Doing your taxes, Netflixing or driving a car: more and more daily activities are supported by computer applications. It is challenging and expensive to test software thoroughly, leading to errors in most applications. PhD candidate Benjamin Lion made a mathematical framework to deal with this problem.…

A new class of polymers has been used in patients for the first time. The compound is the first new drug solubilising agent in decades. Introduced in 2014 by chemist Matthias Barz from Leiden University, it offers a unique alternative to current options.

There's a myth that people with autism avoid eye contact in conversations. This can come across as indifferent. Unjustified, stresses Jiayin Zhao, who is doing her PhD research on the socio-emotional development of children with autism. 'That people with autism don't care is anything but true.'

The clever young people at the National ThinkTank who tackle an urgent societal problem each year include two Leiden alumni this autumn: Jiao Harmsen and Jort van Dalen. They will spend at least four months getting to grips with the topic of ‘education’.

From spiders in the bathroom to mice in the kitchen, we share our homes with far more species than we realise (whether we like it or not). Researchers at Leiden University and the University of Helsinki are collecting stories about how people live alongside these non-human housemates.

On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.

His Surinamese neighbours in Amsterdam gave Russia expert and economic historian Isaac Scarborough an idea: a re-evaluation of the Surinamese economy in the twentieth century. An NWO XS grant will enable him to make a start on this.

It is the final stretch for the students of FGGA. Summer is approaching and they are working hard to complete everything before the summer holidays. We asked some of them how they look back at the academic year. ‘Being a mentor during HOP week is something I can recommend to everyone’

When Robin Hartman walks through or around the buildings of the Faculty of Science (FWN), he’s always alert. He looks up, around, and behind him, constantly aware of his surroundings. As the head of emergency response (BHV), the safety of staff and students is his top priority.

Each year a staggering 18 billion chickens, turkeys, pigs, sheep, goats, and cows either die or are killed without making it onto someone's plate. Environmental scientists Juliane Klaura, Laura Scherer, and Gerard Breeman were the first to calculate this number on a global scale. 'Reducing these numbers…

Various guests with a background in human rights, law, politics and international relations will be taking part in the ‘Human Rights and the World Cup Qatar’ debate on Friday 30 September. Royal Dutch Football Association (KNVB) Secretary-General and Leiden alumnus Gijs de Jong will be there to provide…

There was a time when student Lelani Antar wanted to go to film school. She ended up studying International Studies, yet she didn’t quite say goodbye to film. For her minor, she and three other students made an essay film.

Two years ago, university lecturer Kirsty Rolfe was nominated for the Faculty Teaching Prize. Now she is in the running for the university equivalent. ‘It’s lovely to see students blossom.’

Assistant professor Daniel Schade of Leiden University was a guest on various German-language media outlets, discussing the state of the Schengen Agreement after 30 years.

A microscope with incredible sharpness that leaves samples unharmed – Guido Stam helped develop one. During his PhD research, he combined light and electrons to study biological samples. ‘We can now measure things that simply weren’t possible before.’

Safe use of IT

The university finds it important that students and staff are offered a safe environment. Read here about the safety measures in place and what you should do in case of emergencies or other incidents.

Lecturer and PhD candidate Aholi So is one of the KNAW’s new Faces of Science. By offering a glimpse into his life as a young scientist, he hopes to inspire young people and encourage their enthusiasm for science.

What to do if your residence permit is expired, lost or stolen.

The university finds it important that students and staff are offered a safe environment. Read here about the safety measures in place and what you should do in case of emergencies or other incidents.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Regulations for student residence permit holders who would like to work or do an internship.

Consequences of temporarily discontinuing your stay for your residence permit

Arts and leisure, Arts and leisure

This page provides information on what to do if you have been subjected to unacceptable behaviour.

The Writing Lab is for all Bachelor and (research) Master students of the Faculty of Humanities in Leiden and The Hague.

Study spaces

As an international student, there are a number of matters you should take care of prior to leaving the Netherlands at the end of your studies.

The university finds it important that students and staff are offered a safe environment. Read here about the safety measures in place and what you should do in case of emergencies or other incidents.

The Netherlands Institute in Morocco is open to students from all Dutch universities. Two students explain why they are spending a semester studying in Rabat.

There are many tributaries to Rosalin Kuiper’s story and they all lead to the sea. The 28-year-old sailor was one of the five-person Team Malizia in the world’s most prestigious sailing competition: the Ocean Race.

‘Om de problemen in de jeugdbescherming op te kunnen lossen heb ik de gemeenten nodig’, zei minister Weerwind van Rechtsbescherming onlangs in de Tweede Kamer. Maar volgens hoogleraar jeugdrecht Mariëlle Bruning moet het rijk stoppen met het verwijzen naar andere partijen en zélf nu zorgen dat de boel…

In the middle of doing research for her master’s thesis, Sara Kalf (24) was hit by a car and got seriously injured. After a long period of rehabilitation and hard work, this week she can finally add her signature to the wall of the Academy Building’s ‘Sweat Room’.

Media outlets Investico, de Groene Amsterdammer and Trouw reported on the wide-scale collection by the Dutch police of personal data of demonstrators and their family members. Bart Schermer, Professor of Privacy and Cybercrime, commented on the issue.

The Second World War is a never ending experience for those who lived it. This is what Cleveringa professor Carol Gluck and her students concluded following a critical reading of ‘De Aanslag’ by Harry Mulisch. Mulisch’s novel took centre stage in Gluck’s Honours seminar.

Hans Slabbekoorn is specialised in animal sounds. On 1 July, he was appointed professor of Acoustic ecology and behaviour. A great honour, according to the new professor. ‘This job never gets boring, whether I am investigating the urban jungle or marine noise.’

Cornald Maas was able to ‘pioneer’ in Leiden. This Dutch Studies graduate, presenter, programme maker and publicist combined an active student life with studying hard.

Rik van Gijn was appointed professor of Ethnolinguistic Vitality and Diversity in the World from 1 December 2024. He is keen to use the position to set up research on language vitality. ‘People almost never give up their mother tongue entirely voluntarily.’

Facility

What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.

113 Suicide Prevention gave a guest lecture about suicide prevention at the Spanish Steps in Wijnhaven

As a student residence permit holder, you have a number of obligations.

Meet the FLO committee 2024! To ensure that the FLO-days are tailored to students' needs, the FLO committee is made up of student representatives of each student association within the Faculty of Social and Behavioural Sciences. With the collaboration of Emile, Itiwana, Spil and Labyrinth we plan to…

All students at Leiden University should have a university ID card, known as a LU-Card.

Find out about the procedures for extending your stay as a student residence permit holder.

All students in the Netherlands are invited to take part in the National Student Survey (NSE) once a year. Via the NSE you can give your opinion on the positive aspects of your study programme, as well as what you think could or should be improved.

Anne Land has been working at Science Communication & Society — the department that researches and teaches science communication — for fourteen years. What makes her work special? ‘That moment when students suddenly realise: this is exactly what I want to do.’