Leiden pharmacy and pharmacology has risen to 17th place in the QS World University Rankings by Subject. In 2016 it was in 21st place in this annual ranking of leading universities in 46 disciplines.

Two former Bio-Pharmaceutical Sciences students win the KNMP Student Award this year. Esmée de Zwaan for her research into new therapeutic strategies, Sanne Bakker for a study of bleeding risk associated with the use of antidepressant SSRI. Pharmacy organization KNMP awarded the annual prize on 8 October…

The winner of the Paul & Tatiana Ehrenfest physics thesis prize 2020 is Koen Bastiaans. He carried out his PhD research in the group of Milan Allan and defended his thesis in December 2019 cum laude at Leiden University.

Environmental researcher Paul Behrens generated both international as national media attention with his recent publication in Nature Energy. The media included Science Daily, Quartz and the Dutch financial newspaper Financieel Dagblad. In his publication, Behrens warns for possible power disruptions…

A new plant species was named after Paul Kessler, prefect of the Leiden Hortus botanicus. Kessler discovered the small tree, which is related to the kiwifruit, himself.

During the congress of the Royal Dutch Association for the Advancement of Pharmacy (Koninklijke Nederlandse Maatschappij ter bevordering der Pharmacie, KNMP) Jacqueline Gerritsen, former student Bio-Pharmaceutical Sciences at Leiden University, was awarded the KNMP student prize.

This year Leiden University exists for 444 years! This will be celebrated together with the residents of Leiden and The Hague during various activities. One of these is scientists and residents doing research on plastics and psychology together.

Associate Professor of Physical Geography Paul Hudson at Leiden University College was interviewed by TIME Magazine on the Mississippi floods that have been harassing the United States this year.

Paul van Trigt and Anna Derksen, both researchers in the project 'Rethinking Disability', received grants for research abroad.

For the first time, research has been conducted on how the health of detained persons prior to their detention differs from that of non-detainees and to what extent health problems change over the period: from before and after their detention.

Here is an interview of Susanna Lindberg made in 2023 by Bart Buseyne and Paul Cruysberghs and published in 2025 in La Deleuziana: « Il va falloir inventer » – Susanna Lindberg en conversation

Paul Wouters came to the Faculty of Science for a few months to help with organising day-to-day issues after the previous dean left. This has involved rather more than he expected. ‘I can now really understand why every faculty has its own dean.’

In this master programme you learn interdisciplinary approaches to address scientific and societal challenges in the field of (bio)medical sciences. The research in our programme Biomedical Sciences relates to the maintenance of health and prevention of disease. You will acquire a skill set suitable…

On 16 November, Scottish artist and post-doctoral scholar at ACPA, Janice McNab was a visiting artist at the Paul Branch Visiting Artist Lecture Series of CalArts in California.

George Floyd's death still leads to fierce protests against police violence and racism on a daily basis in the United States and abroad. We asked Paul Wouters how he experiences these developments and what this will mean for our faculty.

This book explores how physicists, astronomers, chemists, and historians in the late nineteenth and early twentieth centuries employed ‘epistemic virtues’ such as accuracy, objectivity, and intellectual courage. In doing so, it takes the first step in providing an integrated history of the sciences…

Peter Paul van Benthem is not only head of the ENT department at the LUMC but also chair of the Federation of Medical Specialists. ‘The value is in the mix.’

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

Corporate R&D organizations and their relation to academic laboratories.

They were called 'annoying brats', the group of campaigning scientists who in 1978 founded what is now an internationally acclaimed ecological research institute. Their stories and those of the current staff of the Institute of Environmental Sciences are described in the book 'Forty years of Leiden…

From 1550 onwards, a great interest in the natural world developed across Europe. This interest was not only stimulated by a growing knowledge of local flora and fauna, but also by the import of numerous exotic animal and plant species. Think, for instance, of researches and collectors like Gessner…

Principles of Environmental Sciences provides a comprehensive picture of the principles, concepts and methods that are applicable to problems originating from the interaction between the living and non-living environment and mankind. Both the analysis of such problems and the way solutions to environmental…

Science Internship Fair, a Fair for students and companies to meet up for internships. Matching to find the right student for the right internship. student information page for this event.

The CS-NL network is a vibrant and active community of Citizen Science practitioners, initiators, researchers and participants from across all corners of society (Academia, Industry, Government, Civil Society, and Citizens) who come together to share knowledge and know-how for participatory research…

These are the staff members of the Leiden - Latin America and the Caribbean Centre

Is it possible to formulate a new conceptual foundation for attributing an evaluative role to historiography of science, without relinquishing the historiographic sensitivity of recent work in the discipline?

The overall objective of ECS is to widen and strengthen the European Citizen Science community through capacity building and awareness raising activities such as the creation of a European Citizen Science Academy and the establishment of a network of 28 ECS Ambassadors.

PathOS aims to contribute to a better understanding and measurement of Open Science impacts and their causal mechanisms. This is pivotal in order to develop effective OS policy in the EU (European Union). It will do so by collecting concrete evidence of OS effects, by studying the pathways of OS practices,…

Professor Herman Paul has been appointed Scientific Director of the Institute of History from 1 February 2025. ‘Especially in these times, transparency is essential.’

In August it was announced that Jeff Fynn-Paul was named co-recipient of a 15,000 EUR grant given by the Spanish Ministerio de Economía y Competitividad (MINECO).

Sarah de Rijcke and Paul Wouters (CWTS) are partners in a new European consortium funded by the Swedisch Riksbankens Jubileumsfond: Knowledge in science and policy.

The mission of the Plant Science research programme is to contribute to the sustainable production of high quality crops, flowers and high-value bio-based products. This is realised by generating fundamental knowledge of basic biological processes related to development of plants and their interaction…

Thijs Bosker and Paul Behrens, Professors in Environmental Sciences at Leiden University College in The Hague, have received funding from the Leiden University Fund and the Gratama Foundation to work on developing a set of Local Actions: tangible and practical exercises that students can engage in…

On 1 September 2017, Prof. dr. Paul H.A.M. Abels (60) will start as professor by special appointment of Governance of Intelligence and Security Services at Leiden University. This chair is placed at the Institute for Security and Global Affairs (ISGA).

In a packed lecture hall at Wijnhaven, Nobel Prize winner Paul Krugman succinctly summed up the essence of his argument on Wednesday 17 September: ‘Running a good society is hard’. His lecture held up a mirror to economists and policymakers.

Lecture, Tuesday Talk

Professor Paul van der Heijden (International Labour Law) has been awarded a grant of 50,000 euros by the city council of The Hague to start building a Business & Human Rights database.

Professor Paul van der Heijden (international labour law Leiden University) has been appointed the honorary Marcel Storme chair at the University of Ghent. The Marcel Storme chair is a rotating professorship at the law faculty of the University of Ghent which according to the regulations is solely…

Paul van der Heijden, professor emeritus International Labour Law, was recently appointed by the British Minister for Trade as an independent arbitrator under the dispute settlement provisions of the United Kingdom’s Free Trade Agreement (FTA) with Japan.

Most of us know that Venice, Genoa, and Florence were major Mediterranean powers during the Renaissance. But did you know that in terms of trade and sea power, Barcelona was probably more powerful than two of these three?

Following the murder of two Dutch people - of which Iran is suspected - Trouw investigates how usual these practices are. Paul Abels, Professor of Intelligence Studies and Ben de Jong, Researcher, both working at the Institute of Security and Global Affairs (ISGA), will address the subject.

Constant Hijzen, assistant professor at the Institute of Security and Global Affairs (ISGA), spoke about the Law on intelligence and security services in the NRC. In the column ‘Twistgesprek’ (dispute) of the NRC Hijzen has a written conversation with the director of Bits for Freedom, Hans de Zwart,…

USMCA (North American Free Trade Agreement) is the successor to NAFTA – a free trade zone covering Canada, the United States and Mexico. This Agreement includes a new procedure to ensure compliance with fundamental labour rights.

Since Thursday 19 October, the name Faculty of Science flaunts on the façade of phase 2A! We are getting closer and closer to the completion of the impressive new Gorlaeus Building.

Over the past few hundreds of years, the world has changed radically. However, cultural stereotypes from the 17th century are still alive and well today, and even academic researchers sometimes use terms coined centuries ago. Why do they do that? Herman Paul, Professor of the History of the Humanities,…

Dutch knowledge institutions are taking steps to recognise and reward open science. On 13 December, the Open Science NL Steering Board approved a total of 1.2 million euros in grants to 23 institutions. The Centre for Science and Technology Studies (CWTS) leads the national coordination of the local…

In comparing a selection of 18th-century histories to a representative sample of 19th-century histories of science, this project inquires: Which early modern vices persisted into the 19th century and to what extent were those vices embodied in anecdotes, conveyed through commonplaces, or symbolically…

We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.

Paul Christiaan Flu, originally from Surinam, was a brilliant tropical doctor, who in 1938 rose to the position of Rector Magnificus of Leiden University. The war years brought his lightning career to an abrupt end: his son was murdered and he himself was imprisoned in a concentration camp. A sad family…