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…

This project seeks to integrate scientific research and practical knowledge in the study of the mechanisms that make dialogue an effective tool for communication, teaching, and thinking.

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…

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.

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.

What was the practice of keeping the Necropolis Journal?

This new study by professor Peter Hoppenbrouwers focuses on conflict in village communities of late medieval Drenthe in order to depict a typical peasant society in late medieval Europe.

How can misleading graphs be effectively corrected, specifically for people with low graph literacy?

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

Source: The AAPS journal, Volume 16, Issue 4, pp. 681-684 (2014)

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

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.

What is the impact of religion and its discourse on the lives of queer people in countries where LGBTQIA+ individuals are not accepted? University Lecturer Eduardo Alves Vieira wants to know just that. With an NWO-grant, he will take a closer look at the inclusive religion movement in Brazil.

The Faculty of Science

On 10 March 2021, Pieter Huizing defended his thesis 'Parallel Enforcement of International Cartels and Its Impact on the Proportionality of Overall Punishment'. The doctoral thesis was supervised by Prof. T.R. Ottervanger.

A study of Dutch Fort at Galle, Sri Lanka

This dissertation explores Aristotle’s use of teleology as a principle of explanation, especially as it is used in the natural treatises.

Also including: Wateringen 4 & Acquiring a taste.

Irene Morfini defended her thesis on 21 February 2019

On 13 January 2022, Pie Habimana defended the thesis 'Harmful Tax Competition in the East African Community'. The doctoral research was supervised by Prof. H. Vording and Prof. S.C.W. Douma (UvA).

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.

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.

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

The Schengen Agreement has resulted in systematic border controls between EU Member States largely ceasing to apply. Solutions for the associated security risks are often sought in information technology. Tim Dekkers investigated how such technology is applied in this context and will defend his PhD…

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…

The aim of this project is to investigate the (cost)effectiveness of two innovative forms of trauma-focused therapy for patients with childhood abuse related PTSD. The ultimate goal is to improve quality of care and contribute to treatment innovation for this severely ill target population.

PhD candidate Sibel Bahtiri is one of the new Faces of Science. In videos and blogs, she will show what life is like as a young researcher.

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.

In Voices on Birchbark Jos Schaeken explores the major role that writing on birchbark – an ephemeral, even ‘throw-away’ form of correspondence and administration – played in the vibrant medieval merchant city of Novgorod and other cities in the Russian Northwest.

This work analyzes ritual practices and knowledge related to the Mesoamerican calendar with the aim of contributing to the understanding of the use and conceptualization of this calendar system in the contemporary K’iche’ community of Momostenango, in the Highlands of Guatemala.

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…

A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.

Mattias Brand defended his thesis on 10 April 2019

On 21 September 2022 H. Hu successfully defended a doctoral thesis and graduated.

Paul Wouters came to the Faculty of Science for a few months to help with organising day-to-day issues after the previous dean left. This has involved rather more than he expected. ‘I can now really understand why every faculty has its own dean.’

How can we quantify the density of species within a community through environmental DNA concentrations?

The first location of the Open Science Centre network was opened on 7 July in Figueira de Castelo Rodrigo, Portugal. A Portuguese Minister and a State Secretary inaugurated the Plataforma de Ciência Aberta, which is a collaboration between Leiden University and the municipality of Figueira de Castelo…

Astronomer and science communicator Pedro Russo is awarded the K.J Cath Prize and € 2,500 for his outreach efforts that bring science to the general public. ‘There are so many bright scientists, and so few people communicating about science.’

This research project focuses on the extended documentation and investigation of these non-Austronesian (‘Papuan’) languages.

From a white leather armchair, on which Barack Obama once sat, Dean Michiel Kreutzer opened the academic year. This time not with visitors, but completely corona-proof via a live stream. In a homely setting, Kreutzer spoke with several guests, including Covid-19 researcher Thomas Hankemeier and brand…

Lots of efforts are being made to promote open science practices in scholarly publishing. However, information on the openness of scholarly journals is highly fragmented. There are various data sources that provide information on specific aspects of openness, but there is hardly any integration of these…

From bedtime stories about mathematics to podcasts about microplastics and games on weeds: master students from the Science Communication & Society track presented the real-life products they developed during their final presentations on 20 December. Many of the products are already implemented by c…

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…

Exploring metabolomics-based biomarkers for diagnosis and treatment response monitoring of community-acquired pneumonia

Are you passionate about our planet? Are you keen to find solutions to environmental problems that make a real impact? Do you feel that either natural sciences or social sciences by themselves are not enough to tackle today’s complex sustainability issues? Then Science for Sustainable Societies at Leiden…

The National Bee Count initiative of Professor Koos Biesmeijer (Naturalis/Leiden) and Vincent Kalkman (Naturalis) has received the NWO Communication Initiative Award. The jury praises the initiative, which manages to reach a very wide and diverse audience, while at the same time contributing to the…

We aim to create an innovative e-learning and virtual reality training that helps healthcare providers to optimize placebo effects and minimizes nocebo effects via their communication.

Ronald Cramer, Professor at the Mathematical Institute of Leiden University and researcher and head of the research group Cryptology at ‘Centrum Wiskunde & Informatica (CWI), the national research center for mathematics and computers science in the Netherlands, is appointed as a member of the Royal…