Freelance R&D, Erdős number 4.
Joined September 2009
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81 Photos and videos
The two free throw attempts are not independent.
P(2nd made | 1st made) = 82.17%.
P(2nd made | 1st missed) = 77.22%.
ChatGPT 5.5 generated the stats, link to the chat session:
chatgpt.com/share/6a2dd6fd-6…
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Data source is Table 4.1:
irs.gov/statistics/soi-tax-s….
ChatGPT 5.5 chat session which generated the table:
chatgpt.com/share/6a2dc2d6-a…
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Jun 12
Where's does today's SpaceX IPO pop rank? Looks mid compared to other big tech IPOs.
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Jun 12
Table was generated in ChatGPT, link to the chat session below.
chatgpt.com/share/6a2c83e5-0…
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Jun 12
The SpaceX IPO in the context of other NASDAQ-100 tech stocks.
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Jun 12
The plot was generated - in fits and starts - using ChatGPT 5.5, link to chat session below. Feedback, especially errors and omissions, welcome!
chatgpt.com/share/6a2c241d-f…
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May 8
I didn't notice the "face" when I took the original photo (this is cropped).
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Feb 13
I wonder why their conclusions seemed to change (if in fact they did)? NOTE: studies purporting to find racial/ethnic/gender differences in behavior have often/usually generated controversy. 3/
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Feb 13
The published version of this paper pnas.org/doi/abs/10.1073/pna… seems to come to different conclusions from an earlier preprint docs.iza.org/dp16818.pdf wrt risk tolerance between races and the gender gap between black males and black females. 1/
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Feb 13
Here's a link to the published paper which is not behind a paywall "The racial and ethnic gap in behavioral measures rivals the gender gap in the United States" pnas.org/doi/10.1073/pnas.25… 2/
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Jan 7
Competition for heritable wealth, not cultural group selection, drives the evolution of monogamy | PNAS pnas.org/doi/abs/10.1073/pna…
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Jan 2
"Norepinephrine-mediated slow vasomotion drives glymphatic clearance during sleep" Finds a potential negative effect of #Ambien on brain health. cell.com/cell/abstract/S0092…
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11 Dec 2025
Huge genetic study reveals hidden links between psychiatric conditions nature.com/articles/d41586-0…
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20 Sep 2025
David Reich gave a talk at the Radcliffe Institute on September 15th. The Harvard Gazette reported "Later, 5,000 to 6,000 years ago, mobile pastoralists called the Yamnaya from the Asian steppe arrived ..." However - news.harvard.edu/gazette/sto…
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20 Sep 2025
In February 2025, Reich published a paper in Nature which stated "The Yamnaya archaeological complex appeared around 3300 bc across the steppes north of the Black and Caspian Seas" - which is in Europe. nature.com/articles/s41586-0…
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20 Sep 2025
Either Reich changed his story over the past 7 months, or the Harvard Gazette inaccurately reported what he said.
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