Tuesday: Hili dialogue

October 22, 2024 • 6:45 am

Welcome to the Cruelest day, Tuesday, October 22, 2024, and Eat a Pretzel Day. And by that, I mean a large, soft German-style pretzel, ideally dipped into mustard. (Even more ideally, accompanied by a cold liter of German beer. In fact, two cold liters of beer.) Below you learn how they make the soft ones:

Remember that tomorrow a.m. I head to Vegas to make my fortune give a talk, and posting will be light until about November 1. (November already?)

It’s also Clean Up the Earth Day, INTERNATIONAL CAPS LOCK DAY, National Nut Day, and Wombat Day. You do know that wombats have square poop, right? There are photos and the recently discovered explanation in the video below. SCIENCE found the answer!

 

Readers are welcome to mark notable events, births, or deaths on this day by consulting the October 22 Wikipedia page.

Da Nooz:

*The Washington Post reports that, as we all know, that the Presidential election appears to be a dead heat.

With two weeks of campaigning left before the 2024 election, Vice PresidentKamala Harris and former president Donald Trump are running nearly evenly across the seven battleground states among a critical portion of the electorate whose votes likely will determine who becomes the next president.

Washington Post-Schar School poll of more than 5,000 registered voters, conducted in the first half of October, finds 47 percent who say they will definitely or probably support Harris while 47 percent say they will definitely or probably support Trump. Among likely voters, 49 percent support Harris and 48 percent back Trump.

Trump’s support is little changed from the 48 percent he received in aspring survey of six key states using the same methodology, but Harris’s standing is six percentage points higher than the 41-percent support registered for President Joe Biden, who was then a candidate.

Here’s a figure from the Post showing the popular vote in key states. It’s a squeaker!

In addition to swing-state voters overall, the Post-Schar School survey focuses on a sizable group of registered voters who have not been firmly committed to any candidate and whose voting record leaves open whether they will cast ballots this fall. With another part of the electorate locked down for a candidate for many months, this group of “Deciders” could make the difference in an election where the battleground states could be won or lost by the narrowest of margins.

The new results show changes among this group of voters compared with the first survey conducted last spring. About three-quarters of battleground-state voters say they will definitely vote for Harris or Trump (74 percent). That’s up from 58 percent who were committed to Biden or Trump this spring. The percentage who are uncommitted has dropped from 42 percent to 26 percent over the past five months. Among likely voters, the latest poll finds that a smaller 21 percent say they are not fully committed to Harris or Trump.

. . . Trump is strongest in Arizona, where he holds an edge of six percentage points among registered voters. That shrinks to three points among likely voters. His four-point edge in North Carolina among registered voters ticks down to three points among likely voters. That echoes aPost poll conducted last month but contrasts witha Quinnipiac poll suggesting Harris may have a slight edge. Those advantages are within the margin of error.

And here are the likely voters in swing states:

It’s enough to give somebody a stomach ache, and I know plenty of people who are sweating blood. I’m trying to exercise some Sam-Harrisian mindfulness and let the moment happen.

*From the WSJ: “Israel killed Sinwar by forcing him from the tunnels.” And so they did. An excerpt:

The Wall Street Journal found that even before the Oct. 7 attacks, Israel considered killing Sinwar, who was seen as a national-security threat, according to people involved in the plans. Israel at turns failed to find the right moment or pulled their operations when officials disagreed on the mission, the people said.

After Hamas militants killed 1,200 people and kidnapped around 250 others in October last year, there was no longer disagreement.

 So began one of Israel’s biggest military and intelligence operations, led by Israel’s internal security agency, Shin Bet, and carried out by the Israeli military with help from U.S. intelligence agencies.

Sinwar for months blunted the technological and intelligence-gathering prowess of Israel and its allies. He used rudimentary, untraceable communications and trusted only people closest to him. Sinwar also commanded miles and miles of subterranean tunnels.

Arab negotiators offered Sinwar an escape in exchange for allowing Egypt to negotiate for the release of the hostages on behalf of Hamas, but he declined. Sinwar clung to the hope that the conflict he ignited might draw in Iran and its proxy in Lebanon, Hezbollah, setting off a regional war against Israel—a possibility that remains.

. . . In the months that followed, Israel’s military closed in on Hamas’s underground labyrinth, destroying strategic tunnel complexes. The Journal found that the tactic forced Sinwar to surface. With ever-fewer places to hide, he spent more time above ground, in the Tel al-Sultan area of Rafah in southern Gaza, according to Israeli officials and Arab mediators communicating with Hamas.

Israel didn’t know Sinwar’s exact location but it deployed forces to hunt him there. On Oct. 16, Israel’s strategy to flush Sinwar out of the tunnels led to his killing, enabled by the skills of war and aided by chance.

This account is based on interviews with Israeli, U.S., Hamas and Arab officials, as well as documents and footage the Israeli military found in Gaza, books written by Sinwar and his communications over a year with Arab mediators and Hamas officials.

. . . Israel’s continued disruption of Hamas’s tunnel network forced Sinwar to go above ground, according to Israeli and Arab officials, making him more vulnerable to a stroke of bad luck.

According to the long article, Sinwar was convinced he didn’t have long to live, and so prepared

*Bret Stephens and Gail Collins have their weekly discussion in the NYT op-eds, and “Kamala Harris has an unexpected ally“—it happens to be Stephens, a conservative. Here’s part of their conversation.

Bret Stephens: Please don’t tell me you’re going to ask how I’m going to vote.

Gail Collins: Well, Bret, why would you imagine such a thing? Just because I keep getting stopped by people on the street, demanding to know whether you’re going to support Kamala Harris. I am not making this up.

Come on. Give us a hint.

Bret: You really want to know?

Gail: Um, yeah.

Bret: Kicking and screaming, I’ll cast my ballot for Harris.

I really would rather have just sat out Election Day. But Jan. 6 and election denialism are unforgivable. And as my friend Richard North Patterson likes to say, “Donald Trump is literally bleeping crazy.” And what crazy brings in its wake is JD Vance, whom I find worse than Trump, because he’s just as cynical but twice as bright. And what it also brings in its wake is Tucker Carlson and the Hitler defenders he likes to platform.

Gail: OK, gonna take a little time to run up to the roof and toot a horn. Be right back.

Bret: Well …

Gail: Hear that, don’t-like-anyone people? Really, if Bret can bring himself to vote for Kamala, you can.

Bret: It’s a 99.999 percent vote against Trump and a 0.001 percent vote for Harris.

Gail: And to bolster the argument, how about a short list of the things that bother you most about your new choice for president of the United States?

Bret: If the G.O.P. had nominated Nikki Haley, Ron DeSantis or Doug Burgum, I’d be voting Republican. Probably even Tim Scott: That’s how reluctant I was to vote for her.

I fear that Harris is every bit as vacuous behind the scenes as she seems to be on the public stage. I fear she will be tested early by a foreign adversary and stumble badly, whether it’s in stopping Iran from building a nuclear weapon or China from blockading Taiwan or Russia from seizing a portion of a Baltic country. I fear she will capitulate too easily to her party’s left flank, especially when it comes to identity politics, economic policy or polarizing cultural issues. I fear she’ll have no domestic policy ideas that don’t involve mindlessly expanding the role of government. I fear she’ll surround herself with mediocre advisers, like her embarrassingly bad veep pick. I fear she won’t muster the political will to curb mass migration. And I fear that a failed Harris presidency will do more to turbocharge the far-right in this country than to diminish it.

Gail: That does cover a lot …

Bret: But I won’t fear that she’ll refuse to recognize the result of the next election should she lose it. And I won’t fear that Tim Walz is a cunning stooge who will always do the boss’s bidding no matter how unconstitutional it might be. And I won’t fear learning that an Arnold Palmer is now a reference to something other than lemonade and iced tea and a big golf swing.

Stephens’s views pretty much reflect mine, though I consider myself a liberal while he is a conservative. But the next-to-last statement he makes sums up how I feel about Harris: there are far better choices among Democrats than her, but we aren’t allowed to make them. Every fear Stephens has I share. I have no “joy”. But of course Trump is a bull-goose looney and better a mediocre choice than a complete disaster.

*A UN official, the Special Rapporteur on Violence against Women and Girls, issued a report on damage to women athletes by male athletes identifying as women, and then called for banning biological men from women’s sports.

A new study revealed that trans-identified biological men competing in women’s sports has resulted in the loss of 890 medals by over 600 female athletes across 29 different sports, although experts said the numbers are likely much higher.

The shocking data comes from a recent report published by Reem Alsalem, the UN Special Rapporteur on Violence against Women and Girls, who issued an official recommendation of banning men from competing in women’s sports. The report was presented to the UN General Assembly on Oct. 8, which included a plethora of written and in-person evidence. She advised that there needs to be a protected female-only category to ensure the safety of female athletes and fairness at all levels, as reported by Sex Matters.

Alsalem called on the assembly to ensure that “female categories in organized sport are exclusively accessible to persons whose biological sex is female.” She said that new sporting categories need to be created for athletes who want to compete opposite their birth sex or have the men’s category be made available to all competitors.

The UN official stated that athletes should not be forced to lower testosterone levels in order to compete in any category. She also said that sports bodies should not subject athletes to invasive sex screenings.

“In cases where the sex of an athlete is unknown or uncertain, a dignified, swift, non-invasive and accurate sex screening method (such as a cheek swab) or, where necessary for exceptional reasons, genetic testing should be applied to confirm the athlete’s sex. In non-professional sports spaces, the original birth certificates for verification may be appropriate. In some exceptional circumstances, such tests may need to be followed up by more complex tests,” the report stated.

Alsalem called out the International Olympic Committee (IOC) and said that had it followed this protocol, the 2024 Paris Olympics boxing scandal never would have happened. The IOC determines an athlete’s sporting category based on whatever sex the athlete has listed on its passport. During the Olympics, two competitors in women’s wrestling were believed to be men, though their passports said they wre female and there was no indication that they identified as trans. They were believed by some to have DSD, or differences in sexual development, though they had male XY chromosomes.

Additionally, the report revealed that men competing in women’s sports pose a serious safety threat to female athletes, increasing “violence at all levels.”

Except in sports where there is no average biological difference between men and women in ability (equesterian sports, perhaps, and maybe archery?) it’s simpy unfair to women to make them compete against biological men. I won’t repeat my reasons as I’ve given them many times before. For trans people or the rare intersex individuals, they could have their own category, or they could compete in the men’s category.

*The CBS Show “60 Minutes” released a statement after it was caught editing Kamala Harris’s answer to a question by an interviewer. The online version differed from the original in that Harris’s tendency to ramble and—let’s face it—make no sense was expunged in favor of a more succinct words.  Here’s CBS’s entire statement:

Former President Donald Trump is accusing 60 Minutes of deceitful editing of our Oct. 7 interview with Vice President Kamala Harris. That is false.

60 Minutes gave an excerpt of our interview to Face the Nation that used a longer section of her answer than that on 60 Minutes. Same question. Same answer. But a different portion of the response. When we edit any interview, whether a politician, an athlete, or movie star, we strive to be clear, accurate and on point. The portion of her answer on 60 Minutes was more succinct, which allows time for other subjects in a wide ranging 21-minute-long segment.

Remember, Mr. Trump pulled out of his interview with 60 Minutes and the vice president participated.

Our long-standing invitation to former President Trump remains open. If he would like to discuss the issues facing the nation and the Harris interview, we would be happy to have him on 60 Minutes.

As the Free Press commented in their morning newsletter:

After refusing to engage with anyone asking perfectly reasonable questions about their editing decisions, 60 Minutes now says the portion of her answer on the prime time show was “more succinct, which allows time for other subjects in a wide ranging 21-minute-long segment.” But the more succinct answer was also a far better answer from the vice president’s point of view. (Watch and judge for yourself.) Plus, if time is the real consideration, why not put the unedited version online, where there is no such pressure? Sunlight is always the best disinfectant. That was true the day after the show aired. And it’s true now.

The fact that CBS had to issue this statement shows that they’re still feeling stung by the public outcry. And it’s not just Trump who is accusing them of deceitful editing (I wouldn’t use the word “deceitful,” but it really did violate the rules of journalism.  How much time did they save by the editing? From what I see, about seven seconds. And, as the tweet below shows, they have in fact edited previous interviews, including a 2019 interview Attorney General Bill Barr, a 2020 interview President Trump, and they released the full transcript of a 2024 interview with Fed Chair Jerome Powell.  CBS won’t even release the transcript, and in light of what they say above, that makes no sense. There is no time constraints on reading a transcript!

Meanwhile in Dobrzyn, Hili is becoming more cynical:

What are you studying?
A: The depth of faith in idiocy.
In Polish:
Hili: Co studiujesz?
Ja: Głębię wiary w idiotyzmy.

*******************

From They Walk Among Us:

From Science Humor:

From Jesus of the Day.  There should be a “Dress Like Your Cat Day”!:

From Masih, calling out the evil Supreme Leader of Iran:

Nature highlights a new category of Social Justice crime: “seasonalism” (my name):

Nobody pulls anything over on JKR. And that number, exact as it is, cracks me up. (I envision Rowling, after a day’s writing, sitting down on Twitter with an Old Fashioned and having a grand old time.

Here’s the list of genders from the Torygraph.  These are proposed as officia genders to be recorded in public documents.

Two from my feed. LOOK AT THIS MOOSE!

I presume the cat doesn’t always walk this way:

From the Auschwitz Memorial, one that I posted:

Two tweets from Doctor Cobb. First, a Mexican volcano swallowing the Moon:

. . . and is Penn a Christian now?  Watch to the end:

33 thoughts on “Tuesday: Hili dialogue

    1. Yes it is amusing, but I can’t get past the fact that fossil fuels are not made of dead dinosaurs.

  1. We have a piebald deer in the local 550-acre Mariners Museum park, a wooded urban park surrounding a large fresh water lake and bordering the marine mouth of the James River. The deer herd was established with creation of the park in the 1930’s by importing deer from the Shenandoah Mountains. The creator of the park was a sculptress and artist who found these mountain deer to be more attractive than the indigenous swamp deer. I walk a trail there five days a week and spot this piebald once a month or so. It is really strange to see….almost all white (80-90%).

    1. Below I write about the piebald deer on Orcas Island. I didn’t see your post, else I would have appended my response to yours. The piebald deer are a striking sight!

  2. My question is how much committee time was spent debating the number and identification of the ‘official’ genders?

    1. I don’t know, but that list is a jumbled mess of epistemic and ontological confusion. They don’t even have “male” and “female” on the list! And the rest is somewhere between useless and bonkers. E.g. “detransitioned” – fine, you’ve reverted from being trans, so presumably you’re back where you started, which is where exactly? Or, “Questioning” – okay cool, so once you’ve found the answer to who you are, you go back and change your documents?
      Also, more fundamentally, what IS “gender”? The most steel-manned description that I could come up with something like “behavioral patterns to fulfill biological constraints and social expectations that arise from being male or female”. In other words, from knowing someone’s gender, you should be able to derive probabilistic predictions abould their character, communication habits and behavior. But most of the entries in that list don’t help at all! What does “questioning” tell you? What’s the difference between “agender” and “androgynous”? What are society’s expectations for “genderqueers” and “non-conforming”?

    2. I hate it when they leave out cakegender (gender.fandom.com/wiki/Cakegender): “soft and fluffy…sweet or warm [with] flavors which could change how the gender feels.”

  3. Other than as a means to show their woke bonafides by calling out the “Euro-American-centric approach”, mentioning the Indigenous communities use of cyclical calendars, using “mis-” in the title, and of course using the word “inclusive”, I see no reason that was published by Nature.

    Refuting their points:
    1. “Avoid naming seasons for events.” Using local seasonal names is helpful for naming international events by adding local color and helping to communicate to attendees what to wear.
    2. “Provide specific dates”. Really? Have you ever attended a conference that did not provide specific dates and just said “summer event, please come”. Or seen a study that said, “we measured 2300 migratory birds flying over during a few weeks in the autumn”? Do these people think others are that dumb?
    3. “Respect work-life balance around the globe”. I’ve been on a professional board that schedules seminars; believe me, we always asked what holidays are around the time of our events. The goal is to have maximum attendance, so you always plan around holidays and vacations.
    4. “Adjust global analyses to account for hemispheric differences”. Do the authors really think that any researcher is not doing this?

    This is not worthy of Nature. Maybe the note about hemispheric change is OK for HS science as a reminder, and the need to recognize timing is good for rookie event planners, but if this is all Nature has to fill it’s pages, then I feel bad for it.

    I can’t wait to see how SciAm responds with their take about how mis-seasoning affects each of the 24 genders. 😉

    Thanks for giving me a laugh this morning!

    1. The season thing is crazy. It’s like people are looking for something to complain about and hopefully get their own way.

  4. Dr Coyne: there is a Hofbräuhaus in Las Vegas, and they claim to bake their own pretzels. Last time I was there, the food was pretty authentic, so it’s probably the one of the best places on the continent to satify your yearning for a brezel with senf and a mass bier.

      1. Nein, nein! Das Hofbräuhaus in Las Vegas ist schrecklich. Erstens ist es unerträglich laut. Zweitens ist das Essen am besten mittelmäßig. Die Würstchen sind nicht frisch und die Spätzle schmecken wie Kraft Macaroni und Käse.

    1. Richard:
      We also have a Hofbräuhaus in greater Cincinnati (Newport, Kentucky). The pretzels, along with the other items I’ve sampled, have made for enjoyable visits. The main hall is primarily set up with long, group tables, meaning you may be making new friends while you are there. Here, they have places where the regulars can keep there steins, ready for their next visit(s).

    1. Yes, so let’s vote for the orange dementia patient who didn’t even write his own books.

  5. The piebald moose is interesting, and reminds me of the piebald deer on Orcas Island. They are rare on the mainland but, due to inbreeding, are much more common on the island. The first time I saw one I thought it was a goat! But it was a (fairly) rare piebald deer. These deer sometimes have a few other anomalies along with being piebald, but many are viable and fertile.

    https://deerassociation.com/piebald-deer-how-rare-are-they/

    1. When we first spotted the one in the Mariners Museum (comment #2 above) a couple of years ago, we had no idea what it was and thought it might be a goat also.

    2. Lovely soft focus shot of Hili today.
      I hesitate to comment on anything related to this horrendous election we’re in the midst of, but here I go:
      If Bret Stephens really believes all he said about Harris and still votes for her, I consider his decision reckless. On the 60 minutes editing, if I were running against “Madam Vice President”, I wouldn’t agree to an interview with CBS, either.
      On a less contentious matter, the piebald moose is a trip!

  6. “The online version differed from the original in that Harris’s tendency to ramble and—let’s face it—make no sense was expunged in favor of a more succinct words. “
    “How much time did they save by the editing? From what I see, about seven seconds.”

    I get your point, but 7 seconds doesn’t sound like much of a ramble…

  7. Bret Stephens wrote:

    I fear that Harris is every bit as vacuous behind the scenes as she seems to be on the public stage. I fear she will be tested early by a foreign adversary and stumble badly, whether it’s in stopping Iran from building a nuclear weapon or China from blockading Taiwan or Russia from seizing a portion of a Baltic country. I fear she will capitulate too easily to her party’s left flank, especially when it comes to identity politics, economic policy or polarizing cultural issues. I fear she’ll have no domestic policy ideas that don’t involve mindlessly expanding the role of government. I fear she’ll surround herself with mediocre advisers, like her embarrassingly bad veep pick. I fear she won’t muster the political will to curb mass migration. And I fear that a failed Harris presidency will do more to turbocharge the far-right in this country than to diminish it.

    Add to that, I fear that Harris will not hesitate to throw Israel under the bus, and you have exactly why I will be voting for Trump.

    1. I find it incredible that emotional dislike of Trump will override logical analysis of all of the negative points about Harris.
      “Sure, electing Harris could lead to the end of Israel, let men further invade women’s sports and showers, let little boys be castrated even when medical evidence doesn’t back it, will lead to Iran from building nuclear weapons, will let China invade Taiwan and Russia invade the Baltic states, will impose government limits on free speech, will cause further divide in this country, will allow further illegal immigration that strains our resources, plus she plagiarized a lot, can’t string together a coherent sentence, and staged a coup to secure the nomination without a vote, plus copied her opponent’s economic policies, but that guy with the orange hair made a joke about being a dictator for a day and didn’t like the result of the last election, so I’m voting for her!”

      I know, I know, there’s a more to Trump’s negatives, and everyone is free to choose to vote based on whatever criteria they choose, so I’m not judging anyone. I do find Stephens’s logic indefensible – if you truly believe that Harris will be that bad in terms of actual policy but vote on emotion, that’s dumb, in my opinion (ok, maybe I’m judging him).

  8. Sports (most assuredly including the Olympics) should require sex testing. Buccal swabs (cheek swabs) are 99.99+% accurate. They are also fast, cheap, and non-invasive. However, 99.99+% is not 100.00%. Three exceptions come immediately to mind. CAIS persons have 46-XY chromosomes and high (male normal) Testosterone levels. However, they are not ‘male’. There bodies don’t respond to the Testosterone that their (internal) testis produce. In my opinion, they belong in women’s sports. They look entirely female (very female) and they think like women. However, they are not really women either. They never menstruate and never have children.

    Swyer’s syndrome is another quite rare exception. These persons have 46-XY chromosomes. They typically have fallopian tubes and uteruses. With medical help they can even have children. They lack ovaries. In my opinion, they belong in women’s sports.

    Mosaic persons are perhaps the hardest case. In these very rare cases, some cells are 46-XY and some are 46-XX. In these exceptional cases, I suggest using ultrasounds for sex determination. Ultrasounds have the advantage of being accurate and non-invasive. However, they are not that fast or cheap.

    Passports should never be used (in my opinion). Passports typically reflect what sex was observed at birth. In some important cases (5-ARD) that is just wrong.

    1. Agree. Buccal swabs for all competitors in women’s events above a certain level, and “for cause” at any level, which the sport governing body can work out. If a buccal swab for direct Y chromosome determination* shows an athlete to be presumptively male (or not definitely female), she can, if she believes she is female, appeal the result and get more definitive testing. World Athletics, which oversees track and field, has its rubric on its website. They are well aware of androgen insensitivity in XY individuals and certifying them to compete as women is straightforward in the more common complete form. If there is partial sensitivity, the athlete is usually DQ’d.

      In past Olympics there was controversy about whether supposedly XX women who had unusually high testosterone levels and full sensitivity with masculinization were being unfairly “policed.” At least one of these individuals was later revealed to be an XY male and the others had modestly elevated T levels (not in the normal male range) seen in polycystic ovary syndrome. (The ovaries don’t secrete T in this condition which is of unknown cause. The changes in the ovaries are the effect of the T, not the cause.). These women were offered clearance to compete if they took birth control hormones, which angered the activists.

      Since sport is played by humans with rules written by humans and enforced by human judges there will be decisions that other humans will disagree with. But that is no different from accepting the umpire’s call that a pitch was a strike or that a pop-up could be handled by an infielder with ordinary effort. Find a rule and stick with it. No one has a human right to compete in a competitive sport. That’s not what sport is.
      ————————
      * The old-fashioned approach was to look for Barr bodies which indicates two X chromosomes. This usually but not totally excludes a Y chromosome. Conceivably a man who knew he was XXY could compete as a woman but he would have to take pains to hide his male genitals from other competitors.

      1. Believe it not, but there are 46-XX males, who should not (in my opinion) compete with other women. In some very rare cases. the SRY gene gets translocated onto an X chromosome. This (quite rare) condition gives rise to 46-XX males. I don’t know enough about medicine/genetics to say how this condition can be detected.

        PCOS is rather common in women and it does result in somewhat elevated Testosterone levels (high for women, low for men). However, PCOS does not result in a person going through male puberty (at least, I don’t think so).

        1. You’re correct. PCOS doesn’t cause male puberty. By “masculinization” I should have clarified to mean just a more masculine distribution of body hair. The argument was that their T levels were high enough that, had they been due to doping, they would have been DQ’d. This doesn’t necessarily hold water. If a woman is taking any amount of pharmaceutical testosterone she is doping, by definition. The way you detect “any amount” of T is by setting the test sensitivity at the upper limit of normal for women. Over that and she is doping, even if it’s not enough to give her a performance advantage. She might have been taking much higher doses during pre-competition training and evaded the drug police while she was “glowing.” Whether this holds for the levels of T seen in PCOS I don’t know. They aren’t cheating, is all I can say, but they may still not be eligible.

          46,XX males are usually discovered, much to their flabbergasted surprise, only when they are found to be infertile. Since not all men ever get the opportunity to try to impregnate a woman or look at their semen under a microscope, many probably go to their graves undiagnosed. The other way would be recreational genetic testing or during a lab exercise at school. When we did buccal swabs on ourselves in med school to test for Barr bodies in the antediluvian days before genomic sequencing, our preceptors warned us that occasionally students turned up with more or fewer X chromosomes than they had every reason to think they had.

          A male athlete who discovered he had a Barr body (or with modern technology, no Y chromosome) could use this information to clean up in women’s events despite being a visibly intact male. But because he would have developed as a typical male all his life he would have to have some opportunity to discover this before he decided to compete as female. (Testing for SRY is not always diagnostic as some individuals don’t have a detectable SRY gene on their paternal X chromosome. It’s complicated.)

          Bringing back sex testing for the Olympics needs to take all these rare conditions into account. Elite competition is highly filtered. What seems rare in the general population may become common enough to produce unfairness as it drips drop by drop through the filter.

          1. “Elite competition is highly filtered”

            Indeed. There are other realms of human endeavor that impose a strong filtering effect. What is very rare in the general population is surprisingly common in these groups.

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