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Posts by Mathilde Tahar

Save the dates !!

1 week ago 2 0 0 0
Why the cat wags her tail
Here's a puzzle: how could evolution favour such a costly, frivolous and fun activity as animal play?
by Mathilde Tahar-Malaussena

Why the cat wags her tail Here's a puzzle: how could evolution favour such a costly, frivolous and fun activity as animal play? by Mathilde Tahar-Malaussena

A year ago !!!
« I am very happy to share this piece, exploring the link between inventiveness and play in our fellow nonhuman animals. It was written with care and a sincere desire to convey what science and philosophy can teach us about this fascinating topic. »

aeon.co/essays/how-e...

1 week ago 13 3 1 0
Seminar Agency between Biology and
Philosophy 2025/2026
Here, you will find the 2025-2026 programme, and general information about our seminar.
The introductory post can be found here.
Next session
8th of April, 4 to 5 UK time
Session led by Denis Walsh
Topic: Ecological Agency: A metaphysics for Dialectical Biology
Join Zoom Meeting:
https://ucl.zoom.us/j/94845332305
Meeting ID: 948 4533 2305

Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here. Next session 8th of April, 4 to 5 UK time Session led by Denis Walsh Topic: Ecological Agency: A metaphysics for Dialectical Biology Join Zoom Meeting: https://ucl.zoom.us/j/94845332305 Meeting ID: 948 4533 2305

Hello everyone !
Our Agency Between Biology and Philosophy seminar is coming back ! I am very happy (and honoured) to say that Denis Walsh will be leading this session, on Ecological Agency.
=> Zoom
=> 8 April from 4 to 5 PM, UK time
=> how to join? Here:
www.animalinventiveness.com/post/seminar...

2 weeks ago 1 0 0 0
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Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here.ProgrammeThis year, we will meet each second Wednesday of each month, fr...

The next session of our transdisciplinary (biology-philosophy) seminar on Agency will take place this Wednesday on Zoom !

Hugh Desmond will talk about agency and cognitive capacities!

More info on how to join us here: www.animalinventiveness.com/post/seminar...

3 weeks ago 6 3 0 0
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Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here.ProgrammeThis year, we will meet each second Wednesday of each month, fr...

The next session of our transdisciplinary (biology-philosophy) seminar on Agency will take place next Wednesday. Marek Ć pinka will talk about play in nonhuman animals,
and I expect it to be super cool ! 😎

More info here :
www.animalinventiveness.com/post/seminar...

2 months ago 23 6 0 0
Le temps du vivant; avec un texte d’Henri Bergson

Le temps du vivant; avec un texte d’Henri Bergson

Le vivant. Les espÚces évoluent; l'organisme vieillit;
nous parlons d'histoire naturelle comme de mĂ©moire individuelle pour rendre compte de l'imprĂ©visibilitĂ© des formes biologiques. Mais que signifie, pour le vivant, de durer ? La diffĂ©rence de l'inerte et du vivant se joue aussi et mĂȘme surtout dans la distinction des modes de temporalisation. Le temps en biologie a en effet un sens qu'il n'a pas en physique : il est synonyme d'inventivitĂ©.
Durer, pour les espĂšces comme pour les individus, c'est en effet se transformer de façon singuliĂšre, dans des situations toujours uniques. Si la thĂ©orie de l'Ă©volution a mis au premier plan la dimension historique du vivant et l'imprĂ©visibilitĂ© de ses trajectoires, les consĂ©quences pour la science qui l'Ă©tudie, dans ses objets comme dans ses mĂ©thodes, doivent encore ĂȘtre Ă©valuĂ©es. L'enjeu n'est pas seulement thĂ©orique. Parce que la crĂ©ativitĂ© du temps biologique passe par la diversitĂ© des rythmes
propres à chaque organisme, ce sont également nos pratiques et nos relations avec les autres vivants
qu'il convient de repenser.

Le vivant. Les espĂšces Ă©voluent; l'organisme vieillit; nous parlons d'histoire naturelle comme de mĂ©moire individuelle pour rendre compte de l'imprĂ©visibilitĂ© des formes biologiques. Mais que signifie, pour le vivant, de durer ? La diffĂ©rence de l'inerte et du vivant se joue aussi et mĂȘme surtout dans la distinction des modes de temporalisation. Le temps en biologie a en effet un sens qu'il n'a pas en physique : il est synonyme d'inventivitĂ©. Durer, pour les espĂšces comme pour les individus, c'est en effet se transformer de façon singuliĂšre, dans des situations toujours uniques. Si la thĂ©orie de l'Ă©volution a mis au premier plan la dimension historique du vivant et l'imprĂ©visibilitĂ© de ses trajectoires, les consĂ©quences pour la science qui l'Ă©tudie, dans ses objets comme dans ses mĂ©thodes, doivent encore ĂȘtre Ă©valuĂ©es. L'enjeu n'est pas seulement thĂ©orique. Parce que la crĂ©ativitĂ© du temps biologique passe par la diversitĂ© des rythmes propres Ă  chaque organisme, ce sont Ă©galement nos pratiques et nos relations avec les autres vivants qu'il convient de repenser.

À paraĂźtre cette annĂ©e chez Vrin !
Le temps du vivant, discussion de Bergson Ă  l’aune de l’histoire de la biologie et des dĂ©couvertes contemporaines

2 months ago 4 1 0 0
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Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here.ProgrammeThis year, we will meet each second Wednesday of each month, fr...

Tomorrow is the first session of the 2026 edition of our online seminar on animal agency!
This session will be led by Lisa Yon and will explore ways to promote agency in captive animals (especially elephants!). 🐘
Hoping to see many of you!

www.animalinventiveness.com/post/seminar...

3 months ago 16 4 0 0
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Le chagrin des animaux : mythe ou rĂ©alitĂ© ? - Regarder le documentaire complet | ARTE Que ressentent les animaux face Ă  la mort de leurs congĂ©nĂšres, et qu’en comprennent-ils ? À travers des exemples passionnants, une exploration d’un champ d’études en plein essor : la thanatologie anim...

In 2024, my colleagues and I organized the @evothan symposium, bringing together experts in comparative thanatology from around the world.
At the time, a French documentary team captured many of us in action: now available to watch here (w/ Eng subtitles): www.arte.tv/fr/videos/11...

#animalgrief

4 months ago 5 5 0 0
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Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here.ProgrammeThis year, we will meet each second Wednesday of each month, fr...

The next session of our online seminar is tomorrow !!

Angie Pepper will be presenting, on the topic « A good life or their own life? Rethinking nonhuman animal interests in freedom ».

Relevant information can be found here : www.animalinventiveness.com/post/seminar...

You’re welcome to join!

4 months ago 5 1 0 0
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Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here.ProgrammeThis year, we will meet each second Wednesday of each month, fr...

Next session is tomorrow !
Come and join us to unveil the mystery of animal agency (or just try to make sense of the concept actually
)! Daria Zakharova will be presenting.
www.animalinventiveness.com/post/seminar...

5 months ago 4 1 0 0
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This is a book I am really looking forward to read 😍 : The Arrogant Ape by @christinewebb.bsky.social (spoiler alert: we are the said arrogant apes)
Will report once done đŸ“šđŸ€“

5 months ago 8 1 0 0
A picture of Berlin at night, fireworks are going off in the background and corvids are flying in the air.

A picture of Berlin at night, fireworks are going off in the background and corvids are flying in the air.

A picture of a hooded crow in a water puddle on the street. Some lights in the background.

A picture of a hooded crow in a water puddle on the street. Some lights in the background.

Picture of the Berlin skyline at night. Corvids are flying in the air.

Picture of the Berlin skyline at night. Corvids are flying in the air.

As Bonfire Night approaches, new research lnkd.in/epBXK8Tu by @distrustful-dinos.bsky.social and me shows that fireworks significantly disturb urban corvids. OA: ecoevorxiv.org/repository/d...

#BonfireNight #Wildlife #AnimalWelfare #Corvids

📾 Photo: @distrustful-dinos.bsky.social

5 months ago 20 8 2 0
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Seminar Agency between Biology and Philosophy 2025/2026 Here, you will find the 2025-2026 programme, and general information about our seminar. The introductory post can be found here.ProgrammeThis year, we will meet each second Wednesday of each month, fr...

Our seminar on animal agency, between biology and philosophy, is back !
Check out the programme for the next sessions here !
We meet on the second Wednesday of each month, on Zoom, from 4 to 5 PM (UK time).
You’re very welcome to join ! :)

www.animalinventiveness.com/post/seminar...

5 months ago 7 1 0 0
Du finalisme en biologie | PUF

Merci à Renan Strauss et @laviedesidees.bsky.social pour cette généreuse recension de mon livre ! Paru aux @editions-puf.bsky.social et disponible dans beaucoup de librairies : www.puf.com/du-finalisme...

7 months ago 1 0 0 0

@editions-puf.bsky.social

7 months ago 0 0 0 0
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Merci à Renan Strauss et @laviedesidees.bsky.social pour cette généreuse recension de mon livre ! Paru aux PUF et disponible dans beaucoup de librairies : www.puf.com/du-finalisme...

7 months ago 2 1 1 0
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L'élan vital aujourd'hui Peut-on confronter la philosophie bergsonienne aux problÚmes de la biologie contemporaine de l'évolution ? Entre finalisme et mécanisme, M. Tahar montre la fécondité toujours actuelle de l'élan vital.

Peut-on confronter la philosophie bergsonienne aux problÚmes de la biologie contemporaine de l'évolution ? Entre finalisme et mécanisme, M. Tahar montre la fécondité toujours actuelle de l'élan vital.

7 months ago 3 2 0 2

"Comme l’histoire humaine, celle de la vie est imprĂ©visible et n’offre que rĂ©trospectivement l’illusion d’un enchaĂźnement causal dĂ©terministe."

À lire aujourd'hui sur @laviedesidees.bsky.social, la recension par Renan Strauss de 'Du finalisme en biologie' de @drmathildetahar.bsky.social —

7 months ago 3 2 1 0
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L’élan vital aujourd’hui À propos de : Mathilde Tahar, Du finalisme en biologie, Puf

« Avec son propos clair et bien documentĂ© d’un point de vue scientifique, Mathilde Tahar a sans conteste rĂ©ussi Ă  dĂ©poussiĂ©rer Bergson. GrĂące Ă  son travail, on comprend ce que la philosophie bergsonienne peut avoir de stimulant pour penser l’évolution aujourd’hui. »

laviedesidees.fr/L-elan-vital...

7 months ago 1 0 1 0
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Il y a un an, je finissais mon livre


www.puf.com/du-finalisme...

9 months ago 2 0 0 0
Title: au revoir les philosophes
France used to revere its intellectuals but the men moaning about le wokisme are intellectual lightweights 
By Emily Herring 16 jul 2025
A photo of Jean-Paul Sartre talking to two women

Title: au revoir les philosophes France used to revere its intellectuals but the men moaning about le wokisme are intellectual lightweights By Emily Herring 16 jul 2025 A photo of Jean-Paul Sartre talking to two women

I wrote about the slow death of the French public intellectual
app.thenewworld.co.uk/story/138799...

9 months ago 169 39 6 8
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I wonder, if we truly believe we are so much better than other species, why have we spent thousands of years driving home the point?

9 months ago 61 10 6 2
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The Machine Stops The neurologist Oliver Sacks on steam engines, smartphones, and fearing the future.

In a letter drawn from a posthumous collection of correspondence, published in 2019, the neurologist Oliver Sacks argued that society had no immunity to the seductions of digital life. “What we are seeing—and bringing on ourselves—resembles a neurological catastrophe on a gigantic scale,” he wrote.

9 months ago 2812 759 72 60
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Great paper on the degrees and levels of innovativeness, contributing to the ongoing debate on how to compare innovations & the ability to innovate !!
(Nb. to be distinguished from the propensity to invent, which we are studying in chacma baboons @animalinvention.bsky.social ).

9 months ago 10 4 0 0

đŸ”„New paper out!đŸ”„

Here, Grant & I defend a novel, multidimensional account of behavioural innovativeness that is multilevel too. This complicates comparative claims, as the links btwn individual & group innovativeness are far from straightforward.

Yes, #Neanderthals do pop up in the mix 💀đŸș
#philsky

9 months ago 29 8 0 0

"L'animal est omniprĂ©sent dans l'Ɠuvre de Bergson, apparaissant comme un modĂšle nĂ©cessaire Ă  la fois pour penser l’humanitĂ©, et pour la replacer dans le mouvement gĂ©nĂ©ral de l’évolution." đŸđŸŠ©đŸ˜đŸ’

Penser l'animal avec Bergson, par @drmathildetahar.bsky.social —

9 months ago 2 2 0 1
Penser l'animal avec Bergson Les découvertes de la biologie contemporaine donnent un contenu empirique à l'idée bergsonienne selon laquelle les animaux insÚrent de l'indétermination dans le monde. Bergson apparaßt dÚs lors comme le complément philosophique nécessaire aux avancées de l'éthologie et de la biologie de l'évolution.

Les découvertes de la biologie contemporaine donnent un contenu empirique à l'idée bergsonienne selon laquelle les animaux insÚrent de l'indétermination dans le monde. Bergson apparaßt dÚs lors comme le complément philosophique nécessaire aux avancées de l'éthologie et de la biologie de l'évolution.

9 months ago 3 4 0 2
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Mieux comprendre les animaux en mĂȘlant philosophie bergsonienne et biologie contemporaine, c’est ma niche Ă©cologique đŸŒ±
J’y parle de Bergson (Ă©videmment), de babouins, de corbeaux, et de la mode du chapeau-saumon 🐒 🐩‍⬛ 🐳

laviedesidees.fr/Penser-l-ani...

9 months ago 7 2 0 1
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Éthologie : Dans la tĂȘte des animaux Pouvons-nous penser comme la chauve-souris, jouer comme le poulpe ou encore collaborer comme le corbeau avec le loup ? Tous ces animaux perçoivent-ils et ont-ils conscience d’eux mĂȘmes comme nous l’en...

Notre discussion avec @fmoullard.bsky.social sur la conscience animale, guidée par Fabien Trécourt, est désormais disponible en podcast!
On y a parlĂ© du jeu des poulpes🐙, des collaborations entre loups et corbeauxđŸș 🐩‍⬛et de ce que ça fait d'ĂȘtre une chauve-souris 🩇!
smartlink.ausha.co/soirees-phil...

9 months ago 3 1 0 1
The last session of our seminar before the summer break will take place next Thursday! We will be discussing the possibility of connecting (or not) the different concepts of biological agency.
I will be leading the session!
(Note: I am on maternity leave to take care of my newborn daughter, and I chose to lead this last session; no one forced me to! That's how passionate I am about the subject... or how much of a workaholic I am)
You're very welcome to join us through Zoom.
More infos on the seminar to be found here :
https://www.animalinventiveness.com/post/seminar-agency-between-biology-and-philosophy-first-session-report-and-
upcoming-sessions
Please feel free to email me if you have any questions :)

The last session of our seminar before the summer break will take place next Thursday! We will be discussing the possibility of connecting (or not) the different concepts of biological agency. I will be leading the session! (Note: I am on maternity leave to take care of my newborn daughter, and I chose to lead this last session; no one forced me to! That's how passionate I am about the subject... or how much of a workaholic I am) You're very welcome to join us through Zoom. More infos on the seminar to be found here : https://www.animalinventiveness.com/post/seminar-agency-between-biology-and-philosophy-first-session-report-and- upcoming-sessions Please feel free to email me if you have any questions :)

The next session of our seminar will take place on Thursday! I will be leading this session.
(Note: I am on maternity leave, and chose to lead this session! That's how passionate I am about the subject!)
You're very welcome to join us through Zoom!
www.animalinventiveness.com/post/seminar...

10 months ago 1 0 0 0