Tyler Black, MD Profile picture
Dec 28, 2021 9 tweets 4 min read Read on X
The wonderful Messier Object M45 (The Seven Sisters, Pleiades). It's famous as the @Subaru_corp logo ("Subaru" is the Japanese name for this cluster!). It is the closest Messier Object to Earth! The bright stars lighten up the gas remanents of their formation.

#astrophotography
[/1]
I've revisited this object after a year of #astrophotography practice, and what a difference a year makes! The left is in Dec 2020 with my DSLR setup, on a tripod outside of Vancouver. The right is with my setup on my balcony in Downtown Vancouver.

[/2]
On top of being able to more of the nebula, we can see a lot more detail within the nebula; the striated gas is just stunning!

[/3]
Pleiades is an amazing object. It's "only" 450 light years away & is visible in most night skies (only the strongest light pollution hides it). It's earliest depiction is in 1600 BCE by the Unetice culture. Galileo was the 1st to see it through a telescope, & he sketched it here.
[/4]
Pleiades has made appearances in Homer's Iliad, the Bible, Sioux oral tradition, and the Qur'an. It's known as the "Makali'l" in Hawaiian, and are part of the Australian Indigenous traditional stories.

[/5]
The nine brightest stars are named after Greek Mythology's Pleione and Atlas and their Seven Daughters: Sterope, Merope, Electra, Maia, Taygeta, Celaeno, and Alcyone. I've labelled the stars here.

[/6]
@NASAHubble captured an amazing photo by zooming into Merope, and just to the top right you can see the light of the star. Underneath it, an amazing nebula lit up by Merope herself.

[/fin]

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More from @tylerblack32

Jul 31
How to fail at parenting
🧵 by a child psychiatrist

There is value to play, learning & development, however there are many ways for kids to do this.

tag
baking
reading

This kid is receiving a message:
"I don't like the you that you are. Let's fix that. Be more like them"

/1
First off, what is "alone"?

Coplan et al separated three kinds of preschool solitude: reticence (hovering, wanting in), solitary-active (solo play near others), solitary-passive (quiet constructive or exploratory play).

/2
They were not associated with each other. And only reticence was associated with anxiety now and later for the child.

The kid reading a book is solitary-passive, and that's a benign form of solitude (not always, but mostly).

/3
Read 21 tweets
Jul 9
A warning about Dr Jessica Taylor, the "Sexy But Psycho" author whose anti-psychiatry content keeps crossing my feed. She has real credentials and a PhD in forensic psychology. What she doesn't have is any clinical qualification.

/1
Her own bio lists her credentials: PhD, BPS Chartered Psychologist, AFBPsS. What it has never listed: "clinical psychologist" / "practitioner psychologist". the HCPC-regulated, legally protected titles required to practice clinically in the UK.

No regulatory body to complain to
Yet her businesses offer "expert witness services," trauma "assessments," "therapies" and a sound bath studio using quartz bowls to "recalibrate the nervous system."

Oof.

No Ouija? Seances?

/3
Read 9 tweets
Jul 2
Since Trump took office:

* Elon net worth is $980B (+$500B)
* Donald Trump's family ~$10B, up about $7B
* Top 15 billionaires: up 33%

And USAID was cut 6 billion, resulting in hundreds of thousands of or the poorest people needlessly dying and suffering.

/1
Since Trump was elected:

* $5-700M on white house renovations
* $132B for the war in Iran
* $930M for the refurbishment of the "gifted Qatari jet"
* $102M for Trump's golf trips every weekend (at his properties, which profit)
* $40M for a military parade

/2
Since Trump was elected:

* $500B in lost IRS revenue
* $135B in benefits obligations and costs due to DOGE retirements

/3
Read 4 tweets
May 13
OK @joannamoncrieff ,lets do this.

POINT BY POINT
🔽🔽

/2 Image
Point 1: "Disease-targeting" is an invented criterion

1a. You demand drugs show "disease-targeting effects" or be presumed harmful. This is never necessary. The actual claim: reliable symptom change across replicated RCTs.

/2
Point 1: "Disease-targeting" is an invented criterion

1b. Cardiology doesn't know the molecular lesion driving most post-MI mortality benefit from beta-blockers. We use them anyway because they work. "No known mechanism, therefore presume harm" would gut most of medicine.

/3
Read 14 tweets
May 5
RFK is no better at psychiatric medications than he is about vaccines.

RFK's "overmedicalization crisis" thread is a master class in using true-ish numbers to imply a false conclusion. Let's go through it. 🧵

/1
The core trick: he treats prescription prevalence as self-evidently bad. But high rates only signal a problem if the meds don't work, are given to people who don't need them, or cause net harm. He establishes none of this. He just gestures at numbers.

/2
The same rhetorical structure would indict insulin prescribing, or asthma inhalers. Prevalence is not pathology. The question is whether treatment matches need — and whether the alternative (untreated illness) is better or worse.

/3
Read 20 tweets
May 4
Disabled people should not live in poverty.

It makes no sense the way we treat our people with disabilities in Canada. Canada has the full apparatus to implement adjusted payments, yet we typically support disabled people WELL under the poverty line.

/1 Image
Canada has an official poverty line: the Market Basket Measure. It's regionally calibrated, methodologically sound, and updated by StatCan.



A single person on BC PWD receives ~$18.4k/year. The Vancouver MBM is ~$29k.

/2www150.statcan.gc.ca/t1/tbl1/en/tv.…
That's not a rounding error. It's a structural choice.

PWD recipients in Vancouver sit at roughly 47% of the poverty line and below the Deep Income Poverty threshold (75% of MBM), which is the level StatCan uses to flag the worst material deprivation in the country.

/3
Read 10 tweets

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