What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?

What does it mean for a citizen to be ‘literate’ in astronomy? Astronomers who participate in outreach to the general public experience various degrees of astronomical knowledge among people. But so far, there had not been a systematic evaluation and definition of what astronomical literacy actually…

Researchers, civil servants and local residents met on 27 September to talk about partnering for sustainability. What were the results? In a green ‘city oasis’ in the centre of The Hague they spoke about the energy transition, bottom-up initiatives and citizen science.

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…

NestWatch uses smart birdhouses to research how the city affects the development of young birds.

How humans and rats cohabit the cityscape and what consequences this has for both sides of the conflict?

The Astronomy & Society Group provides the focus for Leiden Observatory’s aim to engage the public with the wonders of the universe and share the scientific, technological, cultural and educational aspects of astronomy with society.

In the research programme Microbial Sciences we perform state-of-the-art research in the field of biotechnology and microbial sciences.

We are happy to welcome you to spend a semester or year studying with us at the Faculty of Science. Find information on your course schedules, enrolment and more on these pages.

The master's specialisation Data Science: Computer Science at Leiden University provides students thorough knowledge and understanding of statistical and computational aspects of data analysis, including their application in databases, advances in data mining, networks, pattern recognition, and deep…

There are eight institutes at the Faculty of Mathematics and Natural Sciences:

Nothing lasts forever. On the left you will find all of the Citizen Science Lab's completed projects.

The Faculty of Science

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

The research programme Statistical Science is concerned with the analysis and interpretation of masses of data, the quantification of uncertainty using probability models, and the development and benchmarking of algorithms and methods with these aims.

On Friday 4th February 2022 we welcomed in hybrid format (in person and online live streaming) 154 registered participants, of which 97 online, to present the first results of the Food Citizens? ERC Consolidator project.

This NWO-funded research programme focuses on the assumptions and methodology of the writing of history of science. History of science is in many respects a flourishing discipline: it currently yields an impressive volume of studies. Systematic reflection about the ways in which history of science may…

This project introduces primary school children (8-12 years) to science and archaeology.

In the summer of 2023, interested parties set out to map air quality in Leiden. Using a technique by British artist Robin Price, they made the invisible visible to start the conversation about the importance of good air quality.

Leiden University linguist Lisa Cheng speaks two Chinese languages, as well as English and Dutch. She is a strong supporter of the European Commission's wish that every European citizen learns to speak several languages. ‘Speaking three languages is not that difficult.’

The aim of this study is to further develop the Open Science Monitor, which started as a pilot study.

After your graduation, Leiden University would love to stay in touch with you. Alumni are an important part of the university; with your experience we can improve the education, and you can be part of a valuable network full of knowledge and experience. Find out what options you have to stay in touch…

The master’s specialisation Computer Science and Science Communication and Society at Leiden University bridges the gap between experts and the public by combining high quality research in computer science with extensive training in science communication.

The objective of this project is to understand the content and structure of science teachers’ knowledge and beliefs, and how these change in the context of pre-service teacher education and educational innovation.

What is and should be the role of universities in supporting business? How can business benefit more of relationships with science? And what is the role of policy makers in supporting a productive relationship between science and business? Professor Simcha Jong Kon Chin examines the interactions between…

Legal frameworks are often a pitfall when it comes to citizens’ initiatives. Esmee Driessen, a guest lecturer at the Department of Constitutional and Administrative Law and an expert in citizen participation, conducted research on the support and facilitation of citizens' initiatives. In a Dutch journal…

Psychology Lab on Wheels is possible thanks to the support of our partners.

The extensive use of electronic communication channels and other devices has opened new possibilities for collecting data on human behavior. This information is sometimes openly accessible, but largely part of administrative registration systems that are not open to the broader public. The data provides…

The team consists of

To get an idea of the science communication products and research that is possible, a few examples of student projects of recent years are shown below.

Fieldwork is an essential part of this research and of course this part of the project is also a joint effort by citizen scientists and professional archaeologists. Discover when fieldwork will take place and how you can participate.