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EA Forum Podcast (All audio)

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EA Forum Podcast (All audio)
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  • EA Forum Podcast (All audio)

    [Linkpost] “Starfish” by Aaron Gertler 🔸

    28/04/2026 | 4 mins.
    This is a link post. By Alexander Wales
    Thousands of starfish had washed up on the beach, and a little girl was diligently throwing them back into the water, one at a time.
    A man came up to the girl and said, "You'll never save all of them. What you're doing is pointless. It doesn't matter."
    The girl threw another starfish into the water. "It mattered to that one."
    The man snorted and walked away.
    The girl kept throwing starfish, one after another.
    To throw one starfish back into the ocean takes a trivial amount of effort, but to throw ten, or fifty, is much less so. The girl had not learned much of biomechanics, but she began to feel the strain in her back. Her skin had softened from the seawater, and the starfish themselves were abrasive. Her fingers had pruned. Her shoulder hurt. She was cut, twice, on her fingers, as the same storm that had stranded the starfish had also brought up broken shells and crab carapaces. The skin of a starfish was like sandpaper.
    She tried switching hands, and could throw the starfish less well, and it wasn't long before she had mirrored all her injuries. [...]
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    First published:

    April 28th, 2026


    Source:

    https://forum.effectivealtruism.org/posts/BHHcPbirBdoBetNiu/starfish


    Linkpost URL:
    https://archiveofourown.org/works/52206136/chapters/220900811#workskin

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    Narrated by TYPE III AUDIO.
  • EA Forum Podcast (All audio)

    “Time Sensitive Urgent Animal Welfare Action” by Bentham’s Bulldog

    28/04/2026 | 1 mins.
    The EATS act—now called the save our bacon act—would make it illegal for states to pass animal welfare laws that apply to products produced out of state. This would gut most state level animal protection. It would be the worst law for animal welfare ever passed, and would consign hundreds of millions of animals to a life in a cage. Terrifyingly, it has been added to the recent farm bill (though fortunately, even if it passes, egg laying hens will be spared). It will be voted on in the next few days, so this is EXTREMELY TIME SENSITIVE!
    There is an amendment to the farm bill that representatives could vote for called the Luna amendment which would remove the EATS act from the farm bill. This would save countless animals from extreme suffering and prevent the dissolution of most animal protection laws. It would be a catastrophe for animal welfare of historic proportions.
    Fortunately, there is something you can do about it. See this document for a lot more detail, including fairly easy steps like emailing your representative. Please, please, do some of these things. This is truly a pivotal moment for animals, and how we act today might [...]
    ---

    First published:

    April 28th, 2026


    Source:

    https://forum.effectivealtruism.org/posts/GLixYBHyaLHsnAoDG/time-sensitive-urgent-animal-welfare-action

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    Narrated by TYPE III AUDIO.

    ---
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  • EA Forum Podcast (All audio)

    [Linkpost] “Contra Binder on far-UVC and filtration” by Jeff Kaufman 🔸

    28/04/2026 | 6 mins.
    This is a link post. Damon Binder recently wrote up an argument for prioritizing air filtration over far-UVC for pathogen control:
    UVC and filtration are close substitutes—both deliver effective air changes per hour, both reduce airborne pathogen concentrations by the same amount per eACH—and on current pricing, filtration is cheaper.
    There's a lot of good stuff in his analysis, but I see [1] three considerations that really change the bottom line:
    Cost is actually much lower.
    Noise is a serious issue.
    Performance is dramatically higher in larger rooms.
    Cost is straightforward. Binder priced far-UVC based on the high-quality Care222 lamp with the Krypton-11 at $2,500, but there's a much cheaper option, the Aerolamp at $500. It's also moderately higher output.
    Binder analyzes a 30m2 room with a 2.5m ceiling. I'll assume this means 6x5x2.5. If I configure Illuminate with an Aerolamp in one corner pointed 0.5m above the far corner the installation is within TLVs and I get a median effective number of hourly air changes (eACH) of 11.6. The lamp degrades approximately linearly over Binder's 11,000 hour evaluation period down to 70% capacity, so we're averaging an eACH of 9.8. Over that time you're paying $500 for the [...]
    ---

    First published:

    April 27th, 2026


    Source:

    https://forum.effectivealtruism.org/posts/AGpN9tQGyiuRspjPu/contra-binder-on-far-uvc-and-filtration


    Linkpost URL:
    https://www.jefftk.com/p/contra-binder-on-far-uvc-and-filtration

    ---

    Narrated by TYPE III AUDIO.

    ---
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    Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
  • EA Forum Podcast (All audio)

    ″“If this had been published a decade earlier…” Help us change the career-advice canon for the better!” by Bella, 80000_Hours

    27/04/2026 | 5 mins.
    80,000 Hours (the book) comes out in just one month!!
    We asked OWID's Hannah Ritchie if she wanted to say something nice about the book, and she said: “If this had been published a decade earlier, it'd have saved me many restless nights.”
    I think that applies to me too…
    But also: wow, I’d really love for us to get the book in the hands of as many ten-years-ago-Hannah-Ritchies as possible!
    Can we do that? And if so, how?
    Well, the audacious goal that we’ve been aiming at is to embed the book as part of the “canon” of go-to career advice books.
    If we manage to pull that off — which is far from guaranteed — it could have a further-reaching impact than any other research we’ve published.
    In this post, I thought I’d:
    Describe why I think that's valuable
    Tell you how you can help increase the odds it goes far (a few individuals could help a lot!)
    Why do this?
    This is a bold claim, but it's actually my best guess that the 80k career guide is among the best content ever published, when it comes to helping people have higher impact careers — according [...]
    ---
    Outline:
    (01:10) Why do this?
    (03:46) How you can help
    (04:47) Thanks all!! 3
    ---

    First published:

    April 27th, 2026


    Source:

    https://forum.effectivealtruism.org/posts/Djae2FhTyn8GSboEN/if-this-had-been-published-a-decade-earlier-help-us-change

    ---

    Narrated by TYPE III AUDIO.

    ---
    Images from the article:
    Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
  • EA Forum Podcast (All audio)

    [Linkpost] “Shrimp Sentience Research: A Prioritization Guide” by Guillaume Reho

    27/04/2026 | 1h 45 mins.
    This is a link post. Meta-context
    I wrote a within-cause prioritization report discussing why we should continue studying shrimp sentience and how we can actually do it. Whether you are just curious about how we actually study sentience in invertebrates or are interested in doing or funding such research, this report is for you.
    I highly encourage you to read this report through its original format by clicking here. I copied its content here to make it easier to discuss and share, but the formatting is slightly off and some color coding is missing. Enjoy!
    Executive summary
    Context
    Shrimp are the most killed animals for food production globally: around 440 billion shrimps are farmed (Penaeid species) and 25 trillion shrimps are wild-caught (Sergestidae species) every year.
    Despite their massive numbers, shrimp welfare is poorly considered while their sentience is still a highly debated matter both in the scientific literature and among the general public.
    Methodology
    The sentience framework developed by (J. Birch et al., 2021) is used as a reference.
    Multiple considerations are used to argue which criteria from the framework we should prioritize researching, such as their relative weights in the framework, time necessary to study, invasiveness [...]
    ---
    Outline:
    (00:14) Meta-context
    (00:47) Executive summary
    (00:51) Context
    (01:19) Methodology
    (01:48) Key points
    (02:48) Introduction
    (02:51) Context
    (05:17) Defining terms
    (07:34) Poll results
    (10:17) Preamble assumptions
    (11:24) Goals
    (12:39) Methodology
    (12:42) Sentience Framework
    (17:36) Prioritization
    (17:50) Relative weights
    (20:17) Time
    (22:54) Inter-dependability of criteria
    (24:03) Costs
    (28:09) Number of animal studied and invasiveness of protocols
    (29:26) Labs
    (31:34) Criterion 1: Nociceptors
    (31:39) Definition
    (31:47) Summary
    (32:02) Description
    (36:03) How to study
    (38:30) Protocols summary
    (38:41) What we currently know
    (41:06) What we would need
    (43:09) Criterion 2: Integrative brain regions
    (43:15) Definition
    (43:25) Summary
    (43:39) Description
    (45:04) How to study
    (46:27) Protocols summary
    (46:43) What we currently know
    (48:39) What we would need
    (49:27) Criterion 3: Integrated nociceptors
    (49:33) Definition
    (49:42) Summary
    (49:55) Description
    (50:18) How to study
    (51:26) Protocols summary
    (51:51) What we currently know
    (53:18) What we would need
    (54:22) Criterion 4: Behavior modulation
    (54:28) Definition
    (55:09) Summary
    (55:26) Description
    (58:19) How to study
    (59:47) Protocols summary
    (01:00:03) What we currently know
    (01:02:47) What we would need
    (01:05:03) Criterion 5: Motivational trade-offs
    (01:05:09) Definition
    (01:05:32) Summary
    (01:05:47) Description
    (01:06:50) How to study
    (01:08:44) Protocols summary
    (01:08:53) What we currently know
    (01:10:01) What we would need
    (01:11:54) Criterion 6: Flexible self-protection
    (01:12:00) Definition
    (01:12:15) Summary
    (01:12:31) Description
    (01:14:09) How to study
    (01:15:03) Protocols summary
    (01:15:18) What we currently know
    (01:16:44) What we would need
    (01:17:43) Criterion 7: Associative learning
    (01:17:49) Definition
    (01:18:09) Summary
    (01:18:25) Description
    (01:20:03) How to study
    (01:23:16) Protocols summary
    (01:23:22) What we currently know
    (01:24:58) What we would need
    (01:26:33) Criterion 8: Pain-relief seeking
    (01:26:38) Definition
    (01:27:07) Summary
    (01:27:21) Description
    (01:28:01) How to study
    (01:34:16) Protocols summary
    (01:34:25) What we currently know
    (01:34:33) What we would need
    (01:37:01) Conclusion
    (01:39:33) Should we focus on welfare interventions instead?
    (01:40:47) What about welfare ranges?
    (01:42:56) I want to support research. What should I do?
    (01:44:37) Acknowledgements
    (01:45:21) Bibliography
    ---

    First published:

    April 27th, 2026


    Source:

    https://forum.effectivealtruism.org/posts/gcMdxLKTgeKty2eoa/shrimp-sentience-research-a-prioritization-guide


    Linkpost URL:
    https://docs.google.com/document/d/1cTPdgF-FBqjIL9_A3gQpVtnhyXDmYwZLS-ApTyVTKrI/edit?usp=sharing

    ---

    Narrated by TYPE III AUDIO.

    ---
    Images from the article:
    Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.

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About EA Forum Podcast (All audio)

Audio narrations from the Effective Altruism Forum, including curated posts, posts with 30 karma, and other great writing. If you'd like fewer episodes, subscribe to the "EA Forum (Curated & Popular)" podcast instead.
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