Exchange: What and why?

Childhood trauma can have a lifelong effect. Many therapists do not dare to confront these vulnerable patients with their past because they are concerned that the patients will be unable to cope. Research has now shown that exposure therapy can be helpful for this group of people.

Your study adviser or coordinator is an expert on all aspects of your study programme. If you have any questions or concerns about your programme, whether they be of a practical or academic nature, you can contact your study adviser.

Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

As part of the Leiden study system we provide first-year bachelor’s students with good support and good academic guidance. This guidance is given by tutors and mentors from your faculty or study programme.

Five questions about PREPARE, the new research project funded by the EU and led by Joana Cook. Cook is Assistant Professor of Terrorism and Political Violence at the Institute of Security and Global Affairs and lead investigator on PREPARE.

Assistant Professor Juan Masullo of the Institute of Political Science has been awarded the 2025 Alexander George Best Article Award for his work on interviews and process tracing.

Summer School

Safe use of IT

Course and exam enrolment

Are you the first person in your family to study in the Netherlands?

When a bacterium becomes more resistant to one antibiotic, it sometimes becomes more sensitive to another. To better understand this interaction, researchers from the Leiden Institute of Biology (IBL) and the Leiden Academic Center for Drug Research (LACDR) under supervision of Daniel Rozen and Coen…

Increasingly, citizens are going to court to challenge decisions by the Public Prosecution Service not to prosecute in certain, sometimes socially sensitive, cases. Yet, these citizens are not always taken seriously as democratically engaged persons. A mistake, says Sophie Koning.

Leiden Teachers’ Academy is proud to welcome six new fellows. They will share their expertise with the rest of the university and launch innovative education projects.

Three quantum-safe cryptography methods have been standardised for worldwide use since this week. Léo Ducas co-designed the two primary PQC methods selected for this standardisation. Ducas is part of the Cryptology group at Centrum Wiskunde & Informatica (CWI) and is also professor of Mathematical cryptology…

How to implement good leadership? This is the central question posed during the inspiration seminars of the LLP, in which renowned guest speakers share their insights. A seminar at the beginning of May imparts this message: “Keep listening to one another.”

Het onderzoeksproject heeft als doel ouders te helpen hun kleuters gezonde eetgewoonten aan te leren door het bevorderen van sensitieve voeding tijdens de fase wanneer peuters kieskeurig met eten worden.

Welcome to Leiden University

Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…

Affective Computing (AC and sometimes called ‘Emotional AI’) provides opportunities to automatically process emotional data. However, is EU data protection law fit for purpose when it is applied to such AC approaches?

When you become very good at one thing, that sometimes comes at the expense of something else. Such trade-offs also apply to bacteria. When becoming more resistant to one antibiotic, bacteria can sometimes become more sensitive to another. Linda Aulin, PhD candidate in the pharmacology group of Coen…

When a bacterium becomes resistant to one antibiotic, it may sometimes become more sensitive to another. This biological side-effect offers an unexpected opportunity in the fight against antibiotic resistance.

What if AI doesn’t just support engineers, but actually works alongside them? A large consortium, including Leiden University, gets 3.7 million euros. They will explore novel synergies between engineers and AI, in industrial engineering design areas such as automotive engineering.

Research

A study association is a good way to combine study-related activities with pleasure. Every faculty has one or more study association.

Conference

During your studies, you may encounter all kinds of challenges. Here you can find an overview of various resources to help you.

The SENSYN project has found a solution to few public datasets for criminological research: synthetic datasets. Marieke Liem talks about this unique innovation

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.

People who have negative expectations about a treatment actually experience more pain. Merve Karacaoglu discovered in her PhD research that anxious and pessimistic individuals are particularly susceptible to this nocebo effect. However, this sensitivity comes with a silver lining.

Geopolitical situations, such as the conflict in Gaza, evoke strong emotions among staff and students. How do we discuss such situations at our faculty? This issue is an ongoing part of safeguarding academic freedom at our university.

Why doesn’t the EU use market power to enforce migration readmission? Student Benoit Pols explains on the European Lawblog why trade sanctions remain politically sensitive — and legally tricky.

Are you still not sure what direction you want to take within the field of law? Would you like to hear more about career opportunities and meet professionals in an informal setting? Or do you have specific questions for one of our alumni?

Student Marieke van der Heijden wandelt wekelijks met senioren bij het project Leren met de Stad. Zij doet onderzoek naar sociale cohesie in de wijk De Kooi.

Organisation