ago. Nuclear reformer Erika Gregory calls on today's rising leade...
https://www.ted.com/talks/erika_gregory_the_world_doesn_t_need_more_nuclear_weapons

Anjali Tripathi: Why Earth may someday look like Mars

Every minute, 400 pounds of hydrogen and almost 7 pounds of helium escape from Earth's atmosphere into outer space. Astrophysicist Anjali Tripathi studies the phenomenon of atmospheric escape, and in this fascinating and accessible talk, she considers how this process might one day (a few billion years from now) turn our blue planet red.
https://www.ted.com/talks/anjali_tripathi_why_earth_may_someday_look_like_mars

Joel Levine: Why we need to go back to Mars

Planetary scientist Joel Levine shows some intriguing -- and puzzling -- new discoveries about Mars: craters full of ice, traces of ancient oceans, and compelling hints at the presence, sometime in the past, of life. He makes the case for going back to Mars to find out more.
https://www.ted.com/talks/joel_levine_why_we_need_to_go_back_to_mars

James Hansen: Why I must speak out about climate change

Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.
https://www.ted.com/talks/james_hansen_why_i_must_speak_out_about_climate_change

Fields Wicker-Miurin: Learning from leadership's missing manual

Leadership doesn't have a user's manual, but Fields Wicker-Miurin says stories of remarkable, local leaders are the next best thing. At a TED salon in London, she shares three.
https://www.ted.com/talks/fields_wicker_miurin_learning_from_leadership_s_missing_manual

Markham Nolan: How to separate fact and fiction online

By the end of this talk, there will be 864 more hours of video on YouTube and 2.5 million more photos on Facebook and Instagram. So how do we sort through the deluge? At the TEDSalon in London, Markham Nolan shares the investigative techniques he and his team use to verify information in real-time, to let you know if that Statue of Liberty image...
https://www.ted.com/talks/markham_nolan_how_to_separate_fact_and_fiction_online

Angel Hsu: How China is (and isn't) fighting pollution and climate change

China is the world's biggest polluter -- and now one of its largest producers of clean energy. Which way will China go in the future, and how will it affect the global environment? Data scientist Angel Hsu describes how the most populous country on earth is creating a future based on alternative energy -- and facing up to the environmental catas...
https://www.ted.com/talks/angel_hsu_how_china_is_and_isn_t_fighting_pollution_and_climate_change

Danny Dorling: Maps that show us who we are (not just where we are)

What does the world look like when you map it using data? Social geographer Danny Dorling invites us to see the world anew, with his captivating and insightful maps that show Earth as it truly is -- a connected, ever-changing and fascinating place in which we all belong. You'll never look at a map the same way again.
https://www.ted.com/talks/danny_dorling_maps_that_show_us_who_we_are_not_just_where_we_are

Greg Asner: Ecology from the air

What are our forests really made of? From the air, ecologist Greg Asner uses a spectrometer and high-powered lasers to map nature in meticulous kaleidoscopic 3D detail -- what he calls "a very high-tech accounting system" of carbon. In this fascinating talk, Asner gives a clear message: To save our ecosystems, we need more data, gathered in new ...
https://www.ted.com/talks/greg_asner_ecology_from_the_air

Corneille Ewango: A hero of the Congo forest

Botanist Corneille Ewango talks about his work at the Okapi Faunal Reserve in the Congo Basin -- and his heroic work protecting it from poachers, miners and raging civil wars.
https://www.ted.com/talks/corneille_ewango_a_hero_of_the_congo_forest

Risa Wechsler: The search for dark matter -- and what we've found so far

Roughly 85 percent of mass in the universe is "dark matter" -- mysterious material that can't be directly observed but has an immense influence on the cosmos. What exactly is this strange stuff, and what does it have to do with our existence? Astrophysicist Risa Wechsler explores why dark matter may be the key to understanding how the universe f...
https://www.ted.com/talks/risa_wechsler_the_search_for_dark_matter_and_what_we_ve_found_so_far

Kelly Wanser: Emergency medicine for our climate fever

As we recklessly warm the planet by pumping greenhouse gases into the atmosphere, some industrial emissions also produce particles that reflect sunshine back into space, putting a check on global warming that we're only starting to understand. Climate activist Kelly Wanser asks: Can we engineer ways to harness this effect and further reduce warm...
https://www.ted.com/talks/kelly_wanser_emergency_medicine_for_our_climate_fever
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