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Michela Leonardi

@mikleonardi.bsky.social
1.6K followers 569 following 115 posts

#Biodiversity modeller. Special focus on #paleoecology, #paleoclimate, #prehistory. Working at NHM London @nhm-london.bsky.social and Evolutionary Ecology Group @eegcam.bsky.social Cambridge University (UK). She/her

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Michela Leonardi @mikleonardi.bsky.social · 07/05/2026
Happy birthday Sir David! 🌊 @zoologymuseum.bsky.social @camzoology.bsky.social
Rebecca Kilner (director of the Department of Zoology University of Cambridge) and Toby Nowlan (film director and producer) in front of a screen showing "Ocean with David Attenborough" in the David Attenborough Building, University of Cambridge.
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University of Cambridge Museums @camunivmuseums.bsky.social · 07/05/2026
We're delighted to see Bridging Binaries LGBTQ+ Tours return to The Polar Museum! 🌈 @scottpolar.bsky.social Join a FREE tour this Saturday 9 May, 1pm, and discover fascinating queer stories from the collection based on new archival research. Book your place: www.eventbrite.co.uk/e/1988316268....
eventbrite.co.uk
Bridging Binaries LGBTQ+ Tour
Explore the rich stories of queer and questioning individuals throughout polar history.
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Kelsey J.R.P. Byers @plantpollinator.bsky.social · 07/05/2026
UK folks: don't forget that today is elections day for some if you are able to vote. Polls are open from 7am-10pm & if in queue by 10pm you can still vote. Look up your polling site and candidate list here: www.electoralcommission.org.uk/i-am-a/voter... and don't forget to bring ID if in England!
electoralcommission.org.uk
Elections in your area
Find upcoming elections in your area, your polling station, candidates, and contact details for your local electoral services team
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Jack Ashby @jackdashby.bsky.social · 07/05/2026
My episode of ABC Conversations aired again today. I spoke to Richard Fidler about the wonders of the #platypus, how Europeans came to know them, and how they've been unfairly written off as weird and primitive - all stories from my #PlatypusMatters book. Listen here: www.abc.net.au/listen/progr...
abc.net.au
Encore: The misfit mammal that defies biological conventions - ABC listen
It was love at first sight, when Jack Ashby first set eyes upon a platypus specimen as a young university student. The introduction set him on a lifelong mission to meet these quintessentially Austra...
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Department of Zoology, University of Cambridge @camzoology.bsky.social · 23/04/2026
🦟Infectious disease has shaped the deep history of our species, as new research co-authored by members of our Evolutionary Ecology Group reveals. @eegcam.bsky.social @mikleonardi.bsky.social @ceciliapad.bsky.social www.science.org/doi/10.1126/...
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Oca sapiens @ocasapiens.bsky.social · 23/04/2026
Compliments to your colleagues too. I'm a fan of History and Geography of Human Genes, so I found the history and stories you reconstructed fascinating. Knowing Cavalli Sforza a bit, I think he would have appreciated it too.
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Prof Phoebe Barnard @phoebebarnard.bsky.social · 06/05/2026
A fascinating paper, and one worth reading as we enter a period likely to see accelerated spread of malaria back into areas from which it had been eradicated.
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Oca sapiens @ocasapiens.bsky.social · 23/04/2026
#geoanthropology #genetics #evolution "It was not just humans who adapted to different regions and environments, their pathogens did too." Wonderful work indeed, and well-written paper, tks for the OA.
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Michela Leonardi @mikleonardi.bsky.social · 22/04/2026
I am so happy to share our #newpaper on how human #distribution in #Africa was shaped by #malaria for tens of thousands of years. A wonderful work led by @margheritac17.bsky.social @elliescerri.bsky.social and @eegcam.bsky.social. I loved contributing! #prehistory #humanevolution #disease 1/2
science.org
Malaria shaped human spatial organization for the past 74 thousand years
Malaria has shaped human habitat choice, exchange, and dispersal since the late Pleistocene in sub-Saharan Africa.
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Eleanor Scerri @elliescerri.bsky.social · 22/04/2026
1/5 Well over three years of work and I’m thrilled to see it out today in Science Advances: the cover feature no less! Using an innovative pipeline, we show that malaria shaped the spatial organization of human groups in sub-Saharan Africa over the last 74,000 years. www.science.org/doi/10.1126/...
science.org
Malaria shaped human spatial organization for the past 74 thousand years
Malaria has shaped human habitat choice, exchange, and dispersal since the late Pleistocene in sub-Saharan Africa.
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Margherita Colucci @margheritac17.bsky.social · 22/04/2026
🦟 Out and on a shiny new cover of Science Advances: we use a novel approach to study malaria impact on early human groups - malaria wasn't just a threat, it shaped human habitat choice in sub-Saharan Africa in the past 74,000 years. www.science.org/doi/10.1126/...
science.org
Malaria shaped human spatial organization for the past 74 thousand years
Malaria has shaped human habitat choice, exchange, and dispersal since the late Pleistocene in sub-Saharan Africa.
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 22/04/2026
If you want to know more about our study on the impact of #malaria on human #distribution for the last 74k years go check this great thread by @elliescerri.bsky.social! 🦟👣 www.science.org/doi/10.1126/...
science.org
Malaria shaped human spatial organization for the past 74 thousand years
Malaria has shaped human habitat choice, exchange, and dispersal since the late Pleistocene in sub-Saharan Africa.
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 12/03/2026
New preprint from the lab!
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Dr Matt Pope @mattpope.bsky.social · 03/03/2026
Just heard of another major British Palaeolithic site falling through the planning & protection net and being green-lit for development. That's 3 confirmed in 3 years, with 2 others I'm investigating. The failure to schedule Palaeolithic sites & the erosion of planning protections are to blame. 🚨🦣🏺
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PCI Archaeology @pciarchaeology.bsky.social · 03/03/2026
1/3 New recommendation: Fusco, Habte, Leplongeon, Ménard, Manica, Spinapolice, Leonardi (2025). The environmental context of the Middle-to-Late Stone Age Transition in eastern Africa: seasonality as a key factor. v2 peer-reviewed and recommended by PCI Archaeology doi.org/10.1101/2024...
Figure summarizing the results of the article: top line with three drawings, showing the interpretation that mild variations dry-wet seasons lead to predictable resource availability and is linked to homogeneous toolkit. Bottom line on the contrary show the link between strong variations dry-wet seasons, leading to unpredictable resource availability, which would favors variable toolkit.
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Michela Leonardi @mikleonardi.bsky.social · 03/03/2026
I am so happy that the work done by @mariannafusco.bsky.social is now accepted on @pciarchaeology.bsky.social 🌟 We explore potential links between the shape and size of #MSA lithic tools and #climate variability through the year 🌧️🌞🪨 I loved working with Marianna and @enzaspinapolice.bsky.social !❤️
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New Scientist @newscientist.com · 23/09/2025
The revelation that endometriosis is linked to autoimmune disorders is opening up a whole new way to treat this painful and poorly understood condition
newscientist.com
A deeper understanding of endometriosis is suggesting new treatments
The revelation that endometriosis is linked to autoimmune disorders is opening up a whole new way to treat this painful and poorly understood condition
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Cecilia Padilla-Iglesias @ceciliapad.bsky.social · 28/08/2025
I couldn’t be more excited about being given the chance to present some of the work we do at @eegcam.bsky.social this November & to listen to the talks by such an incredible line up of speakers! 🤩
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preLights @prelights.bsky.social · 20/08/2025
The distribution of early human settlements in Sub-Saharan Africa might have been influenced by avoidance of mosquitoes that spread malaria A new #prelight of Alejandra Leffer's group talks about the preprint by @margheritac17.bsky.social , and the team.
prelights.biologists.com
Malaria shaped human spatial organisation for the last 74 thousand years - preLights
The distribution of early human settlements in Sub-Saharan Africa might have been influenced by avoidance of mosquitoes that spread malaria
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 07/08/2025
🚨🧬New #preprint and R package from the lab out in @biorxivpreprint.bsky.social🧬🚨: 'tidygenclust' combines the functionality of ADMIXTURE, fastmixture and Clumppling into R - allowing for reproducible clustering analyses and plotting all in one place! www.biorxiv.org/content/10.1...
biorxiv.org
tidygenclust: Clustering for Population Genetics in R
Background Population structure analysis is crucial for evolutionary research and medical genomics. Clustering methods, broadly categorized as model-based (e.g. ADMIXTURE) or non-model-based (e.g. SCO...
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Margherita Colucci @margheritac17.bsky.social · 22/08/2025
Thank you @prelights.bsky.social & Alejandra Leffer's group for choosing our preprint on @biorxiv-evobio.bsky.social and for this chance to talk about human- #malaria coevolution!🦟 @eegcam.bsky.social @elliescerri.bsky.social @MPI_GEA
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GBIF @gbif.org · 28/07/2025
News flash! ⚡ GBIF establishes an international task group led by Dr Lydia Jennings on Indigenous data governance to offer input and guidance for implementing the #CAREPrinciples within the GBIF network 🌱 Read more: 🔗 gbif.link/IDG @localcontexts.bsky.social
peach coloured background with a drawing of a tree in a sphere depicted
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Michela Leonardi @mikleonardi.bsky.social · 28/07/2025
#Newpaper: the African Humid period through the lenses of pollen-based and mechanistic-based #palaeoclimate reconstructions! Thanks @ecologypast.bsky.social, @markuslfischer.bsky.social, @paleoclimategirl.bsky.social and all coauthors!
sciencedirect.com
A multi-model approach to the spatial and temporal characterization of the African Humid Period
During the last c. 20,000 years, African climates experienced temperature shifts related to the last period of global deglaciation and moisture availa…
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 25/07/2025
Pollen-based reconstructions and a mechanistic climate model tell a similar story on the Africa Humid Period; @mikleonardi.bsky.social‬ and Andrea contributed to a proxy-model comparison paper led by @ecologypast.bsky.social‬ in Quatern. Int.: authors.elsevier.com/sd/article/S...
authors.elsevier.com
ScienceDirect.com | Science, health and medical journals, full text articles and books.
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The Perfect Specimen @perfect-specimen.bsky.social · 21/07/2025
It’s our most controversial episode yet! What do Josh and Natalie think is OVERRATED? Do you agree??? m.youtube.com/watch?v=2IKx...
m.youtube.com
Josh doesn't care about T. rex lips | The 'Perfect' Specimen Ep5
YouTube video by Natural History Museum
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Communications Biology @commsbio.nature.com · 10/07/2025
Hindcasted species distribution modelling of baboons illuminates potential refugia across Africa and Arabia, with predicted maxima and minima of habitable ranges pulsed by orbital precession and obliquity expressed within the last precessional cycle. www.nature.com/articles/s42...
nature.com
Identifying late Pleistocene and Holocene refugia for baboons - Communications Biology
Hindcasted species distribution modelling of baboons illuminates potential refugia across Africa and Arabia, with predicted maxima and minima of habitable ranges pulsed by orbital precession and obliq...
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Erle Ellis @erleellis.bsky.social · 19/07/2025
US EPA science shutdown endangers health of people and planet 🌎 🌐 theconversation.com/the-us-envir...
theconversation.com
The US Environmental Protection Agency’s retreat from science endangers the health of people and the planet
From detecting pollutants to assessing health risks, the US EPA’s Office of Research and Development has long ensured that environmental decisions are grounded in credible, cutting-edge science.
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Andrea Hart @andreahart.bsky.social · 19/07/2025
You can also now see it as part of the Richard Owen: A Natural Legacy display in the @nhm-london.bsky.social ‘s free Images of Nature gallery alongside other original #illustrations from Owen’s fascinating drawings collection #naturalhistory #art #gallery #echidna #anatomy
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Rob Foley @robfoley.bsky.social · 18/07/2025
Fabulous news that @martamlahr.bsky.social has been elected a Fellow of the British Academy 🍾🍾🍾
Announcement at the British Academy
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Leverhulme Trust @leverhulme.ac.uk · 11/07/2025
Molecules from 20-million-year-old rhino's teeth are among the oldest ever sequenced. New @nature.com paper by Professor Andrea Manica and @mikleonardi.bsky.social @eegcam.bsky.social out now: www.nature.com/articles/s41... Read more here: www.nature.com/articles/d41...
nature.com
Ancient proteins rewrite the rhino family tree — are dinosaurs next?
Molecules from 20-million-year-old teeth are among the oldest ever sequenced.
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 10/07/2025
Andrea and @mikleonardi.bsky.social contributed to a @nature.com paper recovering phylogenetically informative proteins from a ~21M year rhino: www.nature.com/articles/s41...
nature.com
Phylogenetically informative proteins from an Early Miocene rhinocerotid - Nature
Protein sequences from fossil tooth enamel of a rhinocerotid from Canada’s High Arctic are used to develop phylogenetic frameworks from a specimen too old to preserve ancient DNA.
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Dr Lucy H. Timbrell @lucytimbrell96.bsky.social · 10/07/2025
Very pleased to see our paper published online at Climate of the Past: cp.copernicus.org/articles/21/... We present model-data comparisons of Late Quaternary climate across the Northern Hemisphere, showing that increasing model resolution has little net effect on coherence with pollen proxies 😊
cp.copernicus.org
More is not always better: delta-downscaling climate model outputs from 30 to 5 min resolution has minimal impact on coherence with Late Quaternary proxies
Abstract. Both proxies and models provide key resources to explore how palaeoenvironmental changes may have impacted diverse biotic communities and cultural processes. While proxies are thought to pro...
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 10/07/2025
New paper in collaboration with @lucytimbrell96.bsky.social and @jblinkhorn.bsky.social, with several of us involved (@mikleonardi.bsky.social @margheritac17.bsky.social @andreavpozzi.bsky.social) shows that downscaling palaeoclimate models doesn't necessarily improve coherence with proxy data.
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 23/06/2025
Last week, Andrea sat down with Dr Chris Smith of Naked Scientists to talk about our paper on the expansion of the human niche 70k year ago: www.thenakedscientists.com/articles/int...
thenakedscientists.com
Humanity's road to dominance began earlier than expected
Getting sapient about sapiens...
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Michela Leonardi @mikleonardi.bsky.social · 03/07/2025
Yesterday it was staff party day at @nhm-london.bsky.social. Coolest event ever 😍
The Natural History Museum director giving a speech in the main hall, in front of the statue of Charles DarwinReflection of one of the historic towers of the Natural History Museum into the full glass side of the Darwin centre. A newt in the Natural History Museum pondA square of chocolate cake with a chocolate dinosaur on top
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Heidelberger Akademie der Wissenschaften @hadw-bw.bsky.social · 27/06/2025
Eine neue Nature-Studie erklärt, warum frühe Wanderungsversuche des Menschen nicht gelangen. Die Menschheit musste zunächst in Afrika lernen, verschiedene Arten von Habitaten zu erschließen. Grundlage der Arbeit ist die Datenbank „ROAD“ unserer Forschungsstelle ROCEEH. www.nature.com/articles/s41...
nature.com
Major expansion in the human niche preceded out of Africa dispersal - Nature
Analysis of species distribution models in a pan-African database comprising chronometrically dated archaeological sites over the past 120,000 years shows major expansion in the human niche from 70 ka...
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Michela Leonardi @mikleonardi.bsky.social · 25/06/2025
An invaluable software for #popgen! Congrats @eviecarter41.bsky.social, @eegcam.bsky.social and colleagues for this tool! 🧬
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Chris Stringer @chrisbstringer.bsky.social · 19/06/2025
Sharing ideas might have helped Homo sapiens adapt for life outside Africa www.nhm.ac.uk/discover/new...
nhm.ac.uk
Sharing ideas might have helped Homo sapiens adapt for life outside Africa | Natural History Museum
As humans adapted to new environments, they might have better able to share ideas with other groups.
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William E. Banks @wbanks33.bsky.social · 18/06/2025
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University of Cambridge @cam.ac.uk · 18/06/2025
Around 70,000 years ago, our ancestors in Africa began exploiting different habitats. Flexibility to survive in deserts to rainforests enabled their successful spread ‘Out of Africa’. Find out more about the study co-led by Andrea Manica @eegcam.bsky.social 👇 bit.ly/4e6i9H7
An elephant standing beneath large trees with text overlay that reads: 'How did humans become the most adaptable species on Earth?'

Photo credit: Ondrej Pelanek and Martin Pelanek
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Manuel Will @manuelwill.bsky.social · 18/06/2025
Here is a thread detailing the main findings of the paper by the key people driving this study!
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Carl Zimmer @carlzimmer.com · 18/06/2025
About 70,000 years ago, a new study suggests, our species learned to live just about anywhere. Later, that ability helped our ancestors expand from Africa across the world. Here’s my story on the human niche [Gift link] nyti.ms/3ZBc7ID
nyti.ms
When Humans Learned to Live Everywhere
About 70,000 years ago in Africa, humans expanded into more extreme environments, a new study finds, setting the stage for our global migration.
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Michela Leonardi @mikleonardi.bsky.social · 18/06/2025
Thank you @wbanks33.bsky.social for this insight on our paper!
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Michela Leonardi @mikleonardi.bsky.social · 18/06/2025
after 6 years, finally out in @nature.com! ‪Huge expansion of the human #niche in Africa ~70kya likely equipped later #outofAfrica dispersals with unique ecological flexibility co-led with Emily Hallett @eegcam.bsky.social & @elliescerri.bsky.social #prehistory #humanevolution #paleoecology #SDM
nature.com
Major expansion in the human niche preceded out of Africa dispersal - Nature
Analysis of species distribution models in a pan-African database comprising chronometrically dated archaeological sites over the past 120,000 years shows major expansion in the human niche from 70 ka...
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Evolutionary Ecology Group, Cambridge @eegcam.bsky.social · 18/06/2025
#newpaper now out in @nature.com! A huge expansion of the human niche in Africa ~70 kya likely equipped later #outofAfrica dispersals with a unique ecological flexibility. www.nature.com/articles/s41... led by Emily Hallett, @mikleonardi.bsky.social, Andrea Manica, @elliescerri.bsky.social 1/4
nature.com
Major expansion in the human niche preceded out of Africa dispersal - Nature
Analysis of species distribution models in a pan-African database comprising chronometrically dated archaeological sites over the past 120,000 years shows major expansion in the human niche from 70 ka...
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Anahit Hovhannisyan @anahit19.bsky.social · 23/05/2025
A huge congratulations to @ceciliapad.bsky.social and @eegcam.bsky.social! 🤗👏
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Margherita Colucci @margheritac17.bsky.social · 09/06/2025
🚨 NEW preprint🚨 Our latest study @HPS MPI-GEA @elliescerri.bsky.social & @eegcam.bsky.social models #malaria risk over the past 74,000 years revealing its powerful role in shaping human habitat choice and dispersal since the late Pleistocene in sub-Saharan Africa 🦟🌍 www.biorxiv.org/content/10.1...
biorxiv.org
Malaria shaped human spatial organisation for the last 74 thousand years
The mechanisms driving the spatial organisation of early human societies in Africa are typically addressed through climate variables [1][1]-[3][2]. However, genetic and archaeological studies have als...
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John Hawks @johnhawks.net · 23/05/2025
I really like this preprint. There is a lot to reflect on, which I'll do at greater length. An observation: Multiregional evolution drew upon very similar metapopulation modeling in the 1990s and early 2000s, e.g. work from me, Alan Templeton, and John Relethford. www.biorxiv.org/content/10.1...
biorxiv.org
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Palaeotrails @palaeotrails.bsky.social · 09/06/2025
🚨 New research by Palaeotrails' @sarah-paris.bsky.social beautifully connects Neolithic infant burials in Thailand with today’s evolving conversations around perinatal loss. "This isn't just about pigment—it's about belonging." From ancient ochre to Ronaldo's 7th-minute tribute—grief unites. 🕊️
arch.cam.ac.uk
What Ancient Burials Can Teach Us About Grief: New Study Links Prehistoric Thai Cemetery to Today’s Perinatal Loss Conversations
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