Congratulations to @UNESCO.org on the opening of their new Virtual Museum, enabling people around the world to explore scientific stories and building public trust in science. We are delighted to see the HCA and our co-founders featuring in their Women in Science exhibition. 🖥️ 🧬

Congratulations to everyone involved in creating this cellular map of the developing human reproductive system, published in @nature.com. The team mapped key genes and signals in reproductive organ formation, giving insights into congenital disorders and reproductive health.

Wonderful to see these renowned African leaders at the jointly organised UNESCO-Human Cell Atlas Africa Leadership Workshop, 15-16 December in Nairobi, Kenya. @UNESCO.org 🖥️ 🧬 #SingleCell #Genomics

Thank you to everyone who attended the inaugural webinar in the “Towards a Human Exposome Atlas” series on 09 Dec. More than 350 people joined the event, bringing the @unesco.org, @exposomemoonshot.bsky.social and HCA communities together. 🖥️ 🧬 #Genomics #Exposome #SingleCell

Starting in one hour, the first webinar in the “Towards a Human Exposome Atlas” series, co hosted by @UNESCO.org, @exposomemoonshot.bsky.social and the HCA. Join us 07:30-09:30 EST | 12:30-14:30 GMT | 21:30-23:30 JST. buff.ly/gLKI8xH 🖥️ 🧬 #Genomics #Exposome

Join us tomorrow, 09 Dec, at 07:30-09:30 EST | 12:30-14:30 GMT | 21:30-23:30 JST for the first webinar in the “Towards a Human Exposome Atlas” series. Please register at buff.ly/CgFfTz0 🖥️ 🧬 #Genomics #Exposome

Don’t miss the first webinar in the “Towards a Human Exposome Atlas” series next week. To join us on Tuesday, 09 Dec, please register at buff.ly/XT0BGLH 🖥️ 🧬 #Exposome #Genomics #SingleCell

Remember to register for the first webinar in the new series “Towards a Human Exposome Cell Atlas”, held on Tuesday, 9 December. You can register at buff.ly/FfAYSCZ 🖥️ 🧬 #Exposome #Genomics #SingleCell

Please Save the Date for the 2026 HCA Asia Meeting, which will be held on 2-4 November 2026 as a hybrid meeting in Perth, Australia. Registration will open later this year. 🖥️ 🧬 #HCA2026Asia #SingleCell #Genomics #Spatial

Congratulations to everyone involved in this fabulous #BICAN collection of papers in Nature creating a cell census of the developing human brain. These give new insights into #brain development, to help advance health and disease research.

We are delighted to announce a new webinar series, “Towards a Human Exposome Cell Atlas,” co-hosted by @unesco.org, @exposomemoonshot.bsky.social, and HCA. buff.ly/VnxllaM #Exposome #HumanCellAtlas

Wonderful to see this Roadmap ‘Towards a reference cell atlas of liver diversity over the human lifespan’. It reveals how the HCA Liver Biological Network is creating the Human Liver Cell Atlas, including challenges and potential impact on disease research.

Thanks to everyone who joined us for the HCA Town Hall sessions this week. Recordings are available on the HCA YouTube at buff.ly/gtt4gfR and buff.ly/fpqiUI2

Session 2 of the HCA Town Hall Meeting starts soon. 10:00-11:00 JST/ 12:00-13:00 AEDT Hear progress towards the first draft of the Atlas, details of the recently approved HCA Immune Cell Atlas, and plans for the next phase of HCA. buff.ly/axbh5JE

Today's HCA Town Hall Meeting Session 1 starts soon. 11:00-12:00 EDT / 16:00-17:00 BST Hear progress towards the first draft of the Atlas, details of the recently approved HCA Immune Cell Atlas, and plans for the next phase of HCA. buff.ly/axbh5JE

Please join us next week for the HCA-wide Town Hall Meeting to hear updates towards completing the first draft of the Human Cell Atlas next year. There are two sessions to accommodate our membership in different time zones. buff.ly/axbh5JE

Remember to register for the HCA October Town Hall meeting. It will be held twice, to accommodate different time zones. * Monday, 06 October 11:00-12:00 EDT/16:00-17:00 BST * Tuesday, 07 October 10:00-11:00 JST/12:00-13:00 AEDT. Register at buff.ly/XqQVk2k

The 2026 HCA General Meeting will take place in Boston, USA, 16-18 June. Early bird registration for the #HCA2026GM is now open and runs until 31 January. Please see buff.ly/oaFJZ0E for more information.

Please join us for the next HCA-wide Town Hall meeting. It will be held twice to accommodate different time zones. * Monday, 06 October 11:00-12:00 EDT/16:00-17:00 BST * Tuesday, 07 October 10:00-11:00 JST/12:00-13:00 AEDT See buff.ly/MvyU3Im

Thank you again to everyone who attended the 2025 HCA General Meeting in June, in person and online. For those who weren’t able to attend, the #HCA2025GM recordings are now available on YouTube at

Please Save the Date for the 2026 HCA General Meeting, which will be held 16-18 June in Boston, USA, and online. Registration opens in September. We hope you can join us. #HCA2026GM

We are delighted to announce that the 2026 HCA General Meeting will take place 16-18 June in Boston, USA, at the Joseph B. Martin Conference Center at Harvard Medical School. Please mark your calendar #HCA2026GM.

Did you see that we are looking for a Civic Science Public Engagement Fellow, to design and lead a new HCA #PublicEngagement programme? Applications close this week, on Sunday 6th July. More information at buff.ly/JdxwmJ4

We are delighted that HCA has joined the AWS Open Data Program. This will assist the HCA commitment to make data openly and freely available worldwide long-term. @awscloud.bsky.social‬ See buff.ly/IHw40Ro

The #HCA2025GM highlighted HCA strategic goals for the next 5 years, and calls to action. These goals include plans to create a cross-tissue reference Atlas, that is spatially resolved in 3D, geographically representative, and clinically applied.

The HCA 2025 General Meeting brought together 63 speakers and session leads and 631 participants, from 47 countries, to discuss HCA strategic goals and how to achieve them. Many thanks to our Platinum Sponsor @10xGenomics for their support of the #HCA2025GM meeting.

Thank you so much to everyone who attended the #HCA2025GM meeting. It’s been wonderful to connect with everyone and we really hope you’ve enjoyed it. Thanks to our great Programme Committee hosts Jay Shin and Shyam Prabhakar, and to all the attendees, speakers and panellists.

We’re looking forward to tomorrow’s Genetic Diversity Collaboration between Asia & Latin America Meeting. For those joining us in-person tomorrow, please go to NTU@OneNorth. We will also livestream so our virtual participants can join.

Thank you to our Program Committee Co-Chairs, Shyam Prabhakar and Jay Shin from @astar_gis for hosting the 2025 HCA General Meeting, and to everyone involved in the HCA2025GM. It has been a truly inspirational meeting.

Thank you to all of the speakers and participants of this afternoon’s HCA Regional Networks Meeting in Singapore

Thanks to @AWS for hosting this morning’s workshop which had more than 75 in-person participants.

We’re very much looking forward to this afternoon’s HCA Regional Network Meeting: Cross regional synergies. Registration is still open for virtual attendees at: buff.ly/3nIyZsu

Day 3 of the 2025 HCA General Meeting is about to start, with additional sessions offering further opportunities to engage with the #HCAcommunity. #HCA2025GM You can see the agenda and learn about the speakers at buff.ly/PKOm8Ng

We finished Day 2 of the #HCA2025GM with the second Poster and Exhibitor viewing reception. Posters from Rotation 2 presenters were shown this evening. Virtual attendees can see poster abstracts here: buff.ly/HrZEP9t

Are you passionate about #PublicEngagement, making science accessible and meaningful to communities? Unique opportunity for a Civic Science Engagement Fellow to join #HumanCellAtlas team, to design and lead a new public engagement programme. See buff.ly/FK9xjH1

Thank you to @HelmsleyTrust for sponsoring Session 4: Disease, at the #HCA2025GM. You can see the session details below:

Thank you to Roche for sponsoring Session 3: Diversity and Equity, which will begin shortly. #HCA2025GM You can see the session details below:

We’re starting Day 2 of the 2025 HCA General Meeting. Join us now to see a Keynote talk from Ge Gao, titled 'Towards a Rational-Designed Regulatory Language Model'. You can still register to attend virtually here buff.ly/eZiIwaB #HCA2025GM

Thank you to everyone who joined us today at #HCA2025GM, we hope you’ve enjoyed it and look forward to seeing you tomorrow. The programme starts at 9:00am Singapore Time.

We're finishing the day with an evening Poster and Exhibitor viewing. Thank you to @AtrandiBio for sponsoring tonight’s opening reception.

Don’t miss today’s Keynote talk by ‪@soumya-boston.bsky.social 'Defining the cell-state-specific molecular effects of disease risk alleles', starting in the Main Hall in a couple of minutes. Virtual attendees can watch the live stream in the virtual session at

At the #HCA2025GM, Session 2: Spatial, is starting in a few minutes. Thank you to @illumina for sponsoring this Session, discussing a variety of Spatial topics. See the details:

Thank you to ‪@10xgenomics.bsky.social for sponsoring #HCA2025GM Session 1: Roadmaps for Building Atlases. This session is starting in just a few minutes. You can see the session details: buff.ly/Hmf0TYY

We’re excited to start the 2025 HCA General Meeting today. Looking forward to many insightful discussions and collaborations. You can still register to attend virtually at buff.ly/eZiIwaB #HCA2025GM

The 2025 HCA General Meeting begins tomorrow at 9AM Singapore Time. If you have not registered yet, virtual registration is still open here buff.ly/eZiIwaB #HCA2025GM

The 2025 HCA General Meeting starts on Monday! You can still register to attend online as a virtual participant, to join in discussions and be part of shaping the next phase of the HCA. Please register for the #HCA2025GM here: buff.ly/eZiIwaB

We are only one week away from the HCA 2025 General Meeting starting on 9 June! You can still register to attend in-person or virtually at buff.ly/eZiIwaB #HCA2025GM

The HCA Archive Resource is now available for users, via the new Archive Discovery Portal. Established as a digital memory bank, the HCA Archive ensures the unique achievements of the HCA consortium are recorded and preserved. Learn more at buff.ly/21PTUnH

We are excited to share additional program offerings and features for the 2025 HCA General Meeting. Registered attendees can connect with other virtual and in-person participants on our community page at: buff.ly/gILE7wo #HCA2025GM

Congratulations to everyone involved in this first HCA Adipose Biological Network roadmap towards creating a Human Adipose Tissue Cell Atlas, including suggested cell annotations. Now published in Nature Metabolism.