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This collective brings together 4 Institut Curie units: Nuclear Dynamics (UMR3664), Genetics and Developmental Biology (UMR3215/U934), Physico-Chimie Curie (UMR168) and Cell Biology and Cancer. The consortium of these units uses state-of-the-art, interdisciplinary methods to provide quantitative insights into biological systems at all scales (subcellular, cellular, tissue, organism) in physiological and pathological contexts.

The collective brings together all the laboratories at Paris Observatory, focusing on the institution's core themes:

• celestial mechanics and reference systems, with unique expertise in France covering the entire field,
• time-frequency metrology and atomic interferometry, with the establishment of the French legal time base,
• the interstellar medium, with a particular focus on modeling and laboratory experiments
• stellar physics, with stellar seismology and astrometry,
• in situ studies of heliospheric plasmas and Earth-Sun relations,
• multi-disciplinary fields, such as the history of astronomical practices or land surfaces and atmospheres, at the interface of astronomy, physics and geosciences,
• technical skills, such as the development of Terahertz detectors for space applications, flight software sought by CNES, and new real-time computing architectures for ground-based instruments and radio astronomy,
• numerical skills in numerical simulation, particularly in the fields of gravitation, cosmology and plasmas.

The Institut Jean-Nicod is interested in a wide range of research topics in cognitive science, social science, philosophy of mind and language, and linguistics, in addition to cultural evolution and evolutionary psychology. Here are just a few examples of research topics:

• Philosophy of language: functions of language, relations between language and thought, semantics, pragmatics and logic.
• Philosophy of mind: the nature of consciousness, intentionality, perception, cognition and action, and the links between these different aspects of the mind.
• Philosophy of action: the study of intentions, beliefs, desires and choices that motivate human activity.
• Linguistics: semantics and pragmatics (formal and experimental approaches), sign languages (syntax, semantics, pragmatics), animal communication, semantics of gestures and music.
• Decision theory and the psychology of reasoning: study of the cognitive processes involved in decision-making and reasoning, including rationality, uncertainty and the complexity of choices.
• Social cognition: study of the mental processes involved in social interactions.
• Evolutionary psychology: study of the mechanisms of human thought based on the theory of biological evolution.
• Cultural evolution: studies of cultural phenomena, their biological and psychological bases, and their spatial and temporal distribution.

These fields of research are often interdisciplinary, involving collaborations between researchers in cognitive science, philosophy and linguistics.

Our collective draws on the experience of the Biology Department at ENS. Since 2017 we have been organizing a teaching module called "Immersion Expérimentale" (aka ImmEx). During this module, L3 Biology students at Ens insert themselves into our Institute's research teams to advance individual mini-projects assigned to them by the laboratories. Students thus participate in laboratory life, both in terms of the experiments they carry out and during labmeetings, journal clubs and discussions on the various projects of the team in which they are immersed. We propose to extend this scheme to L3 students from other establishments and PSL, thanks to the association of research teams from other departments at the ENS and the Collège de France.

The collective brings together all the LPENS and LKB teams working at the ENS and Collège de France sites.

The Laboratoire de Physique de l'ENS is a fundamental research laboratory whose themes cover a vast exploratory field ranging from statistical physics and fundamental interactions, to quantum materials and devices, fluids and their interfaces, astrophysics, biophysics and their applications.

The Laboratoire Kastler Brossel is a major player in the fundamental physics of quantum systems.Its activities are structured around 4 axes: quantum gases, quantum information and optics, atoms in dense and complex media, and tests of fundamental interactions in metrology.

The ENS Physics Department is offering to host students from PSL's physics bachelor's programs, to enable them to play an active role in research. The group is made up of the teaching staff of the ENS physics department and all the department's research teams.
Students will be hosted in 2 ways: either (A) by a research team, or (B) by ENS students in preparation for the Physics tournament.

The three ChimieParisTech-PSL laboratories at the heart of the collective cover different facets of Chemistry and its interfaces with physics and life sciences. The themes of the three laboratories involved cover a wide range of fields: from molecular and polymer chemistry, energy, materials and processes, surfaces and interfaces (IRCP), to molecular, medicinal, inorganic and theoretical chemistry, imaging and analysis and diagnostic systems, for applications ranging from biology to health (iCLeHS), to photovoltaics (IPVF). The three laboratories focus on integrated research, from upstream to downstream, and from fundamentals to applications.

This collective brings together the ESPCI's laboratories, which combine fundamental and applied sciences. The school is highly interdisciplinary (physics, chemistry and biology). ESPCI Paris - PSL is home to 10 mixed research units, all associated with CNRS or Inserm, operating at the frontiers of scientific knowledge and experimental know-how. They cover a wide range of fields, from environmental science to biomedical imaging, from neurobiology to microfluidics, from soft matter to quantum physics, from colloids to industrial prototyping.

All ESPCI Paris laboratories can be involved in hosting UROP interns.

The Jean Pépin Center is dedicated to the study of ancient doctrines, their formation, transmission and reception in humanist culture from the Renaissance to the Enlightenment, via medieval Arab, Byzantine and Latin knowledge. He develops cross-disciplinary approaches that combine philosophy, ecdotics and codicology, the history of science and technology, and theories of art. It is particularly interested in the constitution of intellectual and artistic heritages and their transmission.
EcdoTech was created by members of the Centre Jean Pépin's scientific information team, who wanted to deepen their research and development work around the theme of text publishing and the implications of using digital tools to describe, report and publish these texts.
EcdoTech is working on the "" project (xml-TEI encoding of a Venetian anthological manuscript), the bibliographic database, and offers a training seminar on text editing issues.
The EcdoTech collective welcomes students with a literary background (literature, history, philosophy) and an interest in ancient and modern publishing techniques. Through digital humanities, this collective offers an initial introduction to the digital processing of ancient sources (data structuring, encoding and critical editing).

The Lattice, located on the Montrouge site of ENS - PSL, brings together CNRS researchers, teacher-researchers, engineers, PhD students and post-docs. Research at the Lattice is conducted in the fields of linguistics (mainly syntax and semantics, but also morphology, lexis and pragmatics, with these different areas considered from a synchronic and/or diachronic perspective), computer science, automatic language processing (ALP) and digital humanities. Lattice develops both quantitative and qualitative approaches, based in particular on corpus analysis and computational experimentation.

Over the past forty years or so, the philosophy of science agenda at an international level has become more complex, with the emergence of sub-fields (e.g. the philosophy of biology, or the question of modeling), the inclusion of science in society and history (which had previously been outlawed as being part of the context of discovery) and, more generally, a new interest in actual scientific practices.This new context has given rise to a renewed interest in what is sometimes called French epistemology, i.e. the philosophy of science developed in France between the end of the 19th century and the 1970s.

The aim of a UROP course in this field is twofold:

• A thematic objective: to introduce students to the philosophy of science, with a particular focus on this field.
• A methodological objective: to teach students to apply the methods of the history of philosophy to a relatively recent period. More specifically, the collective's proposal is to introduce students to archival research. To this end, a number of archive collections have been identified for student internships: the ENS library (Couturat), the Beaune municipal archives and the Maison des sciences de l'homme in Dijon (Latour), CAPHES (Berr, Canguilhem, Costabel, Lecourt, Salomon-Bayet, Simon) and IMEC (Brunschvicg, Berr, Coumet, Desanti, Foucault, Grmeck).

The "Humanités dans le texte" scientific program aims to create a digital anthology of Greek and Latin texts translated and commented on the Odysseum-Eduscol platform and on the Savoirs-ENS and °Õ°ù²¹²Ô²õ±ô¾±³Ù³Ù±ð°ùæ websites, with permanent archiving (and DOI) on Nakala. The aim is to reaffirm the essential place of text and translation as the foundations of teaching the languages and cultures of Antiquity, and to show, through dialogue with specialists in other disciplines (literary and scientific), how ancient texts can nourish the questions of the present.Researchers, teacher-researchers, teachers in higher education, preparatory classes and secondary schools, students and enthusiastic specialists are invited to propose projects that could lead to transdisciplinary multimedia dossiers built around a text.

During the UROP internship with the "Humanités dans le texte" collective, students will be trained in translation and text commentary. They will study in libraries/archives/museums and take part in national days, courses and Ministry of Education training courses. They will learn to work in teams with other researchers/academics from very different fields, to achieve multidisciplinary insights into the text.

Students will also learn how to produce publications (text & images), lectures and podcasts (including recording, editing and publishing podcasts).

The aim of this collective is to introduce students to research, the university environment and specific areas of economics. The UROP internship lays the foundations for high-quality, high-impact research. The program focuses on regular meetings with members of the collective and full integration into the academic environment, in order to enhance the quality of the research.
The proposed internship format breaks down into two parts:

• A part supervised by the internship supervisor and a PhD student, involving participation in research tasks within the framework of a topic defined by the supervisor.
• A part common to all trainees, to teach them how to work in a group, read, summarize and critique scientific articles, and integrate into laboratory life.

The Women's Cancer Institute is proposing a ground-breaking project, unique and differentiating on an international scale, to :

• Better prevent and detect cancers, particularly in at-risk patients.
• Respond to the need for new therapeutic options tailored to women's anatomical location, biology and age, to reduce mortality rates, particularly in rare forms.
• Adapt cancer management to women's quality of life, and provide patients with comprehensive medical, psychological and paramedical support.
• Provide better training for professionals in the specific challenges of these cancers, and support new professions arising from the digital transformation of research and care.

The collective will be offering hospital internships in various medico-technical departments (imaging, pathology, genetics, immunology) or in certain care departments, for students with a variety of backgrounds (data analysis, programming, economics, chemistry, biology, human and social sciences, etc.).