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Joel Boerckel

@jboerckel

Assc Prof @pennmedicine.bsky.social. Co-Director, McKay Orthopaedic Research Labs. Mechanobiology of development & regeneration. Prov. 25:2. πŸ¦› Philadelphia, PA

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Latest posts by Joel Boerckel @jboerckel

5%ile is the new 10%ile and CND is just ND.

07.03.2026 03:36 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

πŸ™ŒπŸ» thanks Kevin!

06.03.2026 20:47 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Green river, winds?

04.03.2026 04:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Congrats George!!

04.03.2026 03:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

In this world, shipmates, sin that pays its way can travel freely, and without a passport; whereas Virtue, if a pauper, is stopped at all frontiers.
-Melville

01.03.2026 18:11 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Insight is *never* greater than the level of inquiry.

I feel second hand embarrassment every time I hear a serious scientist claim an in vitro system/organoid/β€œNAM” can answer a question it was never intended to ask.

01.03.2026 13:47 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Without considering the sources of claims, efforts at epistemic vigilance become play-acting. With LLMs, we don't know the sources.

Excellent thread from @mjcrockett.bsky.social

26.02.2026 14:43 πŸ‘ 75 πŸ” 21 πŸ’¬ 2 πŸ“Œ 0

Science is properly more scrupulous than dogma. Dogma gives a charter to mistake, but the very breath of science is a contest with mistake, and must keep the conscience alive. Alas! the scientific conscience had got into the debasing company of money obligation and selfish respects.
Middlemarch 1872

25.02.2026 15:39 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

if you are writing, and need to decide between making things easier for you or easier for your reader (such as using an acronym or cutting white space to fit in more words), always -always- choose your reader.

this tweet is not about AI, but it also is.

23.02.2026 23:54 πŸ‘ 11 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Let us call her Misty.

Life, regeneration & rebirth - sounds right to me πŸ¦›β€οΈ

#worldhippoday #yaptaz

16.02.2026 02:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

NEW: Another NIH institute director hasn't been renewed β€” the director of NIAMS (arthritis, musculoskeletal and skin diseases institute).

That leaves a whopping 15 of 27 institutes and centers without a permanent director.

12.02.2026 17:16 πŸ‘ 143 πŸ” 99 πŸ’¬ 2 πŸ“Œ 14

Whoa Guillaume, this is cool

12.02.2026 02:38 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

❀️❀️❀️ congrats my friend!

11.02.2026 00:57 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

β€œI think men’s minds are going to be changed in subtle ways because of [AI]; just how, though, I could hardly guess. But you can’t have the immense outward changes that they will cause without some inward ones…and it may be the spiritual alteration will be bad for us.”

08.02.2026 20:23 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

With all their speed forward they may be a step backward in civilizationβ€”that is, in spiritual civilization. It may be that they will not add to the beauty of the world, nor to the life of men’s souls.

- Booth Tarkington, 1918

08.02.2026 20:19 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Yeah, we just write the best paper we can and then see who wants it. It’s our paper not theirs.

08.02.2026 18:04 πŸ‘ 7 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Beautiful! Congrats @efadial.bsky.social et al!

07.02.2026 17:14 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Thrilled to share our new bioRxiv preprint led by Eloise Fadial (@efadial.bsky.social) πŸ₯³πŸŽ‰! Using PRDM16 cKO mice, hiPSC models, scRNA-seq & CUT&RUN, Eloise shows that PRDM16 is a key genetic and epigenetic regulator of knee chondrogenesis and chondrocyte identity.
www.biorxiv.org/content/10.6...

07.02.2026 16:52 πŸ‘ 7 πŸ” 2 πŸ’¬ 2 πŸ“Œ 1

That does sound lovely- my folks are nearby, will have to get the details for next time I’m back home

07.02.2026 02:54 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I have never been able to wait. Maybe I need more scotch

07.02.2026 01:32 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

This sounds like a job for @cpane94.bsky.social, the mouse personal-trainer

05.02.2026 12:39 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Gotta be why it’s the only one in all caps πŸ˜‚

05.02.2026 11:09 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Big Mig shifts the human dot to the right all by himself

05.02.2026 11:08 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Post image

I present the most interesting graph ever made.

HUMAN ON BICYCLE beats every other living thing.
www.scientificamerican.com/article/a-hu...

05.02.2026 05:49 πŸ‘ 227 πŸ” 76 πŸ’¬ 18 πŸ“Œ 5

My brother wasn’t optimistic it could be done, but I didn’t take β€œwasn’t optimistic it could be done” for an answer.

05.02.2026 05:43 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

πŸ˜‚β€οΈπŸ’―

05.02.2026 05:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

β€œgrant paper airplane” is perfection Amy

05.02.2026 02:17 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Congrats Dennis!

31.01.2026 17:46 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1

Our new paper just out!
pubs.acs.org/doi/10.1021/...

31.01.2026 13:53 πŸ‘ 13 πŸ” 9 πŸ’¬ 2 πŸ“Œ 0