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ManyBabies

@manybabies.org
1.8K followers 534 following 93 posts

A global consortium of developmental researchers. Join us! manybabies.org [posts by ExecDirector @hbaum.bsky.social]

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Lauren J. Myers @proflaurenmyers.bsky.social · 29/09/2026
I’ll be presenting next week @btscon.bsky.social on integrating undergraduate students into big team science projects in an advanced course. Come check out my presentation on Tuesday 10/6 at 2pm Eastern!
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ManyBabies @manybabies.org · 29/09/2026
ManyBabies folks will be interested in many of the sessions at this year’s BTSCON, including a panel about what we’ve learned from the first 10 years of MB. Check out the program and register now! All fees are optional, but MB gets a share of the proceeds ☺️ bigteamscienceconference.github.io
bigteamscienceconference.github.io
Big Team Science Conference
The goal of the Big Team Science Conference is to bring together a multidisciplinary group of researchers, funders, and stakeholders to discuss advancements, challenges, and future opportunities relat...
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
The result forces us to re-think rule-learning: is early rule-learning a robust, universal ability, or context-dependent? It also shows the value of large, pre-registered, blinded, team-science replication for knowing what our field actually stands on. 6/
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
Robust finding across different factors: no moderation by age, by mono-/multilingualism, or by method. No leftover heterogeneity between labs. Robust to our pre-processing & analysis choices. 30 of 31 samples showed no rule-learning effect. 5/
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
The result: no difference in looking to consistent vs inconsistent patterns. No evidence of rule learning. And a Bayesian analysis gives strong evidence for the null (BF₀₁ ≈ 30) — this is a positive finding of “no effect,” not merely a failure to detect one. 4/
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
ManyBabies 3 is a large, cross-linguistic conceptual replication: 650 analysed infants, ages 5–12 months, 33 primary languages, mono- & multilingual, across 3 paradigms (headturn, central fixation, eye-tracking). Stimuli phonologically balanced across languages. 3/
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
The original (@garymarcus.bsky.social 1999): infants hear “ga ti ti” (ABB) or “ga ti ga” (ABA), then generalise the pattern to brand-new syllables. It’s been cited 1900+ times as evidence infants learn algebraic, grammar-like rules — a cornerstone of infant cognition. 2/
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
New paper 🍼📄 ManyBabies 3 is out (open access, registered report in Developmental Science). 30 labs, 33 languages, 839 infants set out to replicate a textbook finding: 7-month-olds learn abstract rules from speech (@garymarcus.bsky.social et al., 1999). We didn’t find it. 🧵
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
This was a fantastic team effort across 30+ labs 🌍 Paper (open access), data & code all public. > 📄 doi.org/10.1111/desc... > 💻 github.com/manybabies/m... > #ManyBabies #InfantCognition #OpenScience #DevSci, lead team: Andreea Geambaşu, Melanie Soderstrom, and Claartje Levelt
doi.org
ManyBabies 3: A Multi‐Lab Study of Infant Algebraic Rule Learning
The ability to learn and apply rules lies at the heart of cognition. In a seminal study, Marcus et al. (1999) reported that 7-month-old infants learned abstract rules over syllable sequences and were...
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ReproducibiliTea @reproducibilitea.org · 07/08/2026
📢 Quick Reminder: Register for ReproducibiliTea 2026! The ReproducibiliTea Conference 2026 is approaching fast! Don't miss out on connecting with the global community to dive into this year's theme: "Spilling the ReproducibiliTea: A decade on & decades ahead."
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ManyBabies @manybabies.org · 07/08/2026
ManyBeds 🥰🤗🛏️🛏️🛏️🥱😴
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Big Team Science Conference @btscon.bsky.social · 24/07/2026
REGISTER NOW to get access to dozens of sessions related to Big Team Science, including talks from the leaders of the SCORE project (@cos.io) and CREP (www.crep-psych.org) and a live recording of the "Research as it Happens" podcast hosted by @rolfzwaan.eurosky.social! ALL FEES ARE OPTIONAL!
bigteamscienceconference.github.io
registration
>>> Register for the 2026 BTSCON now! *** ### BTSCON Registration Info To balance inclusivity with our funding needs, *registration fees for the Big Team Science Conference are optional*. You can pay ...
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Big Team Science Conference @btscon.bsky.social · 24/07/2026
Submit an abstract for a talk, symposium, hackathon, panel, or unconference on anything related to Big Team or Open Science. Get those submissions in by August 1! Guidelines and submission link can be found here: bigteamscienceconference.github.io/submissions/
bigteamscienceconference.github.io
submissions
>>> Submit your abstract here! Deadline: July 24, 2026 August 1, 2026 * *Panels, hackathons, unconferences, and symposia:* maximum 500 words * *Talks and lightning talks:* maximum 250 words *** Sessio...
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Big Team Science Conference @btscon.bsky.social · 24/07/2026
The 2026 Big Team Science Conference #BTSCON2026 will be held October 6-8, live (and recorded) on Zoom. Submissions and registration are OPEN NOW! bigteamscienceconference.github.io
bigteamscienceconference.github.io
Big Team Science Conference
The goal of the Big Team Science Conference is to bring together a multidisciplinary group of researchers, funders, and stakeholders to discuss advancements, challenges, and future opportunities relat...
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ManyBabies @manybabies.org · 09/07/2026
#ICIS2026 @mzettersten.bsky.social taking about the MB5-Meta project, a systematic meta-analytical review of infant looking time preferences for novel vs. familiar visual stimuli. 💥 👀 🍎 Learn more here: manybabies.org/MB5-Meta/
Martin in front of an MB5-Meta acknowledgements slide featuring Anjie Cao, Katie Von Holzen, and Meghan TestermanMartin in front of a slide projected on a screen. The text reads: 
Meta-Analysis questions:
1. What is the overall distribution of effect sizes? Does it reflect robust evidence of both familiarity and novelty preferences? 
2. How does the effect size of looking preference change across age? 
3. Are effect sizes moderated by familiarization time?
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ManyBabies @manybabies.org · 09/07/2026
#ICIS2026 Raji Madhavan presenting MB-AtHome: Looking-While-Listening (MBAH1-LWL) 👶🏠 👏🥰 Join an info session next week to learn more! Info at: manybabies.org/MBAH1/
Raji Madhavan in front of a title slide reading: Investigating familiar word recognition in infants across ages and languages: The ManyBabies-AtHome Looking-While-Listening project
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Mike Frank @mcxfrank.bsky.social · 09/07/2026
Biggest experimental study of Africa infant cognition! I’m very proud that we were able to get this project finished, despite COVID restrictions starting a month after our kickoff.
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ManyBabies @manybabies.org · 09/07/2026
🚨 Publication alert! Exploring Variation in Infants' Preference for Infant-directed Speech: Evidence From a Multi-Site Study in Africa Congrats to the entire MB1-Africa team! manybabies.org/MB1A/ doi.org/10.1111/desc...
doi.org
Exploring Variation in Infants' Preference for Infant‐directed Speech: Evidence From a Multi‐Site Study in Africa
Infants show a preference for infant-directed speech (IDS) over adult-directed speech (ADS). This preference has been linked to infants' language processing and word learning in experimental setting...
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Natalie Brito @nataliebrito.bsky.social · 07/07/2026
@mzettersten.bsky.social with data from @manybabies.org presents on knowledge vs. ignorance-based violation of expectation in toddlers and adults
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ManyBabies @manybabies.org · 07/07/2026
#ICIS2026 @mzettersten.bsky.social presenting about MB2P (Theory of Mind pupillometry) in the Early Career Symposium! 👏👏👏
Martin (in a blue Oxford shirt and khaki pants) at a dais, in front of a screen displaying mb2 collaborators, presenting at the ICIS 2026 conference in Panama City, Panama.
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ManyBabies @manybabies.org · 10/06/2026
New ManyBabies publication! Over 10+ years and 5,000+ babies tested, we've learned a ton about how to study the developing mind. In this comment, we discuss three such lessons that are shaping the future of ManyBabies. We'd love to hear your thoughts!
doi.org
What 5000 babies can tell us about developing minds and how to study them - Communications Psychology
A decade of ManyBabies research, testing thousands of babies across hundreds of labs, has shown that some, but not all findings in infant research replicate well. Collectively, these projects have sho...
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Christina Bergmann @chbergma.bsky.social · 07/06/2026
Big Team Science projects like @manybabies.org @themanybirds.bsky.social etc. are brilliant for more reasons that this short piece can cover, including their openness to researchers from all contexts and backgrounds - you don't even need to have access to the target population! #OpenScience
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CONNECT partnership @connect-btss.bsky.social · 04/06/2026
New article in Nature about Big Team Science with lots of quotes from CONNECT members! @manybabies.org @themanybirds.bsky.social @manydogsproject.bsky.social @cos.io
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Brian Nosek @briannosek.bsky.social · 04/06/2026
Collective action is the most gratifying part of the reform movement. Grassroots groups like the many Many Manys are the most wonderful manifestation of it. Driven by curiosity and purpose, researchers come together to solve big problems with creative collaborations. That's why I science.
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Elise Cutts @elisecutts.bsky.social · 04/06/2026
ManyBabies ManyBirds ManyDogs It sounds like scientists are assembling an army of cuteness.
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Mike Frank @mcxfrank.bsky.social · 04/06/2026
@manybabies.org in Nature! www.nature.com/articles/d41...
nature.com
Can an army of babies and dogs rescue psychology from its reproducibility crisis?
Labs are teaming up to run a host of huge projects that aim to bring rigour to cognitive science.
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Christina Bergmann @chbergma.bsky.social · 01/04/2026
I'll only join virtually and miss out on beautiful Leiden, but if you're at @ehbea2026.bsky.social do join our symposium on Thursday afternoon and chat about big data and big team science. Looking forward to it and to representing @manybabies.org
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Christina Bergmann @chbergma.bsky.social · 05/03/2026
The paper is available open access on Open Mind: doi.org/10.1162/opmi...
doi.org
Evidence for Infant-directed Speech Preference Is Consistent Across Large-scale, Multi-site Replication and Meta-analysis
Abstract. There is substantial evidence that infants prefer infant-directed speech (IDS) to adult-directed speech (ADS). The strongest evidence for this claim has come from two large-scale investigati...
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Lukas Röseler @aufdroeseler.bsky.social · 05/03/2026
Big Team Science projects like ManyBabies work best if many people contribute, you can get involved here: manybabies.org/get_involved/ or reach out to @hbaum.bsky.social
manybabies.org
Get Involved!
General Contact Info Contact info: Governing Board, Executive Director (more info available here) General MB Listserv: Subscribe General MB Slack: Join workspace *** In addition to collecting data, th...
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Lukas Röseler @aufdroeseler.bsky.social · 05/03/2026
Then they compared their results to a traditional meta-analysis and MetaLab's community-augmented meta-analysis (langcog.github.io/metalab/), finding that the replications had much more homogeneous effect sizes and different moderators. (sorry, all of these slides are really exciting)
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Lukas Röseler @aufdroeseler.bsky.social · 05/03/2026
For example, for ManyBabies 1 ("Do babies prefer infant-directed speech vs. adult-directed speech?"), they tested >2K babies with 149 authors from 16 countries. The hypothesis could be confirmed - but there was also a methods effect and lots of variability through age and language.
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Lukas Röseler @aufdroeseler.bsky.social · 05/03/2026
@chbergma.bsky.social is now discussing replications versus meta-analyses in the context of infant studies. For example, at @manybabies.org, researchers are teaming up to promote open science and replications.
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Global Research Initiative on Open Science (GRIOS) @grios-openscience.bsky.social · 19/11/2025
⏰The deadline for applications to GRIOS's Academic Advisory Board is just one week away! Interested in joining a community of meta-research specialists, aiming to influence the #research agenda on #OpenScience and helping with #EvidenceBased policies? 🟢 Apply by 26 Nov: www.grios.org/academic-adv...
Academic Advisory Board of the Global Research Initiative on Open Science 
Call for Applications
Application deadline: 26 November 2025
www.grios.org
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CONNECT partnership @connect-btss.bsky.social · 14/11/2025
🗓️ Upcoming event: "Navigating Career Development in Open and Big Team Science" November 24, 3-4pm UTC manymanys.github.io/2025-11-13-p...
manymanys.github.io
Panel Discussion: Navigating Career Development in Open and Big Team Science: Challenges and Opportunities
We are happy to announce our upcoming panel discussion: Navigating Career Development in Open and Big Team Science: Challenges and Opportunities Date & time: November 24, 10–11 a.m. (ET) Speakers:...
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CONNECT partnership @connect-btss.bsky.social · 11/11/2025
We're so excited to announce that our first official CONNECT preprint is now available: "A network of networks: The next frontier for Big Team Science" 🔗 doi.org/10.31234/osf... Please read, share, and give us feedback! ✉️ connect-contact[at]manybabies[dot]org
doi.org
OSF
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CONNECT partnership @connect-btss.bsky.social · 06/11/2025
🗣️ Upcoming event featuring @psysciacc.bsky.social co-director Erin Buchanan (aka @aggieerin.bsky.social): "How Open Science Bridges Cultures and Promotes Best Practices" Nov 13, 2pm ET Learn more and register: div52.net/webinars/
div52.net
Webinars – APA Division 52 – International Psychology
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Center for Open Science @cos.io · 14/10/2025
📰 ICYMI: the refreshed OSF interface is live! The redesign makes it easier to navigate projects, find key features, and manage research across every stage. Check out a quick summary of the updates on our blog, plus a link to download our one-page quick guide. 🔗
cos.io
Now Live: The Refreshed OSF Interface
The Open Science Framework (OSF) now features a redesigned interface that makes managing research projects easier, faster, and more intuitive. Download our one-page quick guide.
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Big Team Science Conference @btscon.bsky.social · 08/10/2025
As we wrap up this year's conference, we want to say a HUGE THANK YOU to all of our 2025 BTSCON presenters and attendees. What a fantastic community of collaborative science enthusiasts! We can't wait to gather with you all again next year!
media.tenor.com
a group of older women are dancing in a living room . one of the women is wearing a pink sweater .
Alt: The Golden Girls (Dorothy, Blanche, Sophia, and Rose) come together for a group hug.
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ManyBabies @manybabies.org · 07/10/2025
Leaders of the ManyBabies 2, 3, and 4 projects will be presenting at the @btscon.bsky.social in less than 1 hour!! Register now (for free if you’d like!) to get the zoom link and/or access to the recording! bigteamscienceconference.github.io/registration/
bigteamscienceconference.github.io
registration
>>> Register for the 2025 BTSCON now! *** ### BTSCON Registration Info To balance inclusivity with our funding needs, *registration fees for the Big Team Science Conference are optional*. You can pay ...
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Big Team Science Conference @btscon.bsky.social · 01/10/2025
Please help us spread the word about the 2025 BTSCON (Oct 6-8) with your big-team-science-loving friends and colleagues. Can't wait to see you all there! bigteamscienceconference.github.io
bigteamscienceconference.github.io
Big Team Science Conference
The fourth annual Big Team Science Conference will be held virtually via Zoom October 6-8, 2025. The goal of this three-day virtual conference is to bring together a multidisciplinary group of researc...
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Big Team Science Conference @btscon.bsky.social · 01/10/2025
Catch keynotes from @angeladuckworth.bsky.social and Christopher Stubbs, featured sessions about Big Team Science in the Majority World, and presentations from all your favorite "Manys" including @manyprimates.bsky.social @manybabies.org @manydogsproject.bsky.social, etc. ALL THAT AND MORE!!
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Big Team Science Conference @btscon.bsky.social · 01/10/2025
There's still time to register for the 2025 Big Team Science Conference (October 6-8, live on Zoom)! All fees are OPTIONAL, so you can pay what you'd like (or nothing at all!) to gain access to a ton of amazing BTS content. bigteamscienceconference.github.io/registration/
bigteamscienceconference.github.io
registration
>>> Register for the 2025 BTSCON now! *** ### BTSCON Registration Info To balance inclusivity with our funding needs, *registration fees for the Big Team Science Conference are optional*. You can pay ...
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Big Team Science Conference @btscon.bsky.social · 01/10/2025
Our full 2025 program and schedule are now up on our website! We've got so many great presentations lined up, you won't want to miss it! bigteamscienceconference.github.io/program/
bigteamscienceconference.github.io
program
Note: The live conference schedule with links to sessions will be provided to conference registrants via email. To access the live schedule, REGISTER NOW *** >>> View the 2025 BTSCON Program *** > Not...
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Big Team Science Conference @btscon.bsky.social · 31/07/2025
🚨 Deadline Extended! 🚨 We’ve extended the #BigTeamScience conference submission deadline to August 8! 🧠🌎 Don’t miss your chance to be part of this global, interdisciplinary event! docs.google.com/forms/d/e/1F...
docs.google.com
2025 Big Team Science Conference Submission Form
The 2025 Big Team Science Conference will feature symposiums, panel sessions, hackathons, talks, and unconferences related to big team science. This can include projects related to completed and/or ne...
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Big Team Science Conference @btscon.bsky.social · 25/07/2025
KEYNOTE: Dr. Christopher Stubbs, Harvard Physics and Astronomy "Going Big: How it's different, the ways it challenges us, and why we (increasingly?) need to do it" Tuesday, October 7 | 14:00-15:00 UTC register now (for free or pay-what-you-want): bigteamscienceconference.github.io/registration/
Christopher has short gray hair and a beard. He's wearing an oxford shirt and giving a slight smile.
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Big Team Science Conference @btscon.bsky.social · 25/07/2025
KEYNOTE: Dr. Angela Duckworth, co-director of the Penn-Wharton Behavior Change for Good Initiative Megastudies: A new paradigm for field studies in social science Monday, October 6 | 15:00-16:00 UTC register now (for free or pay-what-you-want): bigteamscienceconference.github.io/registration/
Angela has shoulder-length dark hair and is smiling at the camera
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Big Team Science Conference @btscon.bsky.social · 25/07/2025
REMINDER: abstracts for the 2025 Big Team Science Conference are due in one week (July 31)! Any and all work related to large collaborative science is welcome! bigteamscienceconference.github.io/submissions/
bigteamscienceconference.github.io
submissions
>>> Submit your abstract here! Submissions for all session types are now open! * *Panels, hackathons, and symposia:* maximum 500 words * *Talks, lightning talks, and unconferences:* maximum 250 words ...
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ABRIR @abrir.bsky.social · 07/07/2025
Mark your calendars! BTSCON2025 is set for October 6-8th! This year, ABRIR is a member of the organizing team, together with @psysciacc.bsky.social and @manybabies.org. Follow us for more exciting news and make sure to submit your work 🔥
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ManyBabies @manybabies.org · 08/07/2025
BTSCON submissions and registration are now open! Help us spread the word! bigteamscienceconference.github.io #teamscience #openscience
bigteamscienceconference.github.io
Big Team Science Conference
The fourth annual Big Team Science Conference will be held virtually via Zoom October 6-8, 2025. The goal of this three-day virtual conference is to bring together a multidisciplinary group of researc...
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Big Team Science Conference @btscon.bsky.social · 07/07/2025
Session Submission and registration is now open for BTSCON2025! bigteamscienceconference.github.io/submissions/ @abrir.bsky.social @psysciacc.bsky.social @manybabies.org
BTSCON 2025 is now seeking submission proposals for their annual conference. All session submissions are due on July 31st. You can submit on the website https://bigteamscienceconference.github.io/submissions/. We are also excited to say that registration is also now live!
BTSCON 2025 is now seeking submission proposals for their annual conference. All session submissions are due on July 31st. You can submit on the website https://bigteamscienceconference.github.io/submissions/. We are also excited to say that registration is also now live!
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