The ability to collect and interpret huge quantities of data has become indispensable to society and academia. Leiden University is a knowledge and expertise centre for data science that places the emphasis on interdisciplinary collaboration and innovation.

From where litter ends up to which languages are spoken in Leiden and The Hague: over 50 interesting, surprising, complex and entertaining questions were sent in for the Citizen Science project to mark our 444th anniversary. Not one but two Citizen Science projects will be starting this year in Leiden…

This collection of papers was compiled in celebration of the remarkable academic career of Professor Wil Roebroeks, who has established himself as one of Europe’s leading figures in Palaeolithic archaeology over the past three decades and founded the Human origins research group at Leiden University…

On this page you find all the ways through which the Institute of Psychology aims to foster Open Science.

Citizen science has recently become a widely used term, but what does it mean exactly? How does citizen science compare to crowdsourcing? And where does community archaeology stand in this discussion?

The majority of scientists, from archaeologists through to zoologists, collect enormous volumes of data. Their massive databases contain large amounts of information which is difficult for humans to filter. With a solid grounding in statistics and computer science, we can develop algorithms for analyzing…

The Institute of Political Science is a vibrant department with nearly 70 academic staff in Leiden and nearby The Hague.

Are you thinking about studying Biomedical Sciences? Learn more and watch a short promo video.

The Department of Archaeological Sciences seeks to achieve the highest standards of excellence in science-driven education and archaeological research across the globe and across all periods.

Computational thinking, programming, and algorithms form the basic of many of the things that are shaping our world, the way we work, interact, organize ourselves, and even spend our free time with social networks, streaming media, and games. And this transformation is far from being complete, it is…

In context of Anne Helder’s defense of her doctoral thesis, we had the pleasure to welcome Prof. Kate Cain for a symposium last week.

Are you thinking about studying Political Science? Watch the introduction video’s and learn more!

The majority of scientists, from archaeologists through to zoologists, collect huge volumes of data. Their massive databases contain large amounts of information which is difficult for humans to filter. With a solid grounding in statistics, we can develop algorithms for analysing and identifying patterns…

BE-OPEN is a structural project funded under the Erasmus+ Capacity Building in Higher Education action. The project is coordinated by the University of Novi Sad, Serbia. The main objective of the project is to develop conditions for the implementation of the core principles of Open Science at universities…

Fate and toxicity of copper nanoparticles was related to the water chemistry of the environment and pristine size.

Are you thinking about studying Computer Science? Learn more and watch the videos. Note: As of September 2025 you can also combine this master programme with the Business Studies specialisation.

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

On November 28 prof. dr. Marcel Cobussen will give his inaugural lecture, Towards a (New) Sonic Ecology, in the Groot Auditorium of the Academiegebouw.

Prof. Dr. Ir. Marin van Heel, Emeritus Professor at the Institute of Biology Leiden (NeCEN), is one of the winners of the “Wiley Prize in Biomedical Sciences 2017”. This annual award is presented to recognize contributions that have opened new fields of research or have advanced concepts in a particular…

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.

The master’s specialisation Bio-Pharmaceutical Sciences and Science Communication & Society at Leiden University is a two-year programme which combines research training in chemistry with one in techniques of communication.

On Tuesday 26 February 2019, Prof. Corinne Dettmeijer has given a guest lecture to students of the master programmes Child Law (Jeugdrecht) and International Children’s Rights. Prof. Dettmeijer holds the Cleveringa Chair at Leiden University.

You are invited to sign in for the Tabula Gratulatoria for a volume that has been composed for the occasion of Prof. Dr Marc Boone’s retirement.

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…

At the Institute of Political Science we value our alumni. We can learn from you, and would like to contribute to your further development. And, of course, we want to lend a hand in connecting ‘our’ political scientists all over the world.

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.

PhD candidates carry out a programme of independent research, leading to a PhD thesis in typically 4 years.

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.

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 in Science Communication in Leiden! Jointly organized by the Faculties of Science and Social…

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.

Prof. Benno F. Galjart, Professor Emeritus at the Institute of Cultural Anthropology and Development Sociology of Leiden University, has passed away last Wednesday, 10 February 2016, at the age of 82.

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.

How to facilitate the translation of science into innovation

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’.

Find an (online) event and/or discuss what OS means to you with a colleague! Anytime, but especially this OS week!

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…

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

Do you want your research to have meaning beyond your academic peers? Whether you work in the natural sciences, social sciences or humanities, communicating your work to a broader audience can lead to new insights, unexpected collaborations and opportunities to contribute to societal challenges and…

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.

Improved molecular knowledge of the mechanisms of processes in the cell can lead to better medicines and new or advanced methods for combating diseases. Our MSc students in Life Science and Technology (LST) specifically learn to understand the molecular and structural chemical and biological aspects…

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.

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

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…