This thesis presents pioneering work on the panchromatic emission of some of the most luminous galaxies in the early Universe: star forming galaxies and active galactic nuclei.

Neurodegenerative diseases pose a large medical and societal challenge. The etiology of these diseases is still poorly understood, which makes drug discovery for these diseases difficult.

Cambridge University Press has published a new book co-authored by researchers from Leiden University, offering both an introduction to machine learning and deep neural networks, and an overview of their applications in quantum physics and chemistry — from reinforcement learning for controlling quantum…

Are you engaged in society and interested in social issues? Study the Bachelor's in Public Administration in The Hague and learn how to analyse and solve complex challenges such as the housing crisis and energy transition, right in the administrative heart of the Netherlands.

Get to know us through our online and in-person events for prospective students!

Animal diet studies are critical for understanding ecological processes such as trophic interactions, energy flow, and nutrient cycling. By examining what animals consume, ecologists gain insights into species specialization, predator-prey relationships, and ecosystem management.

Synthesis and application of chemical biology tools to study immunomodulatory signaling lipids.

Drug development is a time- and resource-consuming process that starts with the discovery and validation of a (protein) target that contributes to pathogenesis or disease progression.

YAL raises its voice on policy matters.

In the search for sustainable energy solutions, the idea of artificial photosynthesis has been proposed as an approach with which to use water and sunlight to produce hydrogen.

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

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

Plant Sciences' contribution to the Biodiversity & Evolution research theme is to understand what are the key drivers of plant biodiversity during evolution with a focus on plant life history and resilience traits and develop tools to restore and maintain plant biodiversity.

Protoplanetary disks are the gas and dust environments where planetary systems form around young stars. Using observations from the Atacama Large Millimeter/submillimeter Array (ALMA) this thesis analyses the gaseous molecular reservoir, using multiple tracers to resolve the 3D structure of protoplanetary…

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

The spindle-assembly checkpoint (SAC) is a safety mechanism which secures accurate chromosome segregation during mitosis.

Monoacylglycerol lipase (MAGL) is the principal enzyme responsible for hydrolysis of the endocannabinoid 2-arachidonoylglycerol (2-AG). MAGL inhibition provides several potential therapeutic opportunities, including anti-nociceptive, anti-inflammatory and anti-cancer activity.

Kinase inhibitors are key therapeutic agents, particularly in oncology, yet their clinical efficacy is often hampered by off-target effects and limited understanding of their cellular target profiles.

The nanoscale structure of a catalyst under reaction conditions determines its activity, selectivity, and stability. For the production of sustainable energy and materials, new catalysts are needed. By understanding the structure-activity relationships of catalysts under reaction conditions, insight…

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

Cytotoxic T-cells (CTLs) are involved in the clearance of viruses and killing of tumor cells.

This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

Promotor: Prof.dr. G.P. van Wezel

Almost all bacteria are enveloped by a cell wall that provides cellular protection.

Health Data Science Leiden University

Although bacteria are usually invisible to the naked eye, they are the silent force behind many processes in our daily lives.

The focus of the Bachelor Data Science & Artificial Intelligence is on computer science, and its applications in Artificial Intelligence. You will receive a strong basis in mathematics, statistics and computer science, combined with advanced knowledge of machine learning, cognitive science, human-robot…

In the master’s specialisation Computer Science and Business Studies, you combine high quality research in Computer Science with training in management and entrepreneurship. You will expand your knowledge of computer science and develop business and organisational skills that are essential to become…

Microbial Sciences'contribution to the Development & Disease research theme is to perform world-class research to understand cellular morphogenesis, growth, development and virulence of microbes.

Study information

Antibiotic-resistant bacteria pose a major health threat. Addressing this challenge requires among others the development of new antibacterial compounds. The research described in this thesis focuses on discovering novel antibiotics from soil bacteria, specifically Streptomyces and Paenibacillus.Despite…

How do you ensure that research is performed, evaluated and managed in a responsible way? This question is also of the utmost important to the University itself. The Centre for Science and Technology Studies (CWTS) studies scientific research and its relationship with technology, innovation and soci…

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Edward Elgar

The Leiden Bio Science Park (LBSP) is the largest innovation district in the Netherlands in the field of Life Sciences & Health. The clustering of high-quality education, research, healthcare, and industry attracts students, scientists, and entrepreneurs from all over the world to the knowledge city…

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Scientists at Leiden University (Netherlands), Stuttgart University (Germany) and Ural Federal University (Russia) have successfully put forward a novel, computed, reaction mechanism that was experimentally tested and show that formaldehyde is formed at much earlier stages in the birthplaces of stars…

The Leiden University Center for Statistical Science unites the statisticians teaching and researching at Leiden University.

Join the OSCL community to share your experience and learn more from others at Leiden University

The programme group Clinical Neurodevelopment Sciences is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

The programme group Educational Sciences is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

The Science for Sustainable Societies bachelor’s programme equips you to address pressing environmental issues through an interdisciplinary approach. By integrating natural sciences, social sciences, and governance, you’ll develop the expertise to analyse and solve complex sustainability challenges…

The Science for Sustainable Societies bachelor’s programme equips you to address pressing environmental issues through an interdisciplinary approach. By integrating natural sciences, social sciences, and governance, you’ll develop the expertise to analyse and solve complex sustainability challenges…

The master’s specialisation Bio-Pharmaceutical Sciences and Education at Leiden University combines fundamental chemistry research with an excellent education in becoming a Chemistry teacher.

Once you have secured a PhD position, a scholarship, or other funds and you have found a supervisor who is willing to supervise you during the PhD track, you should apply to the Graduate School of Science. This page informs you about the application procedure.

Leiden University offers support in the different stages of your research lifecycle.

Animal Sciences’ contributions to the Development & Disease research theme include the mechanisms and evolution of embryonic development, the development of cognitive mechanisms, and animal models for understanding mechanisms of human disease.

The Biomedical Sciences Master programme in Leiden will help to deepen and broaden your understanding of human health and disease. We provide you with a challenging and flexible programme in a personalized environment.

In the Research in Bio-Pharmaceutical Sciences specialisation you will perform research on various topics in the area of Drug Discovery and Development. The programme offers a high level of flexibility and can be tailored to your scientific interests. The major research project is hosted by the Leiden…