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Arnaud Badiane

@arnaud-badiane.bsky.social

CNRS researcher at IGFL, ENS-Lyon. Ecology-Evolution-Development Nature Photography website: https://arnaudbadiane.com/

244 Followers  |  772 Following  |  36 Posts  |  Joined: 02.04.2025  |  1.6772

Latest posts by arnaud-badiane.bsky.social on Bluesky

A European common lizard (Zootoca vivipara) on a piece of wood. Photo credit: Montaine Delmotte, INRAE.

A European common lizard (Zootoca vivipara) on a piece of wood. Photo credit: Montaine Delmotte, INRAE.

Human long-distance runners struggle with dehydration after losing 2% body mass, but common lizards still run well after losing 30% of their body mass. However, cold (20C) lizards are only half as fast as 35C lizards, so temperature impacts them more

journals.biologists.com/jeb/article/...

04.12.2025 12:57 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
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Rediscovery of the greater chestnut weevil highlights the power of digital platforms in biodiversity research and conservation Charles et al. rediscover the presumed-extinct greater chestnut weevil (Curculio caryatrypes) in the eastern US via iNaturalist, and genomic data and field surveys confirm identity and active reproduc...

How iNaturalist, a citizen-science platform, led to the rediscovery of a species thought to be extinct. These platforms are powerful tools for the monitoring of biodiversity.

www.cell.com/current-biol...

04.12.2025 08:26 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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🦣🧬🦣🀯πŸ’₯We are pleased to share our new paper about ancient RNA expression profiles from the Woolly Mammoth, now published in Cell @cellpress.bsky.social

www.cell.com/cell/fulltex...

If you want to know more, read the 🧡 below:

14.11.2025 16:08 β€” πŸ‘ 109    πŸ” 41    πŸ’¬ 1    πŸ“Œ 6
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Single antivenom protects against 17 different snakebites Researchers immunized an alpaca and a llama with snake venoms, and combined some of the antibodies produced into a potent cocktail.

Researchers immunized an alpaca and a llama with snake venoms, and combined some of the antibodies produced into a potent cocktail

go.nature.com/47LQB8d

29.10.2025 17:08 β€” πŸ‘ 49    πŸ” 11    πŸ’¬ 3    πŸ“Œ 2
How these aquatic insects skate across the surface with ease
YouTube video by Science Magazine How these aquatic insects skate across the surface with ease

Nice video clip about one of our amazing study species. Those locomotory abilities are incredible!

youtu.be/CrXqqX-ta5I

27.10.2025 20:36 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Akis lusitanica

Akis lusitanica

Ergates faber

Ergates faber

Two large Beetles (Coleoptera) that can be found in Portugal. Always an impressive sight!

23.10.2025 09:29 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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These stinkbugs coat their eggs in fungi to protect them from parasitic wasps An unusual relationship could shed light on how insects choose their partners

This stinkbug makes an alliance with a fungus to fight its enemy, a parasitic wasp. An evolutionary arms race taken to the next level.

www.science.org/content/arti...

20.10.2025 14:33 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
A Museum specimen of now extinct Madeiran Large White, Pieris wollastoni (Photo: Sam Ellis)

A Museum specimen of now extinct Madeiran Large White, Pieris wollastoni (Photo: Sam Ellis)

We are also deeply saddened that the Madeiran Large White, Pieris wollastoni, is now officially extinct: it was last seen in 1986. The full report can be downloaded here www.bc-europe.eu/documents/68...

11.10.2025 09:34 β€” πŸ‘ 51    πŸ” 22    πŸ’¬ 1    πŸ“Œ 1
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Safe to say that this cricket (Sphingonotus imitans) is right in its habitat. The precision of camouflage will never cease to amaze me.

10.10.2025 11:58 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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These insects are masters of disguiseβ€”even before hatching At every stage in their lives, from egg to adult, leaf and stick insects prove to be prey that can trick their predators.

This article is a couple of years old but still worth sharing given the spectacular diversity of phasmid eggs. Impressive!

www.nationalgeographic.com/animals/arti...

09.10.2025 07:40 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Recent extinctions of plant and animal genera are rare, localized, and decelerated Recent research claims that extinctions of tetrapod genera are rapidly accelerating and threaten human survival. This study shows, through an analysis of recent extinctions, across plant and animal ge...

Quite interesting!

journals.plos.org/plosbiology/...

16.09.2025 13:20 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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We’re offering a fully funded 4 yr PhD position to work on Sexual selection in complex environments at the @uv.es. Co-supervised by @dbergerbiol.bsky.social. Find details below πŸ‘‡

01.09.2025 13:25 β€” πŸ‘ 31    πŸ” 57    πŸ’¬ 0    πŸ“Œ 2
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The vibrant colours of a house-hunting crab β€” August’s best science image The month’s sharpest science shots, selected by Nature’s photo team.

Beautiful photos and short videos here!

www.nature.com/immersive/d4...

30.08.2025 12:02 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Frilly bug feet inspire a water-striding robot Ripple bugs’ nimble movements on the surface of water inspired a robot with automatically unfurling fans on its feet.

If you want to walk on water, it helps to have fancy feet.

26.08.2025 13:10 β€” πŸ‘ 7    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0
Brightfield image of an adult zebrafish caudal fin displaying a β€œtruncate” shape and aberrant pigment pattern. This individual was exposed to transient overexpression of transgenic sonic hedgehog a at 2 days post fertilization, resulting in increased growth of rays at the center of the fin and disruption of the normally horizontal pigment stripes. Credit: Eric Surette and Stephanie Robinson.

Brightfield image of an adult zebrafish caudal fin displaying a β€œtruncate” shape and aberrant pigment pattern. This individual was exposed to transient overexpression of transgenic sonic hedgehog a at 2 days post fertilization, resulting in increased growth of rays at the center of the fin and disruption of the normally horizontal pigment stripes. Credit: Eric Surette and Stephanie Robinson.

Caudal fins show great variation in shape between diverse fish species. New research reveals that #developmental cues in embryonic tissues involving the Sonic hedgehog pathway imprint fin #morphology, highlighting a critical window for modulating appendage morphology. πŸ§ͺ
plos.io/4mydLnA

26.08.2025 11:02 β€” πŸ‘ 16    πŸ” 5    πŸ’¬ 1    πŸ“Œ 4
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An ancient enhancer rapidly evolving in the human lineage promotes neural development and cognitive flexibility HAR123 is a conserved enhancer rapidly evolving in the human lineage that exerts neural functions.

"While present in all mammals, the HAR123 enhancer rapidly evolved since humans diverged from chimpanzees. Human HAR123 uniquely regulates many genes involved in neural differentiation. HAR123-knockout mice exhibit impaired cognitive flexibility & shifts in neural-glia ratios in the hippocampus." πŸ‘‡πŸ§ͺ

22.08.2025 17:47 β€” πŸ‘ 15    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0
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The SORTEE Guidelines for Data and Code Quality Control in Ecology and Evolutionary Biology This is a Preprint and has not been peer reviewed. This is version 1 of this Preprint.

Introducing "The SORTEE Guidelines for Data and Code Quality Control in Ecology and Evolutionary Biology"

The first standardised set of data editor guidelines. Led by SORTEE with input from numerous data editors across ecology and evolution.

πŸ”— doi.org/10.32942/X24...

20.08.2025 07:00 β€” πŸ‘ 41    πŸ” 28    πŸ’¬ 0    πŸ“Œ 1
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Delving into LLM-assisted writing in biomedical publications through excess vocabulary Large language models (LLMs) like ChatGPT can generate and revise text with human-level performance. These models come with clear limitations, can produce inaccurate information, and reinforce existing biases.

The appearance of large language models caused a drastic shift in the vocabulary of academic writing, according to an analysis in #ScienceAdvances of more than 15 million biomedical abstracts published from 2010 to 2024.

Learn more:

10.08.2025 14:07 β€” πŸ‘ 89    πŸ” 31    πŸ’¬ 3    πŸ“Œ 8
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How easy is it to fudge your scientific rank? Meet Larry, the world’s most cited cat β€œExercise in absurdity” reveals flaws in Google Scholar’s productivity metrics

Larry Richardson appeared to be an early-career mathematician with potential, racking up more than 130 citations in 4 years.

It would all be rather remarkableβ€”if the studies weren’t complete gibberish. And if Larry wasn’t a cat. #InternationalCatDay scim.ag/4lg3wTp

08.08.2025 17:58 β€” πŸ‘ 163    πŸ” 64    πŸ’¬ 6    πŸ“Œ 12
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Latest paper elifesciences.org/articles/107... closes an important cycle in our efforts to study regeneration: week-long recordings allow us to observe the behaviour of cells during the entire course of regeneration in a crustacean leg – bright objects in movie are fluorescent nuclei of cells. 1/6

08.08.2025 17:39 β€” πŸ‘ 142    πŸ” 50    πŸ’¬ 2    πŸ“Œ 3
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"Behavior drives morphological change during human evolution"

Our new article is out in @science.org today

www.science.org/doi/10.1126/...

31.07.2025 22:02 β€” πŸ‘ 53    πŸ” 22    πŸ’¬ 4    πŸ“Œ 1

Podcast intΓ©ressant sur le deuil chez les animaux

30.07.2025 09:11 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Evolution of the Nonvisual and Visual Opsin Gene Repertoire in Ray-Finned Fishes Abstract. Photoreceptionβ€”the detection of light for image formation (vision) as well as for nonimage-forming purposes (circadian regulation and DNA repair)

Policarpo et al. analyse 535 genomes to study opsin evolution across ray-finned fishes. Visual opsins are more prone to duplications and losses than nonvisual opsins; fish that rely on electroreception show a reduction in both opsin types.

πŸ”— doi.org/10.1093/gbe/evaf129

#genome #evolution #opsins

28.07.2025 07:38 β€” πŸ‘ 7    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Hidden white and black feather layers enhance plumage coloration in tanagers and other songbirds Colorful songbirds use hidden white or black feather layers to enhance plumage color, an optical trick well known to artists.

Very nice study shows that hidden achromatic colours play a big role in plumage colour variation! #colsci

www.science.org/doi/10.1126/...

25.07.2025 08:57 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The optimistic brain: scans reveal thought patterns shared by positive thinkers Insights from brain imaging could have implications for mental-health research.

A brain signature for optimism but not for pessimism

www.nature.com/articles/d41...

25.07.2025 08:08 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Electroreception in treehoppers: How extreme morphologies can increase electrical sensitivity | PNAS The link between form and function of an organism’s morphology is usually apparent or intuitive. However, some clades of organisms show remarkable ...

Why do treehoppers look so weird?! Our latest paper, out this week in @pnas.org, suggests a perhaps unexpected reason - static electricity ⚑ We show that treehoppers can detect the electrostatic cues of predators and that their crazy shapes may boost their electrosensitivity! doi.org/10.1073/pnas...

24.07.2025 11:41 β€” πŸ‘ 411    πŸ” 166    πŸ’¬ 13    πŸ“Œ 38
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This book is a mix of science and history as it relates how British naturalists from the XIX century witnessed the extinction of the Great Auk, which largely contributed to the realisation that humans could drive species towards extinction.

24.07.2025 09:24 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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πŸ“’ We are recruiting!
Several projects are available and can be tailored to the candidate's profile. Most include confocal imaging/spatial OMICs technologies.
Please share and RT πŸ™

23.07.2025 14:37 β€” πŸ‘ 28    πŸ” 36    πŸ’¬ 1    πŸ“Œ 1

Thrilled to see our revised preprint now published in Nature Ecology & Evolution!
If you’re curious about how to build a bat wing by re-using existing gene programs, check out the link or the tutorial below. Big congratulations to all co-authors!! Thanks to reviewers!

www.nature.com/articles/s41...

17.07.2025 07:35 β€” πŸ‘ 35    πŸ” 13    πŸ’¬ 4    πŸ“Œ 2
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Nice new study on skin colour in ancient Europe. Interesting to see how recent is the emergence of light skin.

www.pnas.org/doi/10.1073/...

17.07.2025 12:35 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

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