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metascience (2)
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study critique (270)
book review (221)
AI (112)
economics (105)
effective altruism (105)
education (93)
creative writing (91)
debate (89)
forecasting (89)
politics (89)
prediction markets (88)
science (85)
AI safety (79)
media criticism (76)
neuroscience (76)
rationality (76)
psychiatry (73)
psychology (72)
mental health (69)
highlights from the comments (68)
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domain: slatestarcodex.com (1127 posts)
domain: wikipedia.org (896 posts)
domain: astralcodexten.com (560 posts)
domain: lesswrong.com (491 posts)
domain: twitter.com / x.com (445 posts)
domain: nih.gov (333 posts)
domain: reddit.com (321 posts)
domain: amazon.com (276 posts)
domain: substack.com (268 posts)
domain: google.com (235 posts)
domain: nytimes.com (229 posts)
domain: wordpress.com (175 posts)
domain: tumblr.com (159 posts)
domain: vox.com (159 posts)
domain: washingtonpost.com (143 posts)
domain: marginalrevolution.com (140 posts)
domain: sciencedirect.com (131 posts)
domain: theguardian.com (130 posts)
subreddit: slatestarcodex (130 posts)
domain: youtube.com (128 posts)
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2 posts
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effective altruism (105) forecasting (89) AI safety (79) charitable giving (30) animal welfare (21) ACX Grants (16) genetic engineering (15) grant-making (10) development economics (9) global health (5) organ donation (3) biosecurity (2) metascience (2)

ACX Grants Results 2025

Scott announces the results of the 2025 ACX Grants round, awarding $1.5 million to 42 projects out of 654 applications, covering areas from genetic engineering and disease prevention to AI safety and educational reform.

acx
Oct 13, 2025 4,808 words 195 likes 265 comments Listen · 29 min Read Read
study critique (270) much more than you wanted to know (30) optical illusions (12) religious experiences (4) miracle analysis (3) eyewitness testimony (3) visual perception (3) mass hallucination (3) sungazing (2) Fatima (2) visual phenomena (2) entoptic phenomena (2) metascience (2) Marian apparitions (2)

The Fatima Sun Miracle: Much More Than You Wanted To Know

A detailed investigation of the Sun Miracle of Fatima in 1917, where 70,000 people witnessed the sun appear to spin, change colors, and fall to earth, analyzing witness testimonies, skeptical explanations, and similar phenomena at other Marian apparition sites.

acx
Oct 1, 2025 32,949 words 694 likes 753 comments Listen · 186 min Read Read
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