Crete #neuroscience #Drosophila meeting is on for next summer. Spectacular #science in a wonderful setting.
Thread: our latest #preprint looks at long-term #proteome #evolution phenomena and asks #macroevolutionary #LevelsOfSelection questions https://biorxiv.org/content/10.1101/2022.10.27.514087v1 1/11 (Repeat for new server).
Excited to share that our study on how cell-cell affinity between two cell lineages locally controls cell shapes and globally drives self-organization of an entire tissue is out now in Nature Communications.
Endless sparkle on this Eupholus weevil.
Focus-stacked image using a Canon SLR.
Some #fediverse #mastodon servers popping up more than others (beyond the main, large ones), not surprisingly given my interests:
https://drosophila.social for scientists working with the vinegar fly, #Drosophila, the genetic model organism par excellence.
https://fosstodon.org for FOSS: free open source software developers.
https://mathtodon.xyz for mathematics and physics. Famously @johncarlosbaez is hosted there.
https://scicomm.xyz for scientific communications, public outreach.
https://photog.social/ for photography, "3-5 photo posts per day recommended to avoid overloading the timeline" and no-nonsense.
We get a straight line only when the Sun rises at one point on the horizon, is straight overhead at noon, and sets at the opposite point of the horizon. This would happen every day if you lived at the equator and the Earth's axis wasn't tilted. But in reality this situation is rare.
So, the shadow traced out by a sundial's tip is usually a HYPERBOLA.
You can play around with these hyperbola shadows here, using Geogrebra:
https://www.geogebra.org/m/AHEgBVUd
(5/n, n = 5)
Registration for the drosophila research conference:
https://genetics-gsa.org/drosophila-2023/abstract-submission/
Love the fact that organisations can take ownership of their social media conmunications with a #mastodon server while simultaneously interfacing very conveniently with the rest of the world via the #fediverse. A great model.
Applications are open for the 2023 Wellcome Optical Biology PhD Programme at UCL. Deadline is January 9, 2023 (https://opticalbiology.org/apply).
Can someone induce forgetting of an unpleasant memory without knowing it? YES!! With Zijian Zhu and Yingying Wang, we report a method that induces forgetting without drugs, brain stimulation or awareness #PTSD #forgetting #memory.
@mrccbu https://www.nature.com/articles/s41467-022-34091-1
@WorldImagining @albertcardona
Or is it? We just published this article proposing that fear extinction, at least in mammals, is actually mediated by active forgetting. https://www.nature.com/articles/s41386-021-01131-1
In my course MCB111 "mathematics in biology", we just learned about Hopfield networks and the Hebbian learning. Can anyone give a critical reading of this paper for us?
"Post-embryonic remodeling of the C. elegans motor circuit" by Ben Mulcahy et al. 2022 (Mei Zhen's lab https://zhenlab.com/)
... in which the authors show, using #vEM and #connectomics, that while the nematode #celegans nervous system grows from ~200 neurons in the hatchling to ~300 in the adult, the addition of new neurons doesn't disrupt existing motor function, but new circuits are formed that endow the animal with new behaviors such as bending.
Interestingly, in the course of larval maturation one neuron type inverts its polarity: what was the dendrite becomes the axon, and viceversa. And this is accomplished not with retraction and regrowth of the arbor, but rather, by flipping the synapses in situ.
And now Michael Eisen @mbeisen enters the chat.
Another one is The B Lane Swimmer (HT @KaraLMarshall@twitter.com): https://holly.witteman.ca/the-b-lane-swimmer/
Hi all #introduction
I’m a graduate student at max planck institute for biological cybernetics Tübingen working at the intersection of behavior, systems and computational neuroscience. Our model organism of interest is zebrafish. For now I am here to connect/ interact with people from #neuroscience and #ml ..
C++ Core Guidelines: "guidelines for using C++ well" (Bjarne Stroustrup)
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines
#introduction post! My name is Sonia Roberts (she/her) and I'm a postdoc at Northeastern University developing knitted sensors that could be used to make soft, fully knitted robots. My PhD work was on legged robots running around in the desert -- and if you've ever gone on a beach run, you know why that's hard. I have also done some science and technology policy work. I like to learn about what's going on in other fields so I try to follow a lot of academics in different areas!
How does the brain work? Someday, we'll figure it out.
Group Leader, MRC LMB, and Professor, University of Cambridge, UK.
#neuroscience #Drosophila #TrakEM2 #FijiSc #CATMAID #connectomics #vEM
Born at 335 ppm.
Brains, signal processing, software and entomology: there will be bugs.