Happy to share the Biodiversity Cell Atlas white paper, out today in @nature.com. We look at the possibilities, challenges, and potential impacts of molecularly mapping cells across the tree of life. www.nature.com/articles/s41...

New preprint from some of my postdoc work on lungs! Co-led with Kaleb Hill, we studied smooth muscle and epithelial development in lizard lungs. Stay tuned for more! www.biorxiv.org/content/10.1...

Today's #FluorescenceFriday is featuring the peripheral muscle of Hofstenia miamia 💪

Cells can form patterns within themselves just like embryos do. How? Connie Yan's new preprint shows how the anterior-posterior cytoskeleton pattern in Stentor is dictated by regionalized scaffolding proteins www.biorxiv.org/content/10.1...

Why would anyone want to be a scientist? Check out our new Essay from Martin Schwartz: journals.biologists.com/jcs/article/...

After nearly twenty years in the making, our attempt at understanding what makes the chaetognath phylum so unique has finally been published! www.nature.com/articles/s41... with #LauraPiovani @dariagavr.bsky.social @alexdemendoza.bsky.social @chemamd.bsky.social and others /1

Latest paper elifesciences.org/articles/107... closes an important cycle in our efforts to study regeneration: week-long recordings allow us to observe the behaviour of cells during the entire course of regeneration in a crustacean leg – bright objects in movie are fluorescent nuclei of cells. 1/6

✨Development meets design in this embryonic chameleon lung 🫁 🦎. Smooth muscle swirls 🟣 and branching tips and cartilage 🟢 come together in reptilian lung morphogenesis. Image taken by @drkatiegoodwin.bsky.social 🔬🧪 #FluorescenceFriday #DevBio

Our transgenic acoel embryos are beautifully mosaic 😍 showing off the developing epidermis for #FluorescenceFriday

The GRC on Cell Contact & Adhesion was truly fantastic (and in such a beautiful place!) - thanks to everyone involved for building such a great community.

Reminder: Nobel-prize winning PCR (1983), used in basically all genetic tech today, was only possible because of extremophile bacterium discovered in 1964 in Yellowstone funded by a small ~$80k NSF grant with no obvious application at the time. #science 🧪 www.richmondscientific.com/how-a-discov...

1) Branching morphogenesis is fundamental to animal development, shaping complex organs like lungs, kidneys, and vascular networks. Gills are another highly branched organ. Yet, the developmental processes behind gill formation in zebrafish remain poorly understood. #zebrafish #gills #microscopy

If you need to attend a microscopy or bioimage analysis training course to support your #cellbio research but don't have funding, check out our JCS–FocalPlane Training Grants. 🔬🖥️https://www.biologists.com/grants/jcs-focalplane-training-grants/

I had a fantastic time at the annual @jcchildsfund.bsky.social symposium. It’s always a treat to be surrounded by brilliant and passionate people, and even more so in the midst of so much chaos. Thank you all for the conversations, the community, and (of course) for sharing your amazing science.

This is just so incredibly sad to me. It's not just that people think they are clever for hacking their way through school without work. It's that they don't WANT to learn new things. They don't WANT to improve skills. They don't WANT EDUCATION. nymag.com/intelligence...

So excited to see the new work out from fellow PhD candidate @mayapahima.bsky.social in the @flomarlow.bsky.social lab where they show that PGCs are not restricted to GSC differentiation and contribute to other cell populations of the early gonad and ovary 🦓🐟❤️! www.biorxiv.org/content/10.1...

My first post on Bluesky! Very excited to share our work just published in @science.org. We find that “Interphase cell morphology defines the mode, symmetry, and outcome of mitosis” - in angiogenesis and other tissues! www.science.org/doi/abs/10.1... www.science.org/doi/abs/10.1...

"On a weekly basis more than 90% of people use weather forecasts, job market reports, food safety warnings and other information that is based on federal science. But only 10% ... are concerned that cuts to federal support for science might impact their access to [it]." www.npr.org/2025/05/06/n...

Harvard will no longer receive ANY federal research money, per letter to the school: "Harvard should no longer seek GRANTS from the federal government, since none will be provided. Harvard will cease to be a publicly funded institution, and can instead operate as a privately-funded institution."

Oil form droplets when mixed with alcohol, your monolayers dewet to form spherical aggregates, your friends dancing in a club form a circle, why? I’m @challopeau.bsky.social and I will tell you about the origins and consequences of interfacial tension in tissues.

#FluorescenceFriday the beautiful geometry of the capillaries of the retina👁️ Colors=depth. @cvsuor.bsky.social @urneuroscience.bsky.social @flaumeye.bsky.social @uofrbme.bsky.social @bpodaily.bsky.social @urochester.bsky.social

A dream come true: the first expansion microscopy images of C. flexa 🤩 Generated by Mylan & Uzuki who learned from the best (@hiralshah.bsky.social @gautamdey.bsky.social @dudinlab.bsky.social). We will learn so much from these!

1/14 “Epithelial” & “Mesenchymal” aren’t binary categories—they form a spectrum, or better yet, a multidimensional space. This becomes especially clear in collective cell migration, which often depends on a finely tuned degree of “mesenchymal-ness”. #cellbio #devbio #cellmigration

Per source, NIH has been instructed to hold off from issuing ALL awards to Harvard, Cornell, Columbia, Brown, and Northwestern (including med schools) Agency staff have also been instructed to not speak about this funding freeze to grantees and applicants

Cilia galore! The cytoskeletal dye SiR-tubulin beautifully labels the (very ciliated) epidermis of Hofstenia miamia. #FluorescenceFriday

14 pages of terminated NIH grants--everyone should read through the list. The sweep is VERY broad, including "The Impact of the Herpes Zoster Vaccine on Herpes Zoster Ophthalmicus" & "Mitochondrial-based Determinants of Sex Differences in Acute Kidney Injury"🧪 1/n taggs.hhs.gov/Content/Data...

New cell line = New cell morphologies to explore! This hepatic cell line has fully invested into membrane protrusions! Actin is shown in 🟦 and DNA in 🟧 #FluorescenceFriday #SciArt

One of the reviewers for a paper in my lab (we study acoel worms) asked the authors to replicate their main findings in zebrafish. Why do people think this is an appropriate request to make??

Science under siege: protecting scientific progress in turbulent times journals.biologists.com/dev/article/...

Labeling your axes and then explaining them slowly is perhaps the biggest bang for the buck you can get for making your slides more understandable.

there are so many beautiful images here, I had a hard time voting for just one!

Stoked to present our latest, superbly led by Chris et al & @torres-sanchez.bsky.social We tackled a fundamental problem – how tissues are patterned during development – found that geometry-constrained ECM fractures pattern the myocardium in the vertebrate heart 1/n www.biorxiv.org/content/10.1...

Some beautiful Hofstenia neurons for #FluorescenceFriday!

Six award-winning female scientists highlight women who have inspired them by pushing innovative research and creating opportunities for others https://go.nature.com/43n0J5R