Emma Hilton Profile picture
Nov 29, 2020 57 tweets 8 min read Read on X
Here is my transcript. Actual details may vary.

#FeministAcademicsTalkBack

On modern day creationism. A thread.
"In the 1920s, in concert with many other American states, the Tennessee House of Representatives passed the Butler Act, making it illegal for state public schools to: “teach any theory that denies the Story of the Divine Creation of man as taught in the Bible.”
In other words, this law banned schools from teaching the theory of evolution.
Three months later, Tennessee science teacher John Scopes was on trial, charged with teaching the theory of evolution, a crime he was ultimately found guilty of. He was fined $100 – about $1500 in today’s money.
Yet, despite the evidence against him and his own confession, he was an innocent man. Scopes was not guilty of teaching the theory of evolution. He admitted to a crime he had not committed. He even coached his students in their testimonies against him.
So why would he admit to this wrongdoing of which he was entirely innocent? Why would he contrive apparent guilt?

In protest.

In protest against a law he viewed as fundamentally incompatible with the pursuit of scientific truth.
The history of creationism and education laws in the US is turbulent and often opaquely legalese, especially for those of us unfamiliar with US law. Some of the methods of the wider creationist movement, however, will be immediately recognisable.
...as they are employed by a new movement, one which seeks to erase another scientific truth, the fact of sex.
Method 1. The framing of human classifications, whether it’s species or sex, as “arbitrary”. This leads to the premise that such phenomena are “social constructs” that need not exist if we chose to reject them. That truth must be relative and consensual.
Never mind that these “arbitrary” classifications appear to be surprisingly similar classifications across all cultures and civilisations.
It also necessarily spotlights tricky cases – not really a personal problem for the long-dead evolutionary missing links, but a very real problem in the modern world for people whose sex is atypical.
..and who are constantly invoked, even fetishized, as “not males” or “not females” to prove sex classification is somehow no more than human whimsy. People with DSDs have complex and often traumatic medical histories, perhaps struggling to understand their bodies...
...and they deserve more respect than to be casually and thoughtlessly used as a postemodernist “gotcha” by the very people so horribly triggered by a pronoun.
Method 2. The distortion of science and sciencey language to create a veneer of academic rigour. Creationists invented “irreducible complexity” and “specified complexity” while Sex Denialists beat people with “bimodal distributions arranged in n-dimensional space”.
Creationists, unable to publish in mainstream science journals because they weren’t producing, well, science, established their own journals.

“Journals”.
Sex Denialists have captured existing journals - albeit limited to more news-y ones and to occasional editorials and blogs about gender (which is not sex)...
...that developmental biology is soooo complicated (which does not mean sex is complicated – the internal combustion engine is complicated, but cars still fundamentally go forwards or backwards)....
...that discussing the biology of sex is "mean" (good luck with that at your doctor’s surgery).
Many such blogs and articles are written by scientists who simultaneously deny sex to their social media audience while writing academic papers about how female fruitflies make shells for their eggs (no matter how queer they are).
They write about the development of ovaries or testes in fish and about how males make sperm.

In academic papers. Not in your tweets.
The current editor-in-chief at Nature, the first female to hold this position, studied sex determination in worms for her PhD. @Magda_Skipper
She now presides over a journal with an editorial policy to insert disclaimers about the binary nature of sex into spotlight features about research on, for example, different death rates in male and female cystic fibrosis patients.
The authors of the studies are not prevaricating or handwaving about sex, but the editorial team is “bending the knee”.
I used to research a genetic disorder that was male-lethal – that is, male human babies died early in gestation.

I’d love to know if this disclaimer would be applied there.
Method 3. Debate strategies like The Gish Gallop. This method is named for Duane Gish, who is a prominent creationist.
What this boils down to is: throw any old argument, regardless of its validity, in quick succession at your opponent and then claim any dismissal or missed response or even hesitation in response as a score for your side.
In Twitter parlance, we know this as “sealioning”, in political propaganda as the “firehose of falsehood”, although Wikipedia also suggests that it is covered by the term “bullshit”.
"What about intersex people? this article? an XY person with a uterus? the fa’afafine? that article? pretty picture. what about what about whataboutery what about...

Clownfish?"

The aim is not to discuss or debate, it is to force submission from frustration or exhaustion.
Method 4. The reification of humans as separate from not just monkeys but the rest of the living world. The special pleading for special descriptions that frame humans as the chosen ones.
...such that the same process of making new individuals, common to humans and asparagus - an observation I chose because it seems superficially silly (it could have been spinach) – requires its own description, one that accounts for gender identity.
In the Scopes trial, which saw discussion of whether Eve was actually created from Adam’s rib and ruminations on where Cain got his wife, Scopes was defended by a legal group who had begun scouting for a test case subject as soon as the Tennessee ban was enacted.
This legal group advocated for:

“Freedom of speech for ideas from the most extreme left such as anarchists and socialists, to the most extreme right including the Ku Klux Klan, Henry Ford, and others who would now be considered more toward the Fascist end of the spectrum."
The legal group so keen to defend the right to speak the truth, in this case a fundamental, observable scientific truth?

The American Civil Liberties Union

A group whose modern day social media presence promotes nonsense like:
“The notion of biological sex was developed for the exclusive purpose of being weaponized against people.”
“Sex and gender are different words for the same thing [that is] a set of politically and socially contingent notions of embodied and expressed identity.”
The ACLU have fought against many US laws preventing the teaching of evolution.

I cannot process the irony of a group historically and consistently prepared to robustly defend the truth of evolution while denying one of the most important biological foundations of evolution.
How do we fight this current craze of sex denialism?

A major blow for creationism teaching was delivered in 1986 while the US Supreme Court were considering a Louisiana state law requiring creationism to be taught alongside evolution.
The Louisiana law was struck down, in part influenced by the expert opinions of scientists who put aside their individual and “often violent” differences on Theory X and Experiment Y, to present a unified defence of scientific truth over religious belief.
76 Nobel laureates, 17 state academies of science and a handful of scientific organisations all got behind this single cause, and made a very real change.
Support for creationism has slowly ebbed away and the US is in a much more sensible position these days, although I still meet the occasional student from a Southern state who didn’t learn about evolution until college.
Sadly, one of the Nobel laureates has highlighted how unusual this collective response was and that he could not imagine any other issue that would receive the same groundswell of community support.
Although he forged his career listening out for the Big Bang, so maybe I need to go through the list and find the biologists.
Part of the problem petitioning biologists to speak out is not necessarily fear of being cancelled or whatever, but simple lack of awareness of the issue, or incredulity that it is being taken remotely seriously.
I’ve been bemoaning efforts to find a citation for the statement, “there are two sexes, male and female”. A colleague laughed that this would require a citation, to check textbooks, then realised that this statement is so simple that it would not even be included in a textbook.
And he’s right.

I can find chapters in textbooks and hundreds of academic papers dedicated to how males and females are made, how they develop, how they differ, yet very few that feel the need to preface any of this with the statement, “there are two sexes, male and female”
It is apparently something that biologists do not think needs to be said.
But of course, I think they are wrong, and that we live in a time where it does need to be said, where some aspects of society are being restructured around a scientific untruth, and where females will suffer.
Without recognition of, and language to describe, our anatomy (and the mostly uninvited experiences that stem from that anatomy), we can neither detect nor measure things like rates of violence against women, the medical and social experiences of women and girls.
And, as for creationism, the reality of sex perhaps needs to be said by those with scientific authority, in unambiguous terms.
Otherwise, we are living in a society that tolerates nonsense like there is no such thing as male or female, that differences evident to our own eyes are not real...
...that anatomies readily observable and existing in monkey and man alike do not actually exist.

I’m sure this last assertion has the full support of the creationist community.
And perhaps, as for creationism, a true tipping point will be tested when it is our children being taught these scientific untruths, or worse, when it is illegal to say different.
At the end of his trial, the only words Scopes uttered in court were these:
“Your honor, I feel that I have been convicted of violating an unjust statute. I will continue [..] to oppose this law in any way I can.

Any other action would be in violation of my ideal of academic freedom—that is, to teach the truth as guaranteed in our constitution [..]"
I do not exaggerate when I say we are dealing with a new type of religion, a new form of creationism, and a new assault on scientific truth. I also do not exaggerate when I say it may take a high profile court case to rebalance the public discourse around sex.
Two predictions: 1. It will not be defended by the ACLU, and 2. With recent proposals on hate speech, it will probably involve a Scottish John Scopes, who finds themself in front of a judge for the seditious crime of discussing the sex life of asparagus at their dinner table.
This tweet should be in the past tense. Gish died in 2013.

Eugenie Scott (NCSE) describes the GG: "where the creationist is allowed to run on for 45 minutes or an hour, spewing forth torrents of error that the evolutionist hasn't a prayer of refuting in the format of a debate".

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More from @FondOfBeetles

Apr 4
This is the menstrual cycle.

Trans-identified males do not have one. Image
This is the uterus, from which we bleed.

Trans-identified males do not have one. Image
During a period, prostaglandins trigger uterine contractions, causing cramps.

Trans-identified males do not have them. Image
Read 8 tweets
Mar 27
People with 5ARD are male, not female

In defence of Semenya et al, many argue:
1. athletes with 5ARD are female;
2. features associated with 5ARD are normal female variation;
3. these athletes should be included in female sports.

The first claim is incoherent.Image
To understand 5ARD, let's look at healthy reproductive development.

Both male and female development are well-understood. Image
Male development
1. Y chromosome carrying functional SRY that directs testes development
2. testes produce hormones, notably testosterone (T)
3. T first drives male internal genitalia development
4. T>DHT conversion drives male external genital development
Read 20 tweets
Mar 26
“Sex screening in athletes is racist!”

Why? Really struggling with this.

In our recent paper (cited by World Athletics @sebcoe) calling for the reintroduction of sex screening in the female category, we make it very clear that this type of screening must be:

1. Cohort-wide | performed in all athletes wishing to enter the female category, regardless of skin colour, religion, nationality etc.

2. Early | to protect privacy and dignity, and avoid athletes being front-page news.

With these parameters in mind, the sex screen itself cannot be considered “racist”.

onlinelibrary.wiley.com/doi/epdf/10.11…
Citing historic ethical issues won’t wash. We all acknowledge these. Early, cohort-wide screening will avoid the failures of the past.

So the cry of “racism” must be aimed elsewhere, presumably anchored on the premise that previous targeted screening (which is precisely what I and others advocate against) brought multiple black athletes and very few white athletes to our front pages.
Now, let’s grant that and think about what that means.

The charge against me and others is that we are “policing sex” in a way that excludes black women (when measured against “white femininity”).

My friends, I am here to tell you that I - an adult human female with white skin - am precisely the same quality and amount of female as any adult human female with black skin.

Black women aren’t female by some weird voodoo. They are women in precisely the same way as white women are women.

In fact, it starts to look a bit racist on your part to suggest that black women aren’t women in the same way as white women are women.

Ironic, huh?
Read 8 tweets
Mar 25
In sport, we are interested in the effects of male or female development on the body, not the booty.

The category boundary between males and females is male-pattern androgenisation - having testes that make testosterone (T) and a functional T response.Image
Disorders of sex development (DSDs) affect reproductive development, and sometimes challenge legal and social sex classification.

5ARD, for example, means a male baby doesn't make the hormone required for penis development. The baby may be misclassified as female at birth. Image
But there is no evidence that having 5ARD means you don't go through normal male "rest-of-body" development, and this gives performance advantages in sport. Image
Read 4 tweets
Jan 26
On “we all start as females” (by request).

At the level of anatomy, “female” describes a particular reproductive system - eggs in ovaries, oviducts, uterus, cervix, vagina and vulva.
This reproductive system begins to differentiate at around six weeks post-fertilisation, when the embryonic gonads - two balls of cells clumped in your pelvic area - turn into ovaries and not testes.
The ongoing development of internal and external genitalia follows this gonadal differentiation into ovaries.

This is what is meant by “organisation” - the coordinated, sequential development of multiple tissues that have evolved around a given reproductive function.
Read 19 tweets
Dec 25, 2024
I ran a fairly straightforward analysis of track and field performances across junior ages in different track and field competitions.

The raw analysis looks like this for international records. Above the line is male advantage, below the line is female advantage.

This pattern its repeated across national and state-level competitions. You can see that for almost all events at all ages, boys hold advantage over girls.Image
Image
Where female advantage is detected, this is easily explained.

At 10 years old, girls grow ahead of boys, and catch up/overtake them briefly in running.

The female advantage in discus at 15-16 years old is because girls throw lighter implements.

The distance drop off as boys move to the 2 kg discus is obvious.Image
But actually, while these data are good for getting a handle on the magnitude of advantage, I came up with a slightly different question to ask of them.

With help from @johnarmstrong5, I came up with a null hypothesis: if there is no difference between boys and girls pre-puberty, the frequency of boys and girls "winning" should be around 50/50.

So I collapsed the performances as wins or losses. See below for international records, scored as wins for the boys above the line and wins for the girls below the line.Image
Image
Read 5 tweets

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