@shaevitz

Physics professor; Instagram @shaevitz

 Princeton, NJ
phy.princeton.edu/people/joshua-shaevitz
Joined January 2008
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10 flies. 60 legs. Zero hand-labeled training poses. 🪰 SIESTA turns plain-English descriptions of fly body parts into AI labels, then trains SLEAP to follow the action. Our new preprint is out. Give your clicking finger a break! doi.org/10.64898/2026.09.30.…
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Applications for the CPBF postdoc fellowship are open. Come join us at Princeton!
CPBF@phybiofunc19 Aug 2025
puwebp.princeton.edu/AcadHir…
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Joshua Shaevitz retweeted
CPBF@phybiofunc19 Aug 2025
puwebp.princeton.edu/AcadHir…
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Check out our new preprint on bacterial motility and chemotaxis towards plants in a transparent soil!
bioRxiv Biophysics@biorxiv_biophys12 Sep 2025
Soil texture regulates bacterial motility and chemotactic recruitment to plant roots biorxiv.org/content/10.1101/… #biorxiv_biophys

Soil texture regulates bacterial motility and chemotactic recruitment to plant roots

Soil microbial communities regulate critical ecological processes, including nutrient cycling, carbon sequestration, and plant growth. However, due to the opacity and structural complexity of soil,...

biorxiv.org
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This was a fun piece to write. Thanks to the Aspen Center for Physics for inviting me.
Aspen Daily News@AspenDailyNews4 Aug 2025
In Opinion | On Physics: Nature’s symphony needs no conductor aspendailynews.com/opinion/o…

On Physics: Nature's symphony needs no conductor

Aspen's Fourth of July celebrations this year included a shimmering ballet of hundreds of drones lighting up the night sky in a "Symphony of Freedom." Programme...

aspendailynews.com
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In Opinion | On Physics: Nature’s symphony needs no conductor aspendailynews.com/opinion/o…

On Physics: Nature's symphony needs no conductor

Aspen's Fourth of July celebrations this year included a shimmering ballet of hundreds of drones lighting up the night sky in a "Symphony of Freedom." Programme...

aspendailynews.com
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Check out our new paper which describes large scale 3D simulations of M xanthus colonies. We recapitulate many features from experiments and learn some new things as well! biorxiv.org/content/10.1101/…

3D Agent-based modeling without chemical signaling recreates collective behaviors seen in Myxococ...

Myxococcus xanthus is a soil-dwelling bacterium that lives in dense populations of millions of cells and displays an array of collective behaviors and macroscopic patterns in response to environmen...

biorxiv.org
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So happy to see this out. What a great collaboration!
The Zia Lab
@TheZiaLab6 Mar 2025
Paper now out in PNAS! Our colloidal whole-cell simulations + in vivo 3D particle tracking reveal how macromolecular interactions and confinement determine dynamics/localization in E. coli. Congrats @AlpSunol & @dsvalverdem!  pnas.org/doi/10.1073/pnas.24…
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The Princeton Brass Band is off to the National Championships again, but we need your help! Running a world-class band, from music and instruments to rehearsal space and free concerts to our education and outreach, is not cheap. Please consider donating! raise.snap.app/donate/prince…

Princeton Brass Band | Snap! Mobile

Support Princeton Brass Band and help us raise $10000

raise.snap.app
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Excited to see this fantastic study in print. The Physics of Zebrafish fighting in gory detail. In time for Halloween. journals.aps.org/prxlife/abs… @greg_stephens

Dynamics of Dominance in Interacting Zebrafish

Advanced analysis of 3D fish trajectories reveals key behavioral patterns---rapid maneuvers and subtle orientation shifts---in male zebrafish contests that predict winner-loser dynamics, with losers...

journals.aps.org
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Interested in helping us making big things happen here at Princeton? The Office of the Dean for Research is looking to hire at a senior level in research development. This is a great opportunity to work with fantastic faculty to drive important projects! main-princeton.icims.com/job…
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Joshua Shaevitz retweeted
Moffitt Laboratory@MoffittLab2 Jul 2024
So excited to announce our new method for multiplexed RNA imaging in bacterial cells: bacterial-MERFISH! A huge congratulations to the team of @AriSarfatis, Yuanyou Wang, and Nana Twumasi-Ankrah! Check out the following thread or our bioRxiv (biorxiv.org/content/10.1101/…) 1/12
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Come join the PRX Life team!
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Joshua Shaevitz retweeted
Courtney Ellison@C__Ellison11 Jun 2024
Excited to share my lab’s first preprint! We found that increasing DNA binding by type IV pili in an Acinetobacter pathogen can boost its natural transformation rates by ~100-fold, demonstrating that DNA binding is rate-limiting for natural transformation. biorxiv.org/content/10.1101/…

DNA binding is rate-limiting for natural transformation

Bacteria take up environmental DNA using dynamic appendages called type IV pili (T4P) to elicit horizontal gene transfer in a process called natural transformation. Natural transformation is widesp...

biorxiv.org
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How do bacteria grow and move in large groups where cells appear adhered to each other but can move freely? Using capillary forces from thin layers of water! Check out our new preprint with Matt Black, Chenyi Fei, @RicardAlert and Ned Wingreen: biorxiv.org/content/10.1101/…
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I’m excited to be joining PRX Life, which has the potential to be an outstanding journal in the field of biological physics. Experimentalists (!) and theorists alike, send us your most exciting work. I look forward to working with you through the review process.
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🎉 new preprint posted of potential interest, lead by talented masters student @AChRD4: 🔥fully unsupervised 3D cell segmentation that is as good (or better) than leading supervised methods, with @napari_imaging integration! 👏 biorxiv.org/content/10.1101/… ➕new 3D GT dataset ⬇️🧵
M- Lab of Adaptive Intelligence @EPFL@MLabofAI4 Apr 2024
Have you tried #CellSeg3D yet for automating your 3D lightsheet microscopy analysis? We just hit >75K pip installations! 🥳 We have some 🔥 coming soon ... but in the meantime, github.com/AdaptiveMotorCont… lead by @AChRD4 @Neuro_X_EPFL
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Want to run your own session at the 2025 APS March Meeting? Help build the DBIO program by (i) leading an existing session or (ii) submitting a proposal for a new session (see links below, due 5/16). Postdocs & early-career researchers: this is a great way to get involved!
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Check out our newest preprint: P. aeruginosa uses pilus-mediated motility to invade and disperse S. aureus biofilms, rendering Sa cells susceptible to Pa antimicrobials. Without invasion Pa restricts Sa expansion forming dense Sa colonies with altered physiology @asanchezpena_
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