Are you thinking about studying Statistics and Data Science? Learn more and watch the introduction video.

Are you thinking about studying Bio-Pharmaceutical Sciences? Learn more and watch the videos.

De minor Data Science & Artificial Intelligence geeft een toegankelijke introductie tot de theorie en praktijk van datawetenschap en kunstmatige intelligentie. Studenten leren de basis van data-analyse en patroonherkenning in grote gegevensverzamelingen, hoe computers leren en ook het interpreteren…

From 1 January 2017, Professor of neurocognitive developmental psychology Eveline Crone has been appointed member of the Social Sciences Council of the Royal Netherlands Academy of Arts and Sciences (KNAW).

As a Political Science student you will analyse political phenomena at a local, national and global level—covering a broad range of topics and applying state of the art methods. Your tutors are renown researchers in their field; Leiden is one of Europe’s oldest and highest ranking universities. Personal…

Choice is at the very heart of politics. War or peace, left or right, liberty or security, sovereignty or integration, consensus or conflict—choices matter. Choice is also key to your education. Choose an intellectually challenging programme in which you develop your knowledge and expertise in the study…

We are very happy to welcome you to spend a semester or year studying with us at the Faculty of Social and Behavioural Sciences. This website will provide you per programme with information on your course schedules and much more.

'The EU should not give way under pressure as the war continues,' writes Joris Larik, assistant professor of European law, in an opinion piece that was recently published in Dutch newspaper FD.

Our research in the area of safety sciences aims to increase the mechanistic understanding of cellular toxicity of drugs and, in a broader sense, chemicals.

During the Leiden Science Family Day, you will visit places that are normally closed to the public: go backstage at the Faculty of Science!

Chemistry is all around us: from nutrition and smartphones to medicine. The field is developing rapidly, as the world population continues to grow and resources become scarce. MST will educate you on the basics of working towards a clean and healthy world.

What is life like as an academic? Twelve PhD candidates will report on their daily work in videos and blogs on the Faces of Science website (in Dutch). They include three researchers from Leiden who are researching topics such as North Korean support for African liberation movements, how differently…

Every year, the Leiden Institute of Physics (LION) organises the Science Day. The goal is to highlight the newest research at LION, to socialise, and to welcome first year master students and new PhD candidates to our institute.

By carrying out fundamental research and providing excellent education, universities become a breeding ground for innovation and entrepreneurship.

Scientists, including our faculty colleague Dr. Mike Field, studying an exceptionally well-preserved woolly rhinoceros have revealed details of what Britain's environment was like 42,000 years ago. The beast's remains were discovered in Staffordshire in 2002, buried alongside other preserved organisms…

YAL raises its voice on policy matters.

Conference, Meet us in your country

Conference, Meet us in your country

The master’s specialisation Computer Science and Education at Leiden University prepares students to teach the subject of biology to secondary school students. The programme comprises a one-year Computer Science component, followed by an education component in the second year.

Historiography of science is in its current self-image a non-evaluative discipline. Its main goal is to understand past processes of knowledge formation on their own terms. In the last few decades this approach has greatly improved our understanding of the phenomenon of science. Yet, something strange…

Research in and through art is an inseparable part of the artistic or design practice of the researcher. Consequently, research-in-art (as opposed to research-about-art, such as art history) does not have a set goal or expected result, nor are there predetermined general procedures. The outcome of the…

The Astronomy and Data Science master’s specialisation at Leiden University combines advanced Astronomy courses with relevant courses from the Computer Science programme at Leiden University.

The Master’s specialisation Educational Science offers students cutting-edge insights into how individuals develop and learn and how education can be optimized to include every learner.

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 group is involved in training in areas of diagnostic skills, treatment/prevention/intervention, neuropsychological assessment, behavioral observations, clinical interviewing, knowledge of intellectual disability, autism, ADHD, psychosis and aggression.

If you wish to know exactly what is going on in a healthy or sick human body, and at various levels such as molecule, cell, tissue, organ, larger systems and a person as a whole? Do you wish to learn how to do research which contributes to diagnoses, treatment and prevention of diseases? Then the bachelor…

Conference, Meet us in your country

Quantum Information Science & Technology (QIST) encompasses the understanding, design, construction and investigation of quantum information processing systems, such as quantum computers, quantum communication networks, and quantum sensors.

Are you interested in combining your master programme with the Science Communication and Society specialisation? Learn more and watch the introduction video.

The recent rise in global migration movements and the simultaneous attempts to prevent migrations to the Global North in general and Europe in particular have produced numerous images and narratives that try to record and convey these events and their actors.

In the master's programme Biomedical Sciences you learn interdisciplinary approaches to address scientific and societal challenges in the field of (bio)medical sciences. The research in our programme relates to the maintenance of health and prevention of disease. You will acquire a skill set suitable…

In the master's programme Biomedical Sciences you learn interdisciplinary approaches to address scientific and societal challenges in the field of (bio)medical sciences. The research in our programme relates to the maintenance of health and prevention of disease. You will acquire a skill set suitable…

As a student of Bio-Pharmaceutical Sciences, you have a strong interest in drug development: from the onset of diseases to the effects of individual drugs in the body. Is that true for you? Then, Bio-Pharmaceutical Sciences might be the right study programme for you!

The first photo of a black hole and measuring anxiety in the brain... From 13 until 22 May we're serving a free slice of science with your pizza.

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

What we did this year? Well, we ran for charity, moved a 2,000 kilo electron microscope and ate poffertjes in the garden. Oh yes, and together mapped out a strategy for the next five years. Warm up the fingers and get ready to scroll through the year of Leiden Science in 2023.

Leiden Institute of Advanced Computer Science (LIACS)

On the brink of war, what influences decision makers to attack another country? Using innovative theoretical angles, Femke E. Bakker explores whether the basic assumptions of democratic peace theory are indeed correct. She stresses the microfoundations of conflict, questioning the assumptions on…

This page provides information to support your application for the Master's programme of Bio-Pharmaceutical Sciences.

The group Clinical Neurodevelopmental Sciences has expertise in individual differences in child development, in particular the development of psychopathology, ranging from mild to severe neurodevelopmental disorders.

Our Talents and Discoveries is a yearly publication by the Faculty of Science of Leiden University, published since 2003. You can read all the editions online. Note that the original publication was in Dutch; the original title translates as 'What we are proud of'.

This programme video is presented in Dutch

This programme video is presented in Dutch

The Leiden Science Young Talent Award is awarded yearly to a student who completed their bachelor’s degree with an excellent thesis.

Microbial Sciences' contribution to the Evolution & Biodiversity research theme focuses on understanding how bacteria sense and respond to their environment, and how bacterial diversity and evolution is influenced by cooperative and antagonistic interactions taking place between microbes.