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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

When you can’t push any further, something has to shift #TEDTalks

Entrepreneur and TED Fellow Jane Marie Chen started a company that created a low-cost, portable incubator for premature babies in underserved communities, with the goal of saving more than one million babies around the world. After a decade of relentless challenges, the company shut down — pushing her into complete burnout and a profound personal…

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Entrepreneur and TED Fellow Jane Marie Chen started a company that created a low-cost, portable incubator for premature babies in underserved communities, with the goal of saving more than one million babies around the world. After a decade of relentless challenges, the company shut down — pushing her into complete burnout and a profound personal reckoning. In this powerful talk, she shares what happened next and how it taught her the secret to resilience.

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Why Pursuing Happiness Makes You … Less Happy | Emily Esfahani Smith | TED

Drawing on clinical research and psychological studies, writer and psychologist Emily Esfahani Smith shows why pursuing meaning — the experience of connecting to something beyond yourself — creates a deeper sense of well-being than comes from chasing happiness. Learn about the steps you can take to move from feeling stuck to living with intention. (This…

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Drawing on clinical research and psychological studies, writer and psychologist Emily Esfahani Smith shows why pursuing meaning — the experience of connecting to something beyond yourself — creates a deeper sense of well-being than comes from chasing happiness. Learn about the steps you can take to move from feeling stuck to living with intention. (This conversation, hosted by TED’s Whitney Pennington Rodgers, was part of an exclusive TED Membership event. TED Membership is the best way to support and engage with the big ideas you love from TED. To learn more, visit ted.com/membership.) (Recorded at TED Membership on January 14, 2026)

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#TED #TEDTalks #Happiness

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What Kosovo Can Teach the World About Freedom | Vjosa Osmani Sadriu | TED

“Truth is the real oxygen for democracy,” says Vjosa Osmani Sadriu, the 6th President of the Republic of Kosovo. As a child of war, she once longed for someone to save her people. Now she’s been in the rooms where decisions are made — and she’s never forgotten what brought her there. In conversation with…

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“Truth is the real oxygen for democracy,” says Vjosa Osmani Sadriu, the 6th President of the Republic of Kosovo. As a child of war, she once longed for someone to save her people. Now she’s been in the rooms where decisions are made — and she’s never forgotten what brought her there. In conversation with solutions journalist Angus Hervey, she reflects on what it takes to defend democracy in a world where truth itself is under threat. (Recorded on April 14, 2026) (Recorded at TED2026 on April 14, 2026)

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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 #TEDTalks #Democracy

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