Pierre Haas
@lepuslapis.bsky.social
📤 391
📥 298
📝 92
Research group leader at
@mpipks.bsky.social
and
@mpi-cbg.de
. Mechanics, mathematics, and more.
pinned post!
We've made it whither the sky is blue (unlike the sky in Dresden). Your daily dose of biological mechanics can be got at
pks.mpg.de/self-organization-of-multicellular-systems
!
about 1 year ago
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By now a group tradition: (excessive) pre-Christmas ingestion of Stollen...
2 days ago
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
28 days ago
The institute Christmas tree is up!
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Welcome,
@madalenamrp.bsky.social
!
add a skeleton here at some point
8 days ago
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reposted by
Pierre Haas
Max Planck Institute for the Physics of Complex Systems
14 days ago
How does an elastic line buckle within a curved surface? The answer, by
@zhaoshh.bsky.social
and
@lepuslapis.bsky.social
@mpipks.bsky.social
@mpi-cbg.de
@csbdresden.bsky.social
, has now been
#published
@physrevlett.bsky.social
:
doi.org/10.1103/63py-ph5s
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Welcome,
@matthiasmuhar.bsky.social
!
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14 days ago
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reposted by
Pierre Haas
Physics of Life Dresden
16 days ago
🚨Job Opportunity for
#Postdocs
! We’re searching for a talented postdoctoral scientist to join our team, and explore meiotic spindle self-organization at the crossroads of biology and physics 🔬👩🔬 🔗 Curious? Apply now:
tud.link/7fmgeg
🗓️ Deadline: January 14, 2026 Please share with your network!
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Now
#published
@physrevlett.bsky.social
: the answer to the question that Euler did not solve three hundred years ago*.
@zhaoshh.bsky.social
doi.org/10.1103/63py-ph5s
* Possible reasons include not having access to Mathematica and predating Riemann (in the non-ecological sense).
add a skeleton here at some point
15 days ago
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reposted by
Pierre Haas
Oxford Mathematics
18 days ago
O little town of Oxford, How still we see thee lie. But above thy deep and dreamless sleep, Complex thoughts go by. Still not convinced? Don't worry, you have all Christmas to 'mull' it over. Closes 12 January. Full details of the role:
www.maths.ox.ac.uk/node/74844
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
29 days ago
One of our founding directors Anthony Hyman
@hymanlab.bsky.social
will become
@embl.org
Director General:
www.mpi-cbg.de/news-outreac...
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A couple of days left to apply for a summer
#internship
in
#biophysics
@mpipks.bsky.social
. A great opportunity to join us over the summer of 2026!
add a skeleton here at some point
about 1 month ago
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reposted by
Pierre Haas
Oxford Mathematics
2 months ago
The freedom to go for it for three years? Our Hooke and Titchmarsh Fellowships in pure and applied mathematics give you the space to follow a research path of your choice, a path that has proved instrumental in the careers of many previous fellows. Details:
www.maths.ox.ac.uk/vacancies
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reposted by
Pierre Haas
Janelia Research Campus
2 months ago
Join the team at Janelia to use
#theory
, computation, and modeling to tackle bold questions in
#biology
. Collaborate across scientific disciplines to drive discovery. Apply by Nov. 3 @ https://janelia.link/theoryfellowprogram
#computationalbiology
#sciencecareers
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
2 months ago
With her research group, “Algebraic Topology and Networks in Biology,” Daniela Egas Santander joins
@mpi-cbg.de
and
@csbdresden.bsky.social
. Welcome, Daniela! 🎉
@math-mpicbg.bsky.social
www.mpi-cbg.de/news-outreac...
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I was (all too briefly) a Hooke Fellow
@oxfordmathematics.bsky.social
: these are fantastic positions, so you should apply!
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2 months ago
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A fantastic opportunity to join
@mpipks.bsky.social
as an independent
#postdoc
fellow - apply now!
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2 months ago
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Apply now to join us for a fully funded
#biophysics
#internship
@mpipks.bsky.social
! What better way to spend your summer?
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2 months ago
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reposted by
Pierre Haas
Max Planck Institute for the Physics of Complex Systems
2 months ago
We welcome
@fbrauns.bsky.social
as a new group leader
@mpipks.bsky.social
and
@mpi-cbg.de
!
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reposted by
Pierre Haas
Max Planck Institute for the Physics of Complex Systems
2 months ago
A new call for the ELBE Visiting faculty program is now open! No matter if you are junior or senior faculty, if you work on math/physics/computer science/ML applied to life sciences, you are welcome to submit an application to come and collaborate with the groups at CSBD! Deadline is November 30th.
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
3 months ago
The
@cmcb-tud.bsky.social
,
@poldresden.bsky.social
,
@mpi-cbg.de
, and the scientific community of Dresden would like to express the deepest sympathies to the family, friends, and colleagues of Jochen Guck.
www.mpi-cbg.de/news-outreac...
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After three intense fun days of
#CellPhysics2025
@uni-saarland.de
, it was time to walk up a steep hill.
3 months ago
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Now
#published
as a Letter
@physreve.bsky.social
: "Geometry of T1 transitions in epithelia"
doi.org/10.1103/kdnb-bxdx
My first single-author paper deploys a silly amount of Olympiad geometry on a fundamental biophysics problem, summarised in the attached thread!
@mpipks.bsky.social
@mpi-cbg.de
add a skeleton here at some point
3 months ago
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I have very fond memories of fascinating (albeit intimidating)
#devbio
discussions with John Gurdon
@magdalenecollege.bsky.social
High Table. He'll be missed!
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3 months ago
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#CellPhysics2025
@uni-saarland.de
: looking forward to talking about "Mechanics of Lumina" (*) in the "Cell Collectives" session this morning. (*) Note the use of the correct plural of "lumen".
3 months ago
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On my way to give a seminar
@emergencediep.bsky.social
, Amsterdam. Looking forward to the visit!
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3 months ago
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#proudPI
moment: my first
#PhD
student, Maryam Setoudeh, has just submitted her thesis
@tudresden.bsky.social
.
3 months ago
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Congratulations, Agnes
@tothpetroczylab.bsky.social
!
add a skeleton here at some point
3 months ago
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Apply now for
#PhD
positions
@mpi-cbg.de
and in the
#biophysics
division
@mpipks.bsky.social
!
add a skeleton here at some point
3 months ago
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Rainy day
@mpi-cbg.de
.
3 months ago
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reposted by
Pierre Haas
Max Planck Institute for the Physics of Complex Systems
3 months ago
IG Nobel Prize in
#Physics
2025 to
@mpipks.bsky.social
researchers for elucidating the phase behaviour of cacio e pepe sauce. The work highlights how physics can also be applied to solve daily-life problems!
nature.com/articles/d41586-025-03045-0
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Tipsy bats and perfect pasta: Ig Nobels celebrate ‘improbable’ research
The annual awards are a celebration of weird but thought-provoking science.
https://nature.com/articles/d41586-025-03045-0
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
3 months ago
Peer pressure shapes the gut: latest publication in
@pnas.org
by
@lepuslapis.bsky.social
,
@zhaoshh.bsky.social
from
@mpipks.bsky.social
@mpi-cbg.de
@csbdresden.bsky.social
with colleagues from
@flatironinstitute.org
and Princeton University.
www.mpi-cbg.de/news-outreac...
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Peer pressure shapes the gut
International research team develops mechanical model to explain the shaping of the fruit fly hindgut by forces from neighbouring tissues
https://www.mpi-cbg.de/news-outreach/news-media/article/peer-pressure-shapes-the-gut
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Now
#published
@pnas.org
: "A model for boundary-driven tissue morphogenesis", a great
#biophysics
#devbio
collaboration led by @danielalber.bsky.social
@zhaoshh.bsky.social
:
doi.org/10.1073/pnas.2505160122
@mpipks.bsky.social
@mpi-cbg.de
@csbdresden.bsky.social
@flatironinstitute.org
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3 months ago
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reposted by
Pierre Haas
Daniel Alber
3 months ago
A ring of cells deforms into a triangular keyhole in just 15 minutes. Meet the hindgut, a model for boundary-driven morphogenesis! Out now in
@pnas.org
at
doi.org/10.1073/pnas...
with
@zhaoshh.bsky.social
, Alex Jacinto, Eric Wieschaus, Stas Shvartsman,
@lepuslapis.bsky.social
(1/8)
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reposted by
Pierre Haas
Max Planck Institute for the Physics of Complex Systems
3 months ago
Bacteria are surrounded by water! New work
@natphys.nature.com
by
@ricardalert.bsky.social
@mpipks.bsky.social
& collaborators @ Princeton University shows that water capillary forces organise bacterial colonies into gas, nematic streams, and droplet states.
nature.com/articles/s41567-025-02965-y
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reposted by
Pierre Haas
Max-Planck-Gesellschaft
3 months ago
Early-career researchers: want to run your own lab? 🌟Max Planck Research Groups offer 6+ years, up to €2.7M in funding, open-topic freedom, team support & tenure-track opportunities. Intrigued? 😃Apply by Oct 14, 2025!
www.mpg.de/max-planck-r...
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Amazing opportunities to start your own research group!
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4 months ago
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reposted by
Pierre Haas
Janelia Research Campus
4 months ago
Become a Theory Fellow at Janelia. 🔍 Use computation & theory to tackle biological problems. 🖥️ Leverage state-of-the-art computational infrastructure 🤝 Collaborate across scientific disciplines Apply by Nov. 3 @
https://janelia.link/theoryfellowprogram
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Another
#preprint
: "Elasticity and plasticity of epithelial gap closure", from the
#PhD
work of Maryam Setoudeh:
arxiv.org/abs/2509.05110
This one required a lot of (I think) beautiful
#mechanics
!
@mpipks.bsky.social
@mpi-cbg.de
@csbdresden.bsky.social
4 months ago
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reposted by
Pierre Haas
Markus Mukenhirn
4 months ago
New preprint on MDCK cysts and lumen mechanics.
#EpithelialMechanics
Check out
@lepuslapis.bsky.social
fantastic Skythread:
bsky.app/profile/lepu...
add a skeleton here at some point
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
4 months ago
Congratulations to Kai Simons, one of our founding directors, for receiving the Cothenius-Medal of the German National Academy of Sciences Leopoldina
@leopoldina.org
for his insights into the function of cell membranes. 🎉
www.mpi-cbg.de/news-outreac...
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New
#preprint
: "Control of lumen morphology by lateral and basal cell surfaces", a great
#biophysics
collaboration with Chandraniva Guha Ray,
@markusmukenhirn.bsky.social
, Alf Honigmann
@biotec-tud.bsky.social
@poldresden.bsky.social
.
arxiv.org/abs/2509.04316
@mpipks.bsky.social
@mpi-cbg.de
4 months ago
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reposted by
Pierre Haas
4 months ago
The moral of the story is that building the
#bridge
between
#evolution
&
#morphogenesis
is hard. I still think it needs a concerted push, because, to paraphrase the classic: "Everything in biology, even the
#CF
, starts making sense in the light of evolution." I add, it is
#stuff_that_matters
(12/12)
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reposted by
Pierre Haas
4 months ago
We are all super happy and proud to see our work on the function and evolution of the
#cephalic
#furrow
published in
@nature.com
. Let me say a few things about the background and history of this work on the
#Evolution_of_Morphogenesis
(1/12)
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reposted by
Pierre Haas
Georgy Scholten
4 months ago
New preprint: We study Lotka-Volterra ecological dynamics through computational algebraic geometry. By encoding feasibility & stability on the real Grassmannian, we prove certain ecological networks are mathematically impossible 🧮🌿
arxiv.org/abs/2509.00165
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reposted by
Pierre Haas
Max Planck Institute of Molecular Cell Biology and Genetics
4 months ago
Dresden researchers
@paveltomancak.bsky.social
@bruvellu.bsky.social
, Carl Modes,
@cuencam15.bsky.social
& colleagues published in
@nature.com
that a tissue fold in fruit fly embryos buffers mechanical stresses & may have evolved in response to mechanical forces.
www.mpi-cbg.de/news-outreac...
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Mechanical forces drive evolutionary change
A small tissue fold present in fruit fly embryos buffers mechanical stresses and may have evolved in response to mechanical forces.
https://www.mpi-cbg.de/news-outreach/news-media/article/mechanical-forces-drive-evolutionary-change
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New
#preprint
: "Strata of Ecological Coexistence via Grassmannians" with Türkü Özlüm Çelik, Georgy Scholten, Kexin Wang, Giulio Zucal - a great, first collaboration with
#mathematics
@csbdresden.bsky.social
@math-mpicbg.bsky.social
:
arxiv.org/abs/2509.00165
@mpi-cbg.de
@mpipks.bsky.social
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Strata of Ecological Coexistence via Grassmannians
We study the Lotka--Volterra system from the perspective of computational algebraic geometry, focusing on equilibria that are both feasible and stable. These conditions stratifies the parameter space ...
https://arxiv.org/abs/2509.00165
4 months ago
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reposted by
Pierre Haas
Alain Goriely
4 months ago
When we talk about mathematicians, we often try to show what they looked like. Here is a short list of famous mathematicians/scientists with no known portrait (AFAIK): Pythagoras (c. 570–495 BCE) Zeno of Elea (c. 490–430 BCE) Al-Khwarizmi (c. 780–850) Nicole Oresme (c. 1320–1382) 1/2
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reposted by
Pierre Haas
Rita Mateus
4 months ago
We have a fully funded 3y postdoc position open!!!! Come join us
@mpi-cbg.de
and
@poldresden.bsky.social
to understand the role of Membranes in Controlling Biogenic Crystallization :) this is part of our
#HFSP
funded project with
@noemijimenezrojo.bsky.social
and
@vmonje.bsky.social
! Applications👇
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On our way to the
@mpi-cbg.de
faculty retreat with
@paveltomancak.bsky.social
@nadlerlab.bsky.social
, Eric, Alex - using the only acceptable means of transport.
4 months ago
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Now (finally)
#published
@natcomms.nature.com
: "A multi-tiered mechanical mechanism shapes the early neural plate"
@mpipks.bsky.social
@mpi-cbg.de
A great collaboration of experiment and theory to explain the tissue flows shaping the
#zebrafish
neural plate!
doi.org/10.1038/s41467-025-61303-1
6 months ago
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reposted by
Pierre Haas
Heather Harrington
6 months ago
We’re looking for a mathematical research and collaboration manager to join our new initiative of mathematics in a biology institute in Dresden, Germany!
@csbdresden.bsky.social
@mpi-cbg.de
@math-mpicbg.bsky.social
Please share widely:
careers.mpi-cbg.de/jobs/5734151...
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Mathematical Research & Collaborations Manager (m/f/d) – Max Planck Institut für Molekulare Zellbiologie und Genetik
We are looking for: Mathematical Research & Collaborations Manager (m/f/d), Full Time, Dresden
https://careers.mpi-cbg.de/jobs/57341518/Mathematical-Research-Collaborations-Manager-m-f-d-/
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