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Studying the universe for a living? Sounds like a pretty big job #TEDTalks

The universe started with a bang — but how will it end? With astonishing visuals, cosmologist and TED Fellow Katie Mack takes us to the theoretical end of everything, some trillions of years in the future, in a profound meditation on existence, wonder and the legacy of humanity within the immensity of time and space.

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The universe started with a bang — but how will it end? With astonishing visuals, cosmologist and TED Fellow Katie Mack takes us to the theoretical end of everything, some trillions of years in the future, in a profound meditation on existence, wonder and the legacy of humanity within the immensity of time and space.

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9 Comments

9 Comments

  1. @DY2784

    April 2, 2026 at 4:53 pm

    👋👍

  2. @Lmn_133

    April 2, 2026 at 4:56 pm

    And what’s the importance of that sturdy?!

    • @queenieevergreen

      April 3, 2026 at 5:13 pm

      Sturdy things are generally preferred over their alternative. For, what I hope, are obvious reasons, of course.

  3. @steventaylor6212

    April 2, 2026 at 5:09 pm

    I’ve seen you before. I laughed when some self appointed internet expert was trying to lecture you on astrophysics.😂

  4. @BrianMcInnis87

    April 2, 2026 at 10:41 pm

    Wasn’t aware it was possible to study things other than the universe.

  5. @joshbradstreet1736

    April 2, 2026 at 10:55 pm

    I don’t believe in horoscopes

    • @RandomAxeOfKindness

      April 3, 2026 at 4:13 pm

      They’re real. I’ve seen them. But they’re based on nonsense and wildly inaccurate.

  6. @queenieevergreen

    April 3, 2026 at 5:14 pm

    Such important work.

  7. @BanuSahinn

    April 4, 2026 at 11:33 am

    “I study the universe and then I talk about it” 😎

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People & Blogs

“Drawing has taught me how to create my own rules.” #TEDTalks

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How Community Notes Reduce Viral Misinformation | Keith Coleman, Jay Baxter | TED

Community Notes on X started with a wild idea: Instead of tech companies deciding what’s true, what if you let people fact-check each other? Jay Baxter and Keith Coleman, who helped build the crowdsourced system adding context to misleading posts, discuss how the program reduces viral misinformation — and why people across the political spectrum…

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Community Notes on X started with a wild idea: Instead of tech companies deciding what’s true, what if you let people fact-check each other? Jay Baxter and Keith Coleman, who helped build the crowdsourced system adding context to misleading posts, discuss how the program reduces viral misinformation — and why people across the political spectrum trust it. In conversation with TED guest curator Audrey Tang, they discuss how their “surprising agreement” algorithm could reveal the common ground that quietly exists across a polarized internet. (Followed by a note from TED guest curators Divya Siddarth and Audrey Tang) (Recorded at TED2026 on April 14, 2026)

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“Take a hike” just got a whole new meaning #TEDTalks

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