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.

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

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.

A Biography of Sayyid ʿUthman (1822–1914)

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.

The proposed research program studies the impact of private foreign investment on development in Indonesia during the years c. 1910-1960.

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.

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

‘Three books published within a year – that happens only once in a lifetime!’ This was the reaction of Katarzyna Cwiertka, Professor of Modern Japan Studies at Leiden University, on the publication of Cuisine, Colonialism and Cold War, one of her three new books. The book sketches the colonisation of…

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

How were the Russians, under early modern conditions, able to incorporate this distant, undeveloped and, because frequent nomadic attacks, dangerous territory? And what role did the Kolyvan-Voskresensk plants play in this process?

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 26 and 27 October 2017, the European Academy of Sciences (EURASC) organized its annual meeting at the Academy of Sciences in Lisbon, Portugal. Prof. Arnold Tukker of CML, Leiden University, was invited to give a keynote speech on a circular economy.

In its session of 15 April 2024, the Austrian Academy of Sciences elected professor Petra Sijpesteijn as one of its new Corresponding Members.

The mission of the Plant Sciences cluster is to contribute to the sustainable production of high-quality crops, flowers and high-value bio-based products, and to contribute to the maintenance and restoration of biodiversity in natural ecosystems. This is realised by generating fundamental knowledge…

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…

More on the Dutch webpage.

In Luganda, the widest spoken minority language in East African country Uganda, the word for photographs is Ebifananyi. However, ebifananyi does not, contrary to the etymology of the word photographs, relate to light writings. Ebifananyi instead means things that look like something else. Ebifananyi…

How did Anglo-Saxons reflect on the experience of growing old? Was it really a golden age for the elderly, as has been suggested?

On Friday 9 September, Jeanin van Hooft, Professor of Gastrointestinal and Liver Diseases, will deliver her inaugural lecture titled: 'The scope of connection'. She emphasises the value of collaboration and connection for scientific research. In addition, she pleads for more diversity; according to…

During his visit on 12 April 2016, Dr. Jatna Supriatna was appointed as visiting scholar at the Faculty of Science of the Universiteit Leiden. Dr. Supriatna is a biologist, and is a senior lecturer at Universitas Indonesia’s Department of Biology. His appointment was made in the context of increasing…

On 3 and 4 June 2015 a delegation from the biotechnology and biomedicine center in Prague (BIOCEV) visited the Faculty of Science in Leiden, as well as the Netherlands Centre for Electron Microscopy (NeCEN). The delegation was interested to see the potential for collaboration in the field of cryo transmission…

How we think about and act on the usefulness of scientific research has epistemological and political implications: what knowledge consists of, how it comes about and to what ends. In this dissertation, I situate the usefulness of scientific research in concrete places for knowledge exchange. The exchange…

This lecture will be hosted on Thursday, 14 November 2024 at 6:00 pm - 7:00 pm.

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.

The Faculty of Science celebrated the 500,000th open access publication in NARCIS with all employees who help making Leiden Science publications open access. During this event the importance of open access was stressed, for both the Faculty and the researcher.

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…

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…

This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking of the Hellenistic period.

Have you ever seen your friend smiling, and suddenly you started grinning too? PhD student Chris Riddell is researching how and why we copy body language. As a new Face of Science, he will take us along on his research journey for the coming year.

Gorlaeus Gebouw, Einsteinweg 55, 2333 CC, Leiden

The project aims at highlighting and strengthening Dutch research into the diversity of the world’s languages from a historic and a cognitive perspective.

On the 27th of June, Timothy Mac Hadjah successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Timothy on this achievement!

A valuable community of female researchers, providing solicited and unsolicited advice to the Board of the Faculty of Science. Those are the strengths of women’s network RISE. On 11 September the network presented its second biennial report.

Han de Winde will step down as a member of the faculty board of the Faculty of Science from 1 September 2018. De Winde had been vice–dean at the faculty since 2013. As director of education he was responsible for the bachelor's and master's programmes at the faculty.