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The Surprisingly Simple Reason Teams Fail | Tessa West | TED

In 1999, a NASA mission to Mars failed … not from a technical glitch, but because people weren’t talking to each other. Psychology professor Tessa West explores how assumptions, overlooked details and “hidden languages” can quietly sabotage even the smartest teams — and explores the small shifts in communication that can make a big difference…

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In 1999, a NASA mission to Mars failed … not from a technical glitch, but because people weren’t talking to each other. Psychology professor Tessa West explores how assumptions, overlooked details and “hidden languages” can quietly sabotage even the smartest teams — and explores the small shifts in communication that can make a big difference in how information lands. (Recorded at TEDxCatawba on June 14, 2025)

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29 Comments

29 Comments

  1. @GodlovesElijah

    February 1, 2026 at 11:03 am

    First❤

  2. @joeymason9483

    February 1, 2026 at 11:04 am

    Nice spelling error in the thumbnail

    • @ZombieDiscoBall3

      February 1, 2026 at 4:40 pm

      That is in another video “Ways to fool yourself to feel superior” 👌

  3. @MusfiqulMurad-j1e

    February 1, 2026 at 11:23 am

    From Bangladesh <3

  4. @sebsanmusic

    February 1, 2026 at 11:28 am

    It is difficult to concentrate on what is being said while these terrible AI images are shown -.-

  5. @ExistentialWolf

    February 1, 2026 at 11:37 am

    Bait is so

  6. @David-so6kv

    February 1, 2026 at 11:37 am

    I love communicating and sphelling

  7. @NickArcade

    February 1, 2026 at 12:02 pm

    Hmmmmm deicsions, deicsions…

  8. @nrique_s

    February 1, 2026 at 12:31 pm

    “Create a thumbnail that reads How To Communicate Big Deicsions”

  9. @jenny-allan

    February 1, 2026 at 1:50 pm

    The hidden languages point is really interesting.

  10. @thomasw9905

    February 1, 2026 at 2:33 pm

    Ich verstehe nur „Bahnhof“. 🤷🏼‍♂️

  11. @FiatLux2025

    February 1, 2026 at 2:44 pm

    That was one of the mostly poorly communicated TED talks ever – a combination of statements of the bleedin’ obvious and pure gibberish.

  12. @Jonny-on-YouTube

    February 1, 2026 at 3:06 pm

    Did anyone even bother to check the thumbnail spelling?

  13. @misserrelax

    February 1, 2026 at 3:13 pm

    A powerful reminder that failure often isn’t about intelligence or technology, but about how we communicate. This really stays with you.

  14. @paulwilson8672

    February 1, 2026 at 6:52 pm

    It is the Cool Hand Luke problem. “What we have here is a failure to communicate.”

  15. @paulwilson8672

    February 1, 2026 at 7:09 pm

    I’ve worked at a lot of different places. Every time to you go to another company you have to learn a foreign language. If you don’t have an acronym list it is hard to figure out the decoder ring. The military has training for something like this, but may not realize it. It is the Marine Corps 6th General order. 6. To receive, obey, and pass on to the sentry who relieves me, all orders from the Commanding Officer, Officer of the Day, Officers, and Non-Commissioned Officers of the guard only. It is call passing the word. Also, in Extreme Ownership they talk about effectively communicating and following up to make sure the word is passed.

  16. @iainmackenzieUK

    February 1, 2026 at 8:04 pm

    what does “tracking” mean?

  17. @tendEcUptLove94TSerie

    February 2, 2026 at 12:54 am

    As a contractor I’ve had to learn how to adapt very quickly. You learn straight away what are the major problems in the business running successfully.

  18. @tcagamervn

    February 2, 2026 at 2:10 am

    Goodđ

  19. @michael_pilot

    February 2, 2026 at 7:10 am

    Sometimes communication is difficult because the company is always looking for the cheapest option. So the good people leave. And the people hired don’t speak the company’s language well (English, German etc…) and aren’t engaged. So it’s pointless to think we need to improve communication when we’re dealing with a problem of skills and social abilities, and a complete inability to progress

  20. @michael_pilot

    February 2, 2026 at 7:16 am

    The problem is finding a balance. Certain standards create a common vocabulary, which is good. Except that sometimes it’s so verbose that it becomes useless. And sometimes people who are very picky about words do so because they struggle with the work itself, so they comfortably remain at an easier level…

  21. @user-fk8zw5js2p

    February 2, 2026 at 8:20 am

    If you knew what was meant by, “How to Communicate Big Deicsions,” then communication was accomplished regardless of the spelling mistake and we all can move one.

    🤣

  22. @user-fk8zw5js2p

    February 2, 2026 at 8:26 am

    One way to tell this was a good TED talk is because people trying to find something wrong with it can’t find anything wrong with what the speaker actually said.

  23. @MrRodrigues520

    February 2, 2026 at 8:39 am

    I believe it’s ‘teams’, not ‘Teams’. It’s not about the Microsoft product.

  24. @snake698

    February 3, 2026 at 1:18 pm

    Which teams fail?

  25. @irritablysavvy

    February 3, 2026 at 6:43 pm

    My probe always explodes when it hits the atmosphere. It’s just science.

  26. @jurjenbos228

    February 4, 2026 at 4:14 pm

    Yes, the talk could be better. But the message is very important and recognizable

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People & Blogs

“Autism is not a disease; it’s just another way of thinking” #TEDTalks

“Autism is not a disease; it’s just another way of thinking,” says Ethan Lisi. Offering a glimpse into the way he experiences the world, Lisi breaks down misleading stereotypes about autism, shares insights into common behaviors like stimming and masking and promotes a more inclusive understanding of the spectrum.

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“Autism is not a disease; it’s just another way of thinking,” says Ethan Lisi. Offering a glimpse into the way he experiences the world, Lisi breaks down misleading stereotypes about autism, shares insights into common behaviors like stimming and masking and promotes a more inclusive understanding of the spectrum.

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How a Viral Choreographer Makes His Moves | Sean Bankhead | TED

In a swaggering performance, choreographer Sean Bankhead and his students perform the viral dance he designed for Victoria Monét’s hit song “On My Mama.” Rooted in Black culture and inspired by generations of iconic artists, Bankhead blends expertise with at least one move everyone can try — showing how choreography doesn’t just reflect culture, it…

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In a swaggering performance, choreographer Sean Bankhead and his students perform the viral dance he designed for Victoria Monét’s hit song “On My Mama.” Rooted in Black culture and inspired by generations of iconic artists, Bankhead blends expertise with at least one move everyone can try — showing how choreography doesn’t just reflect culture, it drives it forward. (Recorded at TEDNext 2025 on November 9, 2025)

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The Story You’re Not Hearing About AI Data Centers | Ayșe Coskun | TED

The race to build smarter AI is crashing into a physical limitation: the power grid simply can’t keep up with the energy demands of data centers. Computer scientist Ayșe Coskun shows how we could turn this problem on its head, transforming AI facilities into virtual batteries that help stabilize the grid and accelerate clean energy.…

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The race to build smarter AI is crashing into a physical limitation: the power grid simply can’t keep up with the energy demands of data centers. Computer scientist Ayșe Coskun shows how we could turn this problem on its head, transforming AI facilities into virtual batteries that help stabilize the grid and accelerate clean energy. Learn why the technology causing this crisis might be the only thing smart enough to fix it. (Recorded at TEDAI San Francisco on October 21, 2025)

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The TED Talks channel features talks, performances and original series from the world’s leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.

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TED’s 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 our TED Talks Usage Policy: . For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at

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