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Everything you can observe — stars, planets, galaxies — is only a fraction of what exists #TEDTalks

The universe that we know, with its luminous stars and orbiting planets, is largely made up of elements we can’t actually see — like dark energy and dark matter — and therefore don’t fully understand. Theoretical physicist Chanda Prescod-Weinstein takes us inside the search for this cosmos-shaping invisible matter and explains how, with the help…

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The universe that we know, with its luminous stars and orbiting planets, is largely made up of elements we can’t actually see — like dark energy and dark matter — and therefore don’t fully understand. Theoretical physicist Chanda Prescod-Weinstein takes us inside the search for this cosmos-shaping invisible matter and explains how, with the help of a new generation of telescopes, we could be closer to demystifying it than ever before. “The universe is more queer and fantastical than it looks to the naked eye,” she says. (If you want to hear more from Prescod-Weinstein, check out her episode on “The TED Interview” podcast.)

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10 Comments

10 Comments

  1. @vesawuoristo4162

    March 16, 2026 at 12:13 pm

    That’s not really a fact.

    • @jonnanderson6489

      March 16, 2026 at 1:49 pm

      Theory in search of evidence, kinda like string theory.

    • @MikeOBrien1945

      March 16, 2026 at 4:42 pm

      Can you disprove it?

    • @j1r2000

      March 16, 2026 at 4:48 pm

      @jonnanderson6489 small correction a theory is not “in search of evidence” a theory fits the evidence we have gathered so far. a hypothesis requires people to go out in search of evidence.

      and yes the semantics do actually matter as it leads to confusion around research if we not precise with our semantics

    • @damwizzthegreat

      March 16, 2026 at 7:42 pm

      ​@MikeOBrien1945not all that cant be proven is wrong not all that can be proven is correct

    • @MikeOBrien1945

      March 16, 2026 at 8:21 pm

      @damwizzthegreat That’s not disproving anything. Just a poignant saying. I’m sticking with the scientist…

  2. @leagarner3675

    March 16, 2026 at 8:05 pm

    We live in a dark matter halo?

  3. @davidcasey5976

    March 16, 2026 at 9:20 pm

    Her nose matters

  4. @JohnDoe-fy5kd

    March 17, 2026 at 8:26 pm

    She can smell 👃🏻 the invisible stuff

  5. @JohnDoe-fy5kd

    March 17, 2026 at 8:27 pm

    The nose knows

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People & Blogs

Why It’s So Hard to Listen When You Disagree | Emily Kasriel | TED

Do you avoid talking to people you disagree with? Author and mediator Emily Kasriel thinks you should try it out. She explains why engaging with ideas that bother you is one of the most powerful things you can do — and presents her framework for “deep listening” that can help you form relationships across generations,…

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Do you avoid talking to people you disagree with? Author and mediator Emily Kasriel thinks you should try it out. She explains why engaging with ideas that bother you is one of the most powerful things you can do — and presents her framework for “deep listening” that can help you form relationships across generations, cultures and political divides.(Recorded at TED2026 on April 15, 2026)

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Why We Should Design Cities Like Disney | Zach DeBoer | TED

Where you live shapes your relationships, your emotions and even how long you live, says community designer Zach DeBoer. After studying what a century of building cities around cars has done to downtowns in the US, he turned to lessons from some of the most walkable, carefully designed streets in the country: the ones inside…

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Where you live shapes your relationships, your emotions and even how long you live, says community designer Zach DeBoer. After studying what a century of building cities around cars has done to downtowns in the US, he turned to lessons from some of the most walkable, carefully designed streets in the country: the ones inside Disney theme parks. With ideas ranging from narrower roads to buildings that pull you around the next corner, he offers a practical guide to turning ordinary downtowns into magical places people want to explore. (Recorded at TEDxSioux Falls on May 5, 2023)

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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

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TED videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with the TED Talks Usage Policy: . For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a request at

#TED #TEDTalks #Design

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Running a marathon? Here’s what your brain has to look forward to. #TEDTalks

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