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June 25, 2025
So You Want to Go Pro?
Ten years ago today I published a post at my sport governance blog, The Least Thing, that explored who had a greater chance of “going pro” — the men’s NCAA Division 1 basketball player or the PhD graduate seeking a tenure track job in a university? At the time it was a fun exploration of an…
June 16, 2025
“The Global Fertility Crisis is Worse Than You Think”
The title of today’s post comes from an excellent recent talk in London given by my AEI colleague (and University of Pennsylvania professor), Jesús Fernández-Villaverde. Today I look at the simple math of population projections to clarify the nature of the “crisis” — which is indeed worse than I thought. On X/Twitter, JFV summarized his talk as follows: The…
June 4, 2025
What is a “Worst Case” Climate Scenario?
The implausibly extreme and hugely popular climate scenario RCP8.5 made it into President Trump’s executive order last week on “Restoring Gold Standard Science.” Ironically, the Trump administration’s characterization of RCP8.5 did not quite reach the “gold standard,” and maybe not even a “bronze standard. “ The EO states: [Federal a]gencies have used Representative Concentration Pathway…
June 3, 2025
The Politicization of Intelligence, Part 2
In Part 1 of this two-part series I discussed the National Intelligence Council (NIC) and its role iin synthesizing and summarizing intelligence from across the U.S. government’s intelligence gathering agencies. Today, in Part 2 I take a broader look at the challenges of securing reliable intelligence in an environment characterized by ever-present politics. Intelligence in decision making “includes…
May 23, 2025
Heavy Metal
More than 7,000 years ago, humans first began mining copper. Since then, humans have mined more than 700 million tonnes. According to a fascinating study of the metals requirements of a net zero energy transition, the world will need to produce another 700 million tonnes of copper over the next 22 years. The study, by Simon Michaux of the…
May 19, 2025
Ten Provocative Graphs
The figures and data below are all hot of the press and shared to help get your weekend off to an intellectually stimulating start. Enjoy! The Earth is Darkening In a new posting, climate scientist James Hansen calls our attention to a “BFD”: Earth’s albedo (or reflectivity) is the portion (percent) of incoming solar radiation that…
April 17, 2025
The New Rules for Experts
My friend and AEI colleague Tony Mills — director of the AEI Center for Technology, Science, and Energy — has been on a tear lately. Today, I share four of Tony’s essays published in the past month on public trust in science, reform of NIH, COVID’s long-term costs, and how virologists lost the gain-of-function debate. Enjoy, and see you…
March 20, 2025
Is Single Extreme Event Attribution Even Possible?
The U.S. National Academy of Sciences, Engineering, and Medicine (NASEM) currently has a study committee on Attribution of Extreme Weather and Climate Events and their Impacts. In this series — Weather Attribution Alchemy — I have previously discussed the committee’s many conflicts of interest. Today I discuss a crucial scientific question at the center of the committee’s work,…
March 12, 2025
“In Bad Faith”
The DC Court that heard the defaation case brought by climate scientist Michael Mann against two bloggers has ruled today that Mann and his lawyers acted in “bad faith” during the case, by presenting false claims on multiple occasions related to Mann’s grant funding: Here, the Court finds, by clear and convincing evidence, that Dr. Mann, through…
February 24, 2025
Why We Do the Research
One of the wonderful things about science is that research results cannot be consistently anticipated. That’s why we do the research. That research doesn’t always come out how we expect is particularly problematic for partisans who expect research to provide results in alignment with their political commitments. So you think hurricane landfalls have become more…