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@chris@mstdn.chrisalemany.ca
2025-11-26 20:24:33

Hey Generous Folks -- I wanted to put a message up for 16 Days of Activism Against Gender-Based Violence. #16DaysAgainstGBV #16Days
Rather than an ask for donations, I want to encourage you to find your local spaces in your own community that help women and people of all genders who are fleeing gender based violence or intimate partner violence.
Maybe *you* can raise a few dollars, volunteer at a local space, or help out in other ways. Maybe you've never done that. It might seem scary! I guarantee you, you'll love it. Whether you raise $50 or $500, or nothing at all, by becoming part of it, you'll make a difference
I'm signing up, as I have for a few years now, for another year at Coldest Night of the Year (#IntimatePartnerViolence #Canada #CanPoli #CdnPoli

@kctipton@mas.to
2025-12-03 07:10:46

How Jeffrey Epstein Got So Rich -- Forbes #Epstein

@arXiv_qbioNC_bot@mastoxiv.page
2025-12-12 08:14:40

Allometric scaling of brain activity explained by avalanche criticality
Tiago S. A. N. Sim\~oes, Jos\'e S. Andrade Jr., Hans J. Herrmann, Stefano Zapperi, Lucilla de Arcangelis
arxiv.org/abs/2512.10834 arxiv.org/pdf/2512.10834 arxiv.org/html/2512.10834
arXiv:2512.10834v1 Announce Type: new
Abstract: Allometric scaling laws, such as Kleiber's law for metabolic rate, highlight how efficiency emerges with size across living systems. The brain, with its characteristic sublinear scaling of activity, has long posed a puzzle: why do larger brains operate with disproportionately lower firing rates? Here we show that this economy of scale is a universal outcome of avalanche dynamics. We derive analytical scaling laws directly from avalanche statistics, establishing that any system governed by critical avalanches must exhibit sublinear activity-size relations. This theoretical prediction is then verified in integrate-and-fire neuronal networks at criticality and in classical self-organized criticality models, demonstrating that the effect is not model-specific but generic. The predicted exponents align with experimental observations across mammal species, bridging dynamical criticality with the allometry of brain metabolism. Our results reveal avalanche criticality as a fundamental mechanism underlying Kleiber-like scaling in the brain.
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