With the emergence of new methods and technologies such as improved DNA analysis and big data, archaeological research has changed radically in recent decades. The researchers from the Department of Archaeological Sciences at the Faculty of Archaeology use new scientific knowledge to answer fundamental…

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.

Our research in the area of safety sciences aims to increase the mechanistic understanding of cellular toxicity of drugs and, in a broader sense, chemicals.

Gorlaeus Gebouw, Einsteinweg 55, 2333 CC, Leiden

In films kunnen de meest wonderlijke acties plaatsvinden. Maar zijn die acties in de 'echte' wereld ook mogelijk? En in hoeverre houden filmmakers ons voor de gek? Tijdens het Leiden International Film Festival komen film en wetenschap samen.

The two-year master’s programme in Computer Science at Leiden University offers seven specialisations ranging from AI to Bioinformatics and Data Science. The programme combines excellent theoretical teaching with possibilities for applied work with industrial relevance.

Social Science Matters is an online variant on London’s famous Speakers’ Corner – a platform for the researchers in the various disciplines in the Faculty of Social and Behavioural Sciences to react to the news. This soapbox gives our social scientists an opportunity to voice their opinions on current…

Politics is about the authorised allocation of values: who gets what, when and how much? This question is relevant at many different levels, in many different places and in very different ways.

How to facilitate the translation of science into innovation

The Open Science Lab bundles expertise on Open Science at CWTS and contributes to and studies the transition towards Open Science at CWTS, Leiden University, and beyond. It serves as a knowledge broker, facilitator, and platform for learning and exchange.

Are you a researcher eager to share your work with a broader audience? Do you want to develop your science communication skills and learn how to engage effectively with society? Then join our Summer School Science Communication in Leiden! Jointly organized annually by the Faculties of Science and Social…

The Biomedical Sciences Communication specialisation focuses on the interaction between science and society and concerns science communication in a broad sense. You combine your research training with different aspects of science communication. The entire programme is taught in English.

The research group Science Communication and Society aims to understand how science communication works to improve the interaction between science and society. Central themes are ‘Bridging the gap between experts and the general public’ and ‘Evaluating Science Communication’.

The research group Science Communication and Society has been physically within the Institute of Biology (IBL) since 2012 and has become a formal part of the institute in 2018. The mission of this group is understanding how science communication works to improve the interaction between science and s…

The Citizen Science Lab brings together scientists, citizens and community stakeholders to arrive at new insights for both science and society through citizen science.

The Data Science Research Programme aims to advance the state of the art in Data Science research and to accelerate the use of Data Science methods at all faculties of Leiden University.

Are you a researcher looking to share your work with a broader audience? Do you want to strengthen your science communication skills and make your research more accessible? Then we have an interesting opportunity for you: a Summer School in Science Communication, jointly organized by the faculties of…

At Leiden Bio Science Park (LBSP) Leiden University works together with the business community, the LUMC and the Municipality of Leiden.

The Faculty of Science is located at the Leiden Bio Science Park. It was founded more than two centuries ago and currently, more than 8000 people are working and studying at the eight institutes.

Leiden University's Citizen Science Lab supports and organizes initiatives where anyone can get started with scientific data and research. This is how we enrich research with insights from the community, make science accessible to all, and tackle important local issues together.

Do you like running? Then take part in the Leiden Science Run on The Leiden Science Run is a 4.44 km charity run at the Leiden Bio Science Park on 28 september 2019. In 2019 Leiden University will be 444 years old. This special birthday calls for a special celebration. That is why we have adjusted the…

Leiden University was taking part in the Weekend of Science in The Hague!

The aims of research and teaching within the Educational Sciences programme are to understand in how individuals develop and learn and to optimize education for all individuals.

The master’s programme Statistics & Data Science provides students with a thorough introduction to the general philosophy and methodology of statistical modelling and data analysis. The programme has two specialisations: Data Science and Statistical Science.

Making an impact by creating solutions for the challenges of the future. That’s what we do through our education and research in biodiversity and sustainability, artificial intelligence, complex networks, new medicines, quantum technology, and galaxies.

A fun challenge full of energy, teamwork and good vibes? On Saturday 21 June 2025, the Leiden Science Run was back!

In citizen science projects, citizens and scientists work together to develop new scientific knowledge.

There are five institutes at the Faculty of Social and Behavioural Sciences:

OSCL is a learning community where anyone associated with Leiden University can learn and talk about open science practices. Example events are Open Science cafés, workshops, and walk-in-hours. The what Open science is an umbrella term for an approach to science that aims to make scientific…

The mission of science based business (SBB) connects the domains of science, business, and policy. Scientific research we focus on at Leiden in areas such as artificial intelligence promises to reshape our societies for the better. Translating science into positive societal impact however requires new…

On Sunday 8 October 2023 the Faculty of Science of Leiden University opened its doors to everyone who is curious to explore the world of science. More than 750 people took a look behind the scenes, watched exciting demonstrations, stepped into the shoes of a scientist at numerous workshops and got to…

From black holes to artificial intelligence and from drug research to data science: welcome to the fascinating world of the Faculty of Science. Our researchers, students and guests regularly give public lectures about their work. You are welcome to attend.

The Leiden Science Run is a 4.5 km sponsor run in relay style across the Leiden Bio Science Park; a team consists of 4 people who each run 4.5 km. The race is organized by the Faculty of Science.

If you study Pedagogical Sciences in Leiden, you will be involved in the development of young people and children and how parents, teachers and social workers can contribute to this optimally.

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching in the disciplines of cultural anthropology, education and child studies, political science, psychology, science and technology studies, as well as in multidisciplinary approaches.

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…

The Science Council is an advisory committee to the Board of the Institute and consists of the full professors of the Institute.

We are becoming ever more dependent on automation systems in our daily lives. Computer Science is more than programming; you integrate maths and logic into the development of systems and solutions that can be applied in all fields - from business to healthcare.

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.

The Institute of Environmental Sciences (CML) at Leiden University is at the forefront of industrial ecology, environmental biology, and sustainability science.

Are you graduating at the Faculty of Science? Or are you supervising a PhD student? At the Graduate School of Science you find support at every phase of your PhD.

Business Studies spans science, medicine, and business, focusing on areas such as technology management, innovation, entrepreneurship, operations, and decision making.

Data Science (DS) and Artificial Intelligence (AI) are omni-present and have the potential to be incorporated in various fields. However, in order to live up to this expectation, a good understanding of the techniques, their implications and limitations is required. In this minor you develop insights…

At Leiden University’s Faculty of Social and Behavioural Sciences we keep in touch with our alumni in various ways.

How can we track biodiversity loss at the speed and scale needed to protect our ecosystems? The eDNA Citizen Science project combines cutting-edge environmental DNA technology with citizen science to enable residents, community groups, and local organizations to monitor aquatic and terrestrial biodiversity…

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.