ACX
Updates on Lumina Probiotic
Scott Alexander updates on Lumina probiotic, discussing FDA trials, effectiveness, potential risks, and his nuanced stance on the product.
12 min read 1,707 words
A thread through the archive
scientific uncertainty
Essays tagged “scientific uncertainty”. Follow an idea across the archive.
Essays on scientific uncertainty
3 essaysACX
Practically-A-Book Review: Rootclaim $100,000 Lab Leak Debate
Scott Alexander reviews a $100,000 debate on COVID-19 origins, where the zoonotic hypothesis unexpectedly won against the lab leak theory.
118 min read 18,207 words
ACX
Declining Sperm Count: Much More Than You Wanted To Know
Scott Alexander reviews the evidence for declining sperm counts, discussing major studies, criticisms, and potential causes, while remaining uncertain about the true extent and reasons for any decline.
31 min read 4,739 words