katja heuer

The Crossness Pumping Station in London

The Crossness Pumping Station in London, built in 1865, is a Victorian sewage facility famous for its ornate ironwork, cathedral-like interior, and role in revolutionizing urban sanitation infrastructure worldwide history.

I resisted the growing hype for ten days before clicking, but now, I must share. It is so ... joyful. #musicfornerds #anginedepoutine youtu.be/0Ssi-9wS1so

The Landgericht Halle (Regional Court) in Halle (Saale), Germany

The Landgericht Halle (Regional Court) in Halle (Saale), Germany

GitHub - corsa-center/oss-documents: Collecting guidance, documents, examples, templates for open-source software project, such as on governance, roadmaps, contributing, license, code of conduct Collecting guidance, documents, examples, templates for open-source software project, such as on governance, roadmaps, contributing, license, code of conduct - corsa-center/oss-documents

Reminder: there's a GitHub page, started by the CORSA project, that collects guidance, documents, examples, templates for open-source software projects, such as on governance, roadmaps, contributing, licenses, codes of conduct. Please suggest PRs or issues to update it.

github.com/corsa-center...

Bluesky Map Interactive map of 3.4 million Bluesky users, visualised by their follower pattern.

I made a map of 3.4 million Bluesky users - see if you can find yourself!

bluesky-map.theo.io

I've seen some similar projects, but IMO this seems to better capture some of the fine-grained detail

A Neanderthal time capsule from Grotta Guattari Excavations of a new chamber reveal an ancient floor with more than a dozen new Neanderthal fossil remains.

New excavations at the Grotta Guattari, just south of Rome, have yielded beautiful new Neanderthal fossils. They may add a lot to our knowledge of how Neanderthals maintained their populations as they fled the advance of the ice sheets.

www.johnhawks.net/p/a-neandert...

Not something you see in textbooks very often: tripolar mitosis.

Global Access to PNAS Research. PNAS provides free access to journal content for researchers in over 120 lower-income countries, promoting inclusivity and advancing global scientific discovery.

PNAS is committed to reducing barriers to science by providing free, immediate access to journal content and waiving publication fees in over 120 lower-income countries, supporting global access to research. Learn more: https://ow.ly/BSpa50YaoXV

Deadline in 3 days (Thursday 5th) to apply for a PhD with me and @ktsetsos.bsky.social at Trinity College Dublin in Cognitive Computational Neuroscience / neuro-AI. Please share!

The weirdophile can no longer resist the uncontrollable urge to share his love for DEVO, so let’s <Whip it> ! 👉 youtu.be/bDVuQyzDECs
#MusicForNerds #BoojiBoy 👇

Westfield Hamburg-Überseequartier

Westfield Hamburg-Überseequartier

Westfield Hamburg-Überseequartier

Westfield Hamburg-Überseequartier

Westfield Hamburg-Überseequartier features a 5,800 m² metal and glass roof designed by Werner Sobek as part of the ongoing HafenCity development in Hamburg.

We're about to get started! Join us www.crowdcast.io/c/comparativ...

see you later for this talk!

Excited for the upcoming TIBBE online talks &discussions with the amazing @stanley-heinze.bsky.social around
How can we increase our comparative dataset and make it more transferable between disciplines?
Next Wednesday, January 28, 3pm UTC, 4pm Paris 🧠🐜🪰🪳🦟🪲🐝 Join us www.crowdcast.io/c/comparativ...

The oral surface of Asterias rubens is covered with hundreds of tube feet. CREDIT: Amandine Deridoux

Sea stars control their movement speed and adapt to different loads and orientations by dynamically adjusting how long their tube feet stick to surfaces, demonstrating sophisticated locomotion without a central brain. In PNAS: https://ow.ly/lYwr50Y4uUe

Come and join us to learn about insect brains with @stanley-heinze.bsky.social

Come to the TIBBE seminar next Wednesday, where we will learn about the insect brain database!

Excited for the upcoming TIBBE online talks &discussions with the amazing @stanley-heinze.bsky.social around
How can we increase our comparative dataset and make it more transferable between disciplines?
Next Wednesday, January 28, 3pm UTC, 4pm Paris 🧠🐜🪰🪳🦟🪲🐝 Join us www.crowdcast.io/c/comparativ...

The floor of Florence Cathedral

The floor of Florence Cathedral

Dresden, Germany

Dresden, Germany

The world feels rough right now

So please enjoy this shrimp, filmed off Cozumel, Mexico. It may be a larval reef shrimp, but we don’t know what species or how long it lives or what it eats. The world is still full of wonder and beauty and mystery.

🎥 @pedrovalenciam scuba diver on Insta

Long-range axon branching: contributions to brain network plasticity and repair Nature Reviews Neuroscience - Connectome reconstructions across multiple species reveal that the morphology of axonal projections is highly variable, even between neurons of the same location or...

Recent review about long-range axons rdcu.be/eXeDG

A pinhole camera photo taken from Summer to Winter Solstice. It's a bit blurry as the aperture was made with a tiny needle and no focus mechanism. There are yellow to green lines across the photo, that's the Sun moving across the sky over the course of a day. The top line is from the Summer Solstice, the bottom line from the Winter Solstice. Cloudy days don't have any lines or broken lines as the Sun was obscured by clouds. There are some trees on the left, right and in the background.

A pinhole camera photo, a 6 month exposure from Summer to Winter solstice. There are trees on the right side and background. A house with two cars in the drive are visible almost in the center of the photo. The lines are made from the Sun moving across the sky with the bottom line being the Winter Solstice and the top line the Summer solstice. On cloudy days the lines are broken or not visible as the sun was obscured by clouds. The lines show some reflections from a tree trunk. The lines are mostly a white color with some hints of blue, green and yellow in places. Some of the colors could be from rain or snow staining the paper I was using.

A solargram/pinhold camera photo taken from the Winter Solstice of 2024 (21 Dec) to Summer Solstice of 2025 (20 June). It's a 6 month long exposure taken with a beer can pinhole camera, it shows the sun's movement across the sky during that time period, each day the Sun scribes a line on the paper in the pinhole camera. The bottom line is Dec 21 2024 and the top line is 20 June 2025. This kind of photo makes the movement of the Sun during the day into visible trails on the paper in the camera. There is a long orange-yellow arc going across the paper showing the whole 6 months. There is a shadow of my tree on the image, the tree blossomed during the exposure. Shades of blue and pink are on the paper too. There is a black kind of semi circle at the top of the image, that's where the water was disintegrating the top part of the paper.

Happy Winter Solstice!

Beer can, pinhole camera photos of the Summer to Winter Solstice (2024) and the Winter to Summer Solstice (2025).

You never know quite what you're going to get with these photos, set the beer can pointing towards the sun at hopefully the correct angle and wait 6 months!

Come to be our colleague! Center of Paris, excellent facilities, research spanning the whole range of basic and biomedical life science topics, enthusiastic and collaborative colleagues, crème brûlée every Friday... What else could one want?

Exciting new #Zebrafish research from the #WeinsteinLab, led by Jong Park!
“Specialized gas-exchange endothelium of the zebrafish gill” —

www.biorxiv.org/content/10.6...

Amazing to see red blood cells moving through the gills! Don’t forget to check out the supplemental movies ;-)

The missing heritability question is now (mostly) answered Not with a bang but with a whimper

I wrote a little bit about the "missing heritability" question and several recent studies that have brought it to a close. A short 🧵

PhyloWeaver – Interactive phylogenetic tree editor Edit and visualize phylogenetic trees directly in your browser. PhyloWeaver lets you interactively rearrange tree topologies and export high-quality figures for publications and presentations.

I’ve released a tool to sketch and edit phylogenetic trees!
yawak.jp/PhyloWeaver/

Load a Newick file and intuitively add/remove/resize branches.
Useful for quick conceptual trees, extracting subtrees, or turning ideas into Newick.

Hi, I’m David Brückner @davidbrueckner.bsky.social.

I’ll take you through how cells in a tissue can use information distributed by biochemical gradients to make decisions, and how we can measure such positional information.

buff.ly/RFxVeHh

Sarah holds up an eel facts advent calendar in front of blooming flowers on her sidewalk. It says eel facts an advent calendar. It has 24 boxes with orange and yellow zigzags and yellow circles in the middle with numbers one through 24 in the middle of the boxes there are six eels depicted on this calendar, one green Moray, two splendid garden eels, one blue and yellow ribbon eel, and one American eel and one European.

This year we have sold 31% of the advent calendars that we sold last year 😓

The art is so pretty and colorful 🥺
The facts are so good 🥺
Eels are so cool 🥺

Get an eel facts advent calendar at EelFacts.net

"Spherical cows and bipedal goats: perspectives on mathematical models in biology". 13 and 14/11/2025 (Salle Jaurès, ENS-PSL, rue d'Ulm, Paris). More info about the event: montevil.org/talks/2025--...