The Centre for Science and Technology Studies (CWTS) is a research institute at Leiden University working on improving how science is practiced and governed and how it serves society.

The seminar series on ‘Diversity and Inclusion in Global Science’ aims to foster debate on inequalities in science across the world.

The Laboratory for Material Science, Technology and Culture (MATEC Laboratory) is a research and teaching facility dedicated to the scientific and cultural study of archaeological materials. We bring together a multidisciplinary team working at the intersection of materials science, archaeology, and…

The Educational Sciences programme group of the Institute of Education and Child Studies at Leiden University provides courses in the field of student education and the learning and development of children in the school context.

The Leiden Leadership Centre brings academia and practice together by organising events on public leadership – such as Leiden Leadership Lunches, webinars, (international) conferences, and the Leiden Leadership Podcast.

Responsible AI for science and a strong and resilient society.

There are around 300,000 people in the Netherlands who donate blood on a regular basis. Women can give blood up to three times a year and men up to five times, resulting in approximately one million blood donations each year. Patients that receive this donated blood are already in a vulnerable condition,…

Set up in 1991, this unique project aims to identify and describe the common lexical heritage of the most important Indo-European languages and language branches. The project has thus far resulted in twelve volumes published as The Leiden Indo-European Etymological Dictionary Series (Brill, Leiden).

This dissertation provides a thorough review of the words belonging to the oldest layer of Germanic loanwords in Proto-Slavic and answers the question of how these words were adapted to the Proto-Slavic accentual system.

How can party bans be justified? Which parties were banned in post-war Europe – and why? Do militant democracy instruments work? Is an international militant democracy concept in the making?

What does our faculty stand for and what will we do in the next five years? We are proud to present our new strategic plan that we made together. On this website you will find more information about what our Faculty stands for and what our course is for the coming years

This dissertation reports on the pedagogical content knowledge (PCK) of science teachers during a professional development program. This research intended to help us understand why and how teachers make their classroom decisions as they teach science.

SAILS aims to forge links between the different disciplines at the University and to initiate new academic partnerships.

Egyptologist Marleen De Meyer has been appointed the new Director of the Netherlands-Flemish Institute in Cairo (NVIC). Dr De Meyer has worked for the institute, which promotes Egyptian, Dutch and Flemish collaboration in the field of education and research, since 2016.

Read more about the International Network Open Science & Scholarship Communities in our Vision and Mission statements.

'Meet and greet' with the directors of Leiden University’s Institutes Abroad (18 September)

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

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

The master’s specialisation Bio-Pharmaceutical Sciences and Industrial Pharmacy at Leiden University examines safety and quality control in the production of medicinal products, and prepares students for a career in Quality Assurance and Quality Control in the biotechnological and pharmaceutical ind…

The master’s specialisation Bio-Pharmaceutical Sciences and Business Studies at Leiden University combines fundamental and applied research with different aspects of business studies.

Ralph Keuning, the former director of Museum de Fundatie, a museum for the visual arts in Zwolle, stepped down in 2022 following complaints about authoritarian leadership. On top of that, an independent investigation has shown that he received almost €200,000 from the struggling museum after his departure.…

Patterned detectors are an existing technology that can be found in almost all color cameras.

Big Science, commonly defined as conventional science made big in three dimensions, namely organizations, machines, and politics, brings a plethora of different stakeholders together, often for a long period of time. This includes policymakers, scientists, (scientific) managers as well as local “host”…

This UNESCO Chair at CWTS aims to contribute to UNESCO’s agenda to foster diversity and inclusion in science. The chair has two main lines of work:

This dissertation describes several studies concerning the research-teaching nexus in the sciences.

Carl Li defended his thesis on 30 June 2015

UnMiSSeD studies the interaction between misinformation and science in societal debates using a mixed qualitative-quantitative approach.

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…

Our mission: a positive impact. Our vision: community. By involving the world around us in our education and research we make a positive impact. We do this by applying Open Science.

Change requires community. Become a member of OSCL today!

OpenML empowers scientists to conduct transparent, reproducible, and collaborative AI-driven research.

Environmental challenges such as plastic pollution and biodiversity loss require extensive monitoring. Citizen science, in which members of the public participate in scientific research, has therefore become an important approach in environmental science.

A logical next step and a new challenge: Harold Linnartz is ready for his new position as Programme Director (PD) of the Leiden Observatory. He will follow up current PD Paul van der Werf on 1 October. 'The programme has grown tremendously. That will be a logistics tour de force.'

Astronomer and Marxist Anton Pannekoek was a remarkable figure. This book aims to study the connections between his life as a socialist theorist and as a pioneering scientist through the prism of Pannekoek's biography.

Data science is now growing fast in many places, but scholars at Leiden University have been developing data science techniques for a long time already. Thanks to their broad-based expertise, Leiden statisticians are currently combining the achievements in statistics with the latest methods of statistical…

To answer questions that look beyond individual entities, network science studies the interactions taking place in complex systems. These complex systems can often have temporal information on when an interaction occurs.

This project will transform OpenML, a platform for sharing and creating datasets and AI models transparently and collaboratively, into a next-generation open science infrastructure.

The Museum enjoys the highest reputation internationally

This thesis was embedded in the APELAFICO project and focussed on investigating effects of sound from North Sea offshore wind farms on pelagic fish and harbour porpoise.

PhD candidates carry out a programme of independent research and additional limited) course work, culminating in production of a PhD thesis in typically 4 years.

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

The Faculty of Social and Behavioural Sciences provides its ca. 5000 students with a thorough education in the social and behavioural sciences. The student population is very diverse and international in nature.

Dear friends of the NVIC,