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Hanna Zwaka

@hannazwaka

Group leader at Leibniz Institute for Neuroscience | Feminist | Working with amazing zebrafish |.. still in love with honeybees

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06.01.2025
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Latest posts by Hanna Zwaka @hannazwaka

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Get your sleep on track with our Better Sleep newsletter Don't let daylight saving time mess up your sleep. Sign up for our Better Sleep newsletter and get one week of science-based strategies for healthier and more restful sleep.

Don't let daylight saving time mess up your sleep. Sign up for our Better Sleep newsletter and get one week of science-based strategies for healthier and more restful sleep.

06.03.2026 13:57 πŸ‘ 82 πŸ” 11 πŸ’¬ 5 πŸ“Œ 4
Der Historiker Peter Mario Kreuter steht vor einem großen und stark dekoriertem Grab. Er schaut nach rechts und trÀgt ein orangenes Hemd und eine beige Hose. Auf dem Bild steht in weißer Schrift: "Der WiedergÀnger". Dadrunter in kleiner: "Interview mit einem Vampirforscher". Unten mittig steht das "leibniz"-Logo.

Der Historiker Peter Mario Kreuter steht vor einem großen und stark dekoriertem Grab. Er schaut nach rechts und trÀgt ein orangenes Hemd und eine beige Hose. Auf dem Bild steht in weißer Schrift: "Der WiedergÀnger". Dadrunter in kleiner: "Interview mit einem Vampirforscher". Unten mittig steht das "leibniz"-Logo.

Über Vampirismus kann man heute noch forschen? πŸ§›β€β™€οΈ Ja, kann man. Der Historiker Peter Mario Kreuter sucht am @leibniz-ios.de nach den Wurzeln des Volksglaubens. FΓΌr das #LeibnizMagazin haben wir ihn in Wien besucht. Jetzt reinlesen: www.leibniz-magazin.de/alle-artikel...

05.03.2026 11:12 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Mehrheit lehnt Angriff auf Iran ab Den Angriff der USA und Israels auf Iran bewerten 58 Prozent als nicht gerechtfertigt.

Mehrheit lehnt Angriff auf Iran ab #DeutschlandTrend #Sonntagsfrage #Iran

05.03.2026 17:03 πŸ‘ 33 πŸ” 5 πŸ’¬ 7 πŸ“Œ 0
Professorship in population genetics in the field of evolutionary anthropology and medicine (W2) Faculties & Facilities

Leipzig U and the MPI for Evolutionary Anthropology (MPI-EVA) have an open faculty position (W2) in evolutionary population genetics! This position is tenured and comes with generous core funding. We are eager to welcome a new colleague! Deadline March 11.
www.uni-leipzig.de/en/newsdetai...

05.03.2026 16:38 πŸ‘ 51 πŸ” 83 πŸ’¬ 0 πŸ“Œ 0
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First whole-brain recording of social sound processing in a vertebrate. Surprises start in the hindbrain; thalamus gates conspecific calls; male and female brains diverge downstream. Work by @joerghenninger.bsky.social, @mh123.bsky.social sky.social and team. www.biorxiv.org/content/10.6...

05.03.2026 09:47 πŸ‘ 110 πŸ” 43 πŸ’¬ 6 πŸ“Œ 4
Graphic with scientific image and text: The image features a dark, high-resolution microscopy view of a small organism shown from above, with green and red fluorescent signals highlighting internal structures against a black background. The scientific image is placed at the top and framed by a wide light blue background.

Below the image, bold white sans-serif text appears inside dark magenta rectangular boxes reading, β€œHOW GUT MICROBES INFLUENCE THE HEART.” In the lower right corner is a dark blue β€œMAX DELBRÜCK CENTER” logo.

Graphic with scientific image and text: The image features a dark, high-resolution microscopy view of a small organism shown from above, with green and red fluorescent signals highlighting internal structures against a black background. The scientific image is placed at the top and framed by a wide light blue background. Below the image, bold white sans-serif text appears inside dark magenta rectangular boxes reading, β€œHOW GUT MICROBES INFLUENCE THE HEART.” In the lower right corner is a dark blue β€œMAX DELBRÜCK CENTER” logo.

Some gut bacteria talk to the heart – through the brain.

Researchers at the #mdcBerlin identified a gut–brain–heart pathway in zebrafish. A microbial metabolite (IAA) influenced specific neurons and heart function.

πŸ”— Full story: www.mdc-berlin.de/news/news/gu...

#CardiovascularResearch

04.03.2026 18:00 πŸ‘ 9 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1

No excuses to not apply now!

03.03.2026 18:27 πŸ‘ 1 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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πŸ› οΈπŸ“š Workshops at NeuroDoWo
Join our workshops and learn through hands-on sessions and insightful discussions.

πŸ’» Software Carpentry
πŸ€– AI in Science Communication
πŸ“ Grant Writing
🧠 Critical reasoning and Logic

Don't miss this oportunity and register via the link in our bio until March 10th.

23.02.2026 21:01 πŸ‘ 6 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
UCL – University College London UCL is consistently ranked as one of the top ten universities in the world (QS World University Rankings 2010-2022) and is No.2 in the UK for research power (Research Excellence Framework 2021).

Come join us!

We are looking for a Professor or Associate Professor of Computational Genomics in Health and Disease at University College London.

Details πŸ‘‰ www.ucl.ac.uk/work-at-ucl/...

Post funded by UCL Health Strategy.

02.03.2026 21:55 πŸ‘ 6 πŸ” 7 πŸ’¬ 1 πŸ“Œ 0
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Research Technician Research Technician position available in the Grienberger lab at Brandeis University. We are a new neuroscience group studying the cellular basis of learning and memory in the mammalian brain. This is...

We’re looking for a new Research Tech! Our research tech is heading to graduate school (very exciting!), which means we’re recruiting someone new to join our team. The position involves hands-on neuroscience research in a collaborative environment.
brandeis.wd5.myworkdayjobs.com/Jobs/job/Bra...

02.03.2026 21:56 πŸ‘ 18 πŸ” 21 πŸ’¬ 0 πŸ“Œ 0

Another fintastic program, for those interested!

02.03.2026 17:41 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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After 5 years of developing, a new preprint from the lab - introducing our workflow for comparative insect connectomics, aimed at democratizing connectomics. @erc.europa.eu @lundvision.bsky.social @biologylu.bsky.social Read it here: www.biorxiv.org/content/10.6...

01.03.2026 20:58 πŸ‘ 82 πŸ” 40 πŸ’¬ 2 πŸ“Œ 1
Postdoc position -- Social Learning and Cultural Evolution Postdoc position -- Social Learning and Cultural Evolution posted on March 2, 2026 We are currently seeking a highly motivated individual...

πŸš€ Postdoc Alert! Are you passionate about social learning & cultural evolution? @dominikdeffner.bsky.social & I have a 3-year position with freedom to develop your research and work on cutting-edge multiplayer and immersive experiments. Apply by March 30! hmc-lab.com/SocialLearni... Pls share πŸ™

02.03.2026 10:45 πŸ‘ 59 πŸ” 62 πŸ’¬ 2 πŸ“Œ 3

Did you know the DANIO-ReCODE projects funds 15 PhD studentships on various projects related to all things regeneration! Track their progress by following @daniorecode.bsky.social πŸ§ͺ

02.03.2026 12:08 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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🚨Preprint alert🚨 Mapping of 3D collagen architecture with #tissueclearing, @mesospim.bsky.social #lightsheet #Microscopy, the Schmidt #multiimmersion microscope objective & #deeplearning in healthy tissue & wound healing by Wout Houbart & Thomas Naert & Co! www.biorxiv.org/content/10.6...

28.02.2026 12:53 πŸ‘ 7 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Regeneration powers activate! πŸ”₯🐟

28.02.2026 08:34 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Synchronization of behavioral and cardiac dynamics in larval zebrafish Animals reprioritize behavioral goals in response to internal physiological states. Using larval zebrafish, we investigated whether engagement with a …

New paper out : "Synchronization of behavioral and cardiac dynamics in larval zebrafish"

Here, we report a pretty striking relationship between behavioral state and heart rate in larval zebrafish, and then explore the mechanisms that lead to this coupling

bit.ly/4ciYt3R

09.02.2026 18:03 πŸ‘ 24 πŸ” 7 πŸ’¬ 1 πŸ“Œ 1

Check this out! Latest collaborative work from my and Mark Fishman's labs - led by Roy Harpaz, with help from Pedro Piquet and Yasuko Isoe (@yasukoisoe.bsky.social)

26.02.2026 19:24 πŸ‘ 9 πŸ” 5 πŸ’¬ 0 πŸ“Œ 1
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Entomology technician post in my lab in London (position is for 11 months starting August 2026). The work is about sentience and cognition in a variety of insect species. Thank you for sharing (and applying)! qmul-jobs.tal.net/vx/mobile-0/...

24.02.2026 15:19 πŸ‘ 27 πŸ” 30 πŸ’¬ 0 πŸ“Œ 1
Banner for SCZI 2027. The text says 'Save the date. 12th Strategic Conference of Zebrafish Investigators. Merida, Mexico. January 10-13, 2027. The IZFS logo is in the bottom left corner. On right, a picture of an ornate building in Merida, Mexico.

Banner for SCZI 2027. The text says 'Save the date. 12th Strategic Conference of Zebrafish Investigators. Merida, Mexico. January 10-13, 2027. The IZFS logo is in the bottom left corner. On right, a picture of an ornate building in Merida, Mexico.

Spread the word! "The International Zebrafish Society (@izfs.bsky.social) is thrilled to announce that the 2027 Strategic Conference of Zebrafish Investigators (SCZI) will take place at the Hyatt Regency Merida, in Merida, Mexico, on January 10-13, 2027!" 1/2 πŸ§ͺ

27.02.2026 09:09 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 1

After several years of work, my lab is starting to put out our first papers on learning in a unicellular organism (Stentor coeruleus).

Here we show evidence for a form of associative learning in Stentor:
www.biorxiv.org/content/10.6...

26.02.2026 11:39 πŸ‘ 176 πŸ” 57 πŸ’¬ 5 πŸ“Œ 7
SS13431 Lecturer in Conservation Biology - Jobs at Bath

Come join us!

25.02.2026 16:21 πŸ‘ 1 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Interested in expanding your zebrafish skills or completely new to zebrafish as model system for your research question? Then this course is for YOU!
Deadline for applying is on March 2nd, so get your applications in.

PS: It's a fantastic course - changed my own career!

www.mbl.edu/education/ad...

25.02.2026 19:00 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 2
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Help out the Somerville Fire Department and get a free ice cream cone!! Shovel out the fire hydrant in front of your house, take a picture and then come into Gracie’s (whenever we’re open next) for a free cone.

24.02.2026 03:24 πŸ‘ 312 πŸ” 72 πŸ’¬ 10 πŸ“Œ 7
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Among the amazing keynote speakers at the
@young-pi-neuro26.bsky.social, a Satellite Event of @fens.org in Barcelona, is Noelia Antón Bolaños 🀩. Noelia will tell us about her journey from Spain to Boston, and now to her lab at @umcutrecht.bsky.social. Register!
youngpisymposium2026.com

23.02.2026 17:32 πŸ‘ 4 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Newly discovered dinosaur species was a fish-eater with a huge horn The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger. n.pr/4rygjEV

23.02.2026 04:26 πŸ‘ 454 πŸ” 73 πŸ’¬ 6 πŸ“Œ 17
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Build hands-on skills in optical & electrophysiological methods at the TENSS 2026 course & advance your skills in modern systems #neuroscience
πŸ”— Apply by 1 Mar: https://ibro.org/training-opportunity/perc4_romania/

#IBROinAsiaPacific #IBROinUSCanada #IBROinAfrica #IBROinLatAm #IBROinEurope #training

26.01.2026 12:00 πŸ‘ 8 πŸ” 6 πŸ’¬ 1 πŸ“Œ 1
Assistant Professor - Zebrafish Models of Genetic and Metabolic Pathologies Assistant Professor - Zebrafish Models of Genetic and Metabolic Pathologies

For those on the job market, University of Toronto πŸ‡¨πŸ‡¦ is hiring a tenure-track Assistant Professor in Zebrafish Models of Genetic and Metabolic Pathologies 🐟 Yes, they want #zebrafish!

πŸ”— jobs.utoronto.ca/job/Toronto-...

22.02.2026 14:54 πŸ‘ 27 πŸ” 22 πŸ’¬ 0 πŸ“Œ 0

University of Toronto is hiring:
Assistant Professor of Molecular and Cell Biology

#assistantprofessorposition

22.02.2026 12:36 πŸ‘ 10 πŸ” 25 πŸ’¬ 1 πŸ“Œ 0

You can find the #zebrafish husbandry basics in multiple languages at the ZHA website: www.zhaonline.org/resources/ze...

Are you fluent in a language that’s not listed? Help others like you by volunteering to translate the guidelines. If keen, please reach out to @zebrafishhusbandry.bsky.social 🐟 πŸ§ͺ

21.02.2026 20:36 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0