When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

When do we define a piece of nature in the city as a park? And when is something a tree or shrub? It may seem obvious, but in scientific literature the definitions vary quite a bit. That makes comparisons difficult. Environmental scientist Joeri Morpurgo looked at the differences and designed a general…

Since September, Jelle Oonk has been the chair of the Science Faculty Council. Jelle is a third-year student, combining Physics and Astronomy studies with this responsible role. Time to get to know him better. Five questions for the new chair.

Professor Sarah de Rijcke will become the new Rector Magnificus on the Executive Board of Leiden University on 15 January 2026. She will succeed Professor Hester Bijl, who will become Rector Magnificus at Delft University of Technology.

Organisation

The LACDR green lab initiative is a group recently founded by employees of the LACDR. We are devoted to stimulating sustainability in our education and research! With the support of the Institute manager and scientific director of the LACDR, our main goal is making the labs more sustainable by e.g.…

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…

The University Council gives the Executive Board (un)solicited advice and helps decide on important topics. For example, permanent contracts for lecturers and the workload and well-being of our students and staff. It’s an important organ, but many staff have no idea what it does. ‘I think it’s great…

An independent review committee has unanimously selected three projects to receive a grant from the Prof. Andrea Evers Fund for Health, Behaviour and Society. The fund, which was launched earlier this year, supports innovative inter- and transdisciplinary research in health and well-being.

Guiding people and helping them flourish. That's what Alexandra Blank's work is about. She has two jobs at W&N and she likes them both. ‘It is precisely because I combine these two jobs that I can do both well'.

A splendid milestone after seven years of collaborative research on the sustainable development of the Indonesian economy. Professor of Industrial Ecology Arnold Tukker has been appointed as a guest professor at the Faculty of Economics and Business of Universitas Padjadjaran (UNPAD) in the Indonesian…

A 1K Z1E j3 bench has been in the Huygens building since Thursday. The bench symbolises making suicide, depression and despair negotiable. 'We hope this bench invites people to start the conversation about how they are really doing,' says student wellbeing officer Elly van Laar. 'But it all starts with…

Webinar

Webinar

As of 1 September, Tim van Surksum will take on the role of assessor for our faculty. The 22-year-old second-year Mathematics student is excited about his appointment.

We have to do all we can to stop climate change. But: the Earth is more resilient than we thought. That is the surprising conclusion of an international team of ecologists and mathematicians, which included Leiden mathematician Arjen Doelman. The team discovered that ecosystems can still avoid tipping…

Organisation

Education

From 1 September, the annual Performance & Development (P&D) interview will have a new format and also a new name. With the acronym GROW (Gesprekken over Resultaat, Ontwikkeling en Welzijn), it will be changing to Conversations on Performance, Development and Well-being.

Els de Busser (Faculty of Governance and Global Affairs), Ayo Adedokun (LUC The Hague) and David Fontijn (Faculty of Archaeology) have been nominated for the LUS Teaching Prize 2020-2021.

Last year he became Teacher of the Year because of his innovative and online teaching, now Alexander van Oudenhoven has to change course again and teach physically. What have the first weeks been like for him? ‘Let's apply what we learned in the lockdown period.’

Free cinema tickets or a step tracker paid for by your health insurance. Some insurers offer rewards to promote healthy behaviour. But does the threat of losing something like a deposit work better? And what do patients think? This is what PhD candidate David de Buisonjé researched.

Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research conducted by Janneke van Oorschot, published in a partner journal of Nature. Remarkably, this does not have to come at the expense of green spaces in cities.…

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

If you’re experiencing too much work pressure, talk about it to your colleagues and your manager. This is the only way we can jointly work towards a solution. How do you raise the issue of work pressure? And what can you do to prevent work pressure from getting out of hand?

In the University elections in April, the eight student seats on the University Council have gone to six parties, and newcomers the Liberal Student Party and the Party for Biomedical Students have each won one seat.

An open academic culture, where quality beats quantity, where science and society are closely linked and where we recognise and reward everyone’s contribution is the aim of the university-wide Academia in Motion (AiM) programme.

Organisations like the UN and the EU should be given more powers to combat transboundary problems. This is the message of a report published by the Swedish SNS Democracy Council, whose authors include Prof. Jan Aart Scholte of Leiden University. The researchers also wrote the following article.

Goldband, Skrillex, Róisín Murphy and... quantum: the latter may not be a band but is part of the Lowlands line-up nonetheless. Scientists from Leiden University are using the festival for research on the very smallest particles.

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements.

The person who cried out at Dam Square on Remembrance Day in 2010. For Michiel van der Wolf this marked the rise of a new phenomenon: that of ‘confused people’. Because since that Remembrance Day, the number of reports of ‘confused people’ in the Netherlands has increased rapidly in the statistics.…

As of 1 September 2024, the cum laude honour will no longer be awarded for the Master’s in Medicine. The Executive Board recently decided to grant an exemption to the Leiden University/LUMC Faculty of Medicine. This decision is in line with other medicine programmes in the Netherlands.

Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…

Taking responsibility concerning colonial heritage and restitution is a pressing issue for countries and museums worldwide. On 23 and 24 May, a Leiden University interdisciplinary symposium will explore new perspectives as a basis for policies. Organising professors Carsten Stahn and Pieter ter Keurs…

Search engines are getting better at answering our questions. And chatbots are increasingly likely to search the internet for relevant sources. ‘Search engines and chatbots will become more closely entwined’, says Professor Suzan Verberne.