Science thrives on freedom, safety, and stability. But what if these prerequisites are lacking? What if colleagues beyond our borders are threatened, persecuted or forced to flee?

If Europeans eat less meat and dairy, this will have major consequences for farmers. New research shows that many barns and machines could lose their value. With the right policies, these losses can be limited. This is shown by research from Leiden, Oxford and Vienna.

Neeltje Blankenstein receives an LUF grant to conduct research on online risk behaviour among young people. What risks do young people take online and why? 'With this research, we not only want to help prevent serious risk behaviour, but also understand what drives young people to it.'

Europe is expected to experience a greater frequency of severe floods. Paul Hudson discusses the challenges of flood management The Conversation.

As a student residence permit holder, you must make sufficient study progress each year.

Researchers at LUMC have made a breakthrough in understanding PALB2 mutations, an important cause of hereditary breast cancer.

LUMC research has shown that women who previously had a miscarriage due to COVID-19 are not at increased risk of having another miscarriage or a stillbirth. Nor are preventive drugs needed during the pregnancy.

Next week, Sara Perlstein will defend her PhD on risk talk: the everyday conversations we have about risks with people close to us. From eating sushi to climbing or smoking, these informal talks shape how we deal with danger in other ways than official health advice does.

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

Prisoners who are visited regularly by family or friends are less likely to be reconvicted in the short term than inmates who rarely or never receive visits. Visits should therefore be encouraged and facilitated, according to PhD candidate Maria Berghuis, who will defend her doctoral thesis on 23 June…

Projects organised for students by students.

People who move most in the afternoon and evening are less insulin resistant than people who move mainly in the morning or spread throughout the day. This makes them at lower risk of type 2 diabetes. These are the results that researchers from the Leiden University Medical Center (LUMC) have published…

The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…

In cities, parks take the blame for mosquito problems. However, the real issue is usually a few streets away. Drains and standing rainwater create ideal breeding grounds for larvae. As a result, controlling adult mosquitoes in parks makes little sense, says environmental scientist Louie Krol in his…

Leiden University is well known for its student associations, which provide a great way for you to get to know your fellow students. As well as parties and social events, student associations also offer excellent sporting and cultural opportunities.

Leiden University is well known for its student associations, which provide a great way for you to get to know your fellow students. As well as parties and social events, student associations also offer excellent sporting and cultural opportunities.

Co-participation bodies promote the interests of students and staff by critically observing university policy and its implementation, and by playing an advisory and co-decision making role.

What do you do when you get the chance to meet Nobel Prize winners in your field? You say ‘yes’, of course! Two young chemists from Leiden had the opportunity to attend the Nobel Laureate Meeting in Lindau, Germany. They share what the experience was like.

Student psychologists

New student

During your time as a student at the Faculty of Global and Governance Affairs, you might need more than just attending your lectures and workgroups. On this website you will see an overview of all the possibilities we have within our faculty. With this we hope to show you what else the faculty has to…

Why join the Honours College? Three honours students share why they chose to do something extra alongside their bachelor's degree.

During the graduation ceremony there are many different ways for both students and graduands to get involved, including student performances, class representative, Master of Ceremony and so on. Below, we have listed all the ways you can be involved and how to get in touch.

When Russia invaded Ukraine at the end of February, normal life there came to a halt. To ensure that affected students and researchers can continue their studies and work, professor Ellen Rutten (UvA) and assistant professor Dorine Schellens (Leiden) set up an international mentor network.

Your student or registration card is your proof of registration as a student of Leiden University.

As well as student associations, you can also join one of the independent non-profit student organisations that are active in Leiden and The Hague. Become a member and develop your skills while making new friends and contributing to social causes.

Welcome to the Student Plaza website of the Faculty of Social and Behavioural Sciences!

As a student of Leiden University you are provided with a student account (ULCN account) that allows you to access a variety of systems such as uMail, uSis, Brightspace and library catalogues, as well as the physical workstations within the university.

Alanna O'Malley, Associate Professor at Leiden University Institute for History, talks about the possible expelling of the Russian ambassador Yuriy Filatov and the risks that come with the decision.

Staying in contact with other students might not always be easy but it is very important. Find out about the different ways in which you can meet other students.

Find out how honours students at Leiden University get support, join a community or offer suggestions for improvements.

Meet students who experienced an Honours Challenge first-hand! What did participation bring them?