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Physiology

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Read more about the article Heat and the great balls decline

Heat and the great balls decline

  • Post author:Emil O. W. Kirkegaard
  • Post published:25. April 2022
  • Post category:Medicine/Physiology

OK, click baity title, but bear with me. In a prior post on Roman fertility decline, I had mentioned a speculative piece arguing that Roman fertility decline was in part…

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Book review: David Sinclair – Lifespan: Why We Age—and Why We Don’t Have To (2019)

  • Post author:Emil O. W. Kirkegaard
  • Post published:9. February 2022
  • Post category:Biology/Genomics/Medicine/Physiology

David A. Sinclair - Lifespan: Why We Age—and Why We Don't Have To, 2019 (free ebook is on libgen) I know Scott Alexander has already reviewed this, but since I…

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Read more about the article Testosterone battles

Testosterone battles

  • Post author:Emil O. W. Kirkegaard
  • Post published:16. November 2021
  • Post category:Biology/intelligence / IQ / cognitive ability/Physiology/Sociology

Back in October Razib Khan had Carole Hooven on his podcast. She's the author of a new popsci book on testosterone: T: The Story of Testosterone, the Hormone that Dominates…

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Physiognomy: a field ready for scientific revival

  • Post author:Emil O. W. Kirkegaard
  • Post published:10. November 2019
  • Post category:Differential psychology/psychometrics/Neuroscience/Physiology/Science
  • Post comments:0 Comments

People keep asking me about the state of the art re. evidence for physiognomy, so here's a brief review. Phrenology used to be considered legit, and then eventually people realized…

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Race gaps in brain size in the very young

  • Post author:Emil O. W. Kirkegaard
  • Post published:21. March 2018
  • Post category:Genetics / behavioral genetics/intelligence / IQ / cognitive ability/Physiology
  • Post comments:0 Comments

Most environmentalists have by now given up denying the existence of racial gaps in head size, but they only retreated a few yards: Nisbett, R. E., Aronson, J., Blair, C.,…

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Change in Egyptian skull sizes: -4000 to 150

  • Post author:Emil O. W. Kirkegaard
  • Post published:26. April 2016
  • Post category:Physiology

I often read statistics textbooks. In textbooks, they often use example datasets, some of which are interesting in themselves (e.g. the Boston dataset). In this case, I am reading An…

Continue ReadingChange in Egyptian skull sizes: -4000 to 150
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