Friday assorted links

1. Orthodox Jews 18 percent of U.S. kidney donors.

2. So much Adderall!  Has to be screwy.  And presumably many people get it without prescriptions.

3. Redux: My 2021 talk at OpenAI — recommended.  And Arnold Kling on ChatGPT.

4. The Economist on whether economics has run out of big new ideas.  And should MIT be abolishing first-year macro in the graduate sequence?

5. “Contactless Real-Time Heart Rate Predicts the Performance of Elite Athletes.”

6. “Norway is a wealthy and egalitarian country with a homogeneous educational system, yet achievement gaps between students at the 90th and 10th percentiles of parental income and between students whose parents have at least a master and at most a high school degree are found to be large (0.55–0.93 and 0.70–0.99 SD), equivalent to about 2 to 2.5 years of schooling, and increasing by grade level. ”  Link here.  vtekl.

7. “A pair of Indian men broke a Guinness World Record by visiting all seven continents in 3 days, 1 hour, 5 minutes and 4 seconds.”  Like wise men, they started in Antarctica.

8. Paul Johnson, RIP (NYT).