Work

• Spontaneous immortalization of bovine fibroblasts following long-term expansion offers a non-transformed cell source for cultivated beef paper Nature Food · 2025 Pasitka, Cohen, Regenbaum, Ehrlich, Gildor, Gold, Nahmias
• Electro-metabolic coupling in multi-chambered vascularized human cardiac organoids contributor Nature Biomedical Engineering · 2023 Ghosheh, Ehrlich, Ioannidis, Ayyash, Goldfracht, Cohen, Fischer, Mintz, Gepstein, Nahmias
• Mechanism and reversal of drug-induced nephrotoxicity on a chip paper Science Translational Medicine · 2021 Cohen, Ioannidis, Ehrlich, Regenbaum, Cohen, Ayyash, Shafran Tikva, Nahmias
• 402 product 402.app · acquired Bioinformatics pipelines for researchers who don't have time to learn the stack. Curated Nextflow workflows on HPC — free for academic use. Acquired.
• talmud.dev product talmud.dev Talmud study app. The full daf — main text, Rashi, Tosafot — wrapped in context notes anchored to the passage they explain: sugya structure, rabbi biographies, cross-references to cited dapim, and halachic follow-through. Deterministic rules place what they can; a model handles the rest, and human corrections always win.
• tanach.dev product tanach.dev Mikraot gedolot reader. The biblical text laid out with its classical commentaries, plus generated geography, timelines, and narrative overviews for each chapter.
• shabbat product shabbat.shaunregenbaum.com Shabbat hosting tracker — a roster of people, per-meal guest lists (hosting vs invited out), and reciprocity suggestions for who's due for an invite back. Sign in with an emailed link, or drive it by forwarding an email.
• nf-core/rnaseq contributor nf-core · Nextflow · ★ 1.3k RNA-seq analysis pipeline — STAR, RSEM, HISAT2, Salmon with gene/isoform counts and QC.
• nf-core/methylseq contributor nf-core · Nextflow · ★ 190 Bisulfite-sequencing methylation pipeline — Bismark/bwa-meth + MethylDackel or bwa-mem + rastair.
• nf-core/rnavar contributor nf-core · Nextflow · ★ 60 GATK4 RNA variant-calling pipeline.
• hu-glioblastoma research github · Jupyter Robotic generation and kinetic screening of patient-derived glioblastoma organoids. Codebase for an upcoming paper.
• daf-renderer active TalmudLab · JavaScript · ★ 24 DOM render library for laying out Talmud pages (tzurat hadaf) on the web.
• talmud active github · TypeScript · ★ 2 Early GPT-3 experiment with source-referencing over Sefaria — predecessor to TorahGPT.
• chessdeck active github · TypeScript Deck-building chess. Draft an army against a points budget, then spend each turn on exactly one thing — deploy a card, draw, or move. Win by checkmate. Two-player online or against the AI.
• israeli-phone-agent active github · Svelte AI agent demo that handles phone calls in Hebrew.
• OneUSGAutomaticClock archived github · Python · ★ 16 Auto time-tracking script for Georgia Tech students — clocks hours without forgetting to stop.