To be able to measure small forces or small deviations from Boltzmann, the external vibrations at the resonance frequency must be very low. To achieve this, we have developed a very soft vibration isolation system and combine it with several other measures to reduce vibrations in our dilution refrigerators.…

Promotores: H.W. Lenstra, A. Lucchini

Researchers have the whole world as their work area. Dutch researchers collaborate with Chinese, Australians give lectures in Lithuania, Koreans move to America and back. Who can contribute to academic knowledge, who benefits from it and who pays for it? A fair and effective system for this has not…

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

Make sure you have a suitable place to work or study at home.

Monique Koemans werkt sinds 2,5 jaar op de Nederlandse ambassade in de Verenigde Staten. 'Leiden is een opvallende rode draad in mijn leven.'

The master's specialisation Child and Adolescent Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

Ten years later, a group of veterans still struggle daily with the effects of their deployment to Afghanistan. Sanne van der Wal, a PhD candidate at the Leiden University Medical Center (LUMC), conducted research into the effects of PTSD.

Gibbs processes, g-measures, fuzzy Gibbs states

Leiden University encourages all its laboratories to obtain LEAF (Laboratory Efficiency Assessment Framework) accreditation.

From 19 to 21 September 2018 the third annual conference of the Law and Development Research Network (LDRN) will take place at Leiden University. The theme of the conference will be 'Interfaces'.

On Tuesday 19 March Major General (ret) Patrick Cammaert gave a guest lecture about peacekeeping to the students from Leiden University Faculty of Governance and Global Affairs. The lecture was made possible by the Institute of Security and Global Affairs (ISGA).

Professor Joanna Aizenberg (Harvard University) is the recipient of the 2017 Havinga Medal. She is awarded for her eminent and original contributions to the field of biologically inspired materials science.

On 3 February 2021, Prof. Matthias Haentjens spoke at the second conference on bank resolution, jointly organised by the European Banking Institute (EBI) and the Single Resolution Board (SRB).

Finding structure in disordered proteins and developing drugs for undruggable diseases: it might sound like mission impossible, but pharmacologist Alireza Mashaghi and his team are right on top of it. Their project was awarded by NWO through the Open Competition Domain Science -XS, a competition that…

Gold nanoparticles give us a better understanding of enzymes and other molecules. Biswajit Pradhan, PhD candidate at the Leiden Institute of Physics, uses gold nanorods to study individual molecules that would be challenging to detect otherwise. Resulting knowledge can be applied to many research fields,…

How do we deal with large sources of greenhouse gases? Do schools provide a socially-inclusive environment for all children? And how can we protect Earth’s nature? These questions have two things in common: they are complex global challenges, and data can help answer them. Mitra Baratchi is computer…

Promotor: Prof.dr. B.R. Katzy, Prof.dr. H.J. van den Herik, Prof.dr. G.H. Baltes (University of Applied Sciences Konstanz)

The Panama Papers and Paradise Papers provide evidence that companies and individuals are evading tax on a large scale. Worldwide tax agreements can put a stop to this. But for the time being a treaty that will address the problem at its root is not in sight, in the opinion of legal expert Dirk Broekhuijsen.…

A better balance between teaching and research duties, greater recognition of team performances and the elimination of simplistic assessment criteria. The ‘Academia in Motion’ paper published by the Leiden University Recognition and Rewards describes the main problems with recognition and rewards in…

Clinical Child and Adolescent Studies graduate Gillian King has two different jobs. Together with a partner, she runs ‘Het Leerhuis,’ a support centre for children with learning difficulties. But she also writes books, chick lit to be precise. This is how she has made something of a name for herself…

On 19 April, several mosque organisations criticized the way in which the Dutch intelligence service wrote the annual report about increasing 'anti-democratic' tendencies in after-school lessons in Islam and Arabic. Constant Hijzen, assistant professor of Intelligence Studies at the Institute of Security…

On 8 December, Friday afternoon, the second year students of the Honours College track ‘Tackling Global Challenges’ presented their final assignment for the Competences Lab course. The goal was to set up an impact project and organize an event about it. The diverse groups listened and shared their ideas…

The master's specialisation Applied Cognitive Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

A report by Casper Stubbé, a Master Industrial Ecology Student, about the debate between minister Timmermans of European affairs and students of Leiden University on climate politics on the upcoming climate conference in Copenhagen

The master's specialisation Occupational Health Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

Last year, Dr. Henk van Steenbergen received a Grass Shoot grant to completely redevelop the research master's course 'Experimentation I: Programming Psychological Experiments'. The revised course was taught for first time last block and has just come to an end. Time for a brief recap.

A Dutch collaboration, including the SURF Open Innovation Lab and Leiden Observatory, has won Hyperion Research's HPC Innovation Excellence Award. This is the first time that a Dutch team has won the award. The team received the award for improving large-scale numerical simulations with deep learnin…

It is more myth than reality that people with migration backgrounds commit more crime. Leiden has successfully tackled anti-social behaviour by Moroccan youths, says former mayor Henri Lenferink. Good education forms the basis of a healthy and safe society, says ‘crimmigration’ researcher' Maartje van…

On 9 April 2019 the graduation ceremony of the master Crisis and Security Management (MSc) took place. Three graduates were asked how they felt now, what they are going to miss, whether they would have wanted to do something different looking back and what their future plans are.

Jongeren kiezen vrienden met een vergelijkbare achtergrond, zoals etniciteit en gedrag. Dit concludeert pedagoog Janna Fortuin in haar promotieonderzoek.

Is there a place for machine translation engines like Google Translate within the Faculty of Humanities? Associate professor Lettie Dorst’s new educational website aims to help students and teachers find an answer to this question. ‘The use of AI tools, such as Bing and ChatGPT, shouldn’t be seen as…

A vaccine based on sugar coats does have the potential to combat a multi-resistant staphylococcus. That is what Jeroen Codée and his colleagues from Utrecht state in Nature. In doing so, they are contradicting the earlier conclusions of German colleagues.

The Dutch universities as a whole are lobbying for a 'normal' academic year from the end of August, where on-campus teaching will be possible. It's a view that Leiden University shares. Rector Hester Bijl talks about what teaching will be like then. She also looks back on a year of lockdown.

Professor Leo Lucassen often adds his voice to the public debate on his specialist field. If there is talk of a 'flood of migration', he feels compelled to give the issue some historical perspective. 'Concerned? Yes, I am.'

‘Een goed gesprek begint met iemand écht zien.’ (A good conversation starts with truly seeing someone). That text is written on a plaque that was screwed onto a IK Z1E J3 (I see you) bench on the Wijnhaven Rooftop Garden on Monday morning. The bench acts as a symbol to create room for discussions about…

Acute care agencies in the Netherlands are overwhelmed and this causes major problems. Physician-researcher Naomi Minderhout therefore spent the past few years at the Health Campus in The Hague researching how acute care in the Netherlands can be improved at all levels so that it remains accessible…

Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…

Two of the 38 scrutinised programmes offered by the Faculty of Humanities at Leiden University have been assessed as unsatisfactory by NVAO. The Faculty is already working on improvement plans. Graduates of Humanities have no reason to be concerned about their diplomas; these are and will remain fully…

Technology is developing at a mind-blowing rate, also in the field of artificial intelligence. For minority groups such as the LGBTQ+ community, this could be dangerous, writes researcher Eduard Fosch Villaronga in a letter to the editor of Nature Machine Intelligence.

The LUCL has a new Scientific Director. Professor Sjef Barbiers took over the reins from Lisa Cheng with effect from 1 January. 'This is a great opportunity to contribute to a wonderful institution.'

Thousands of Ukrainian children have been transferred to Russia from occupied territories in eastern Ukraine, reports say. Is this, as the government in Kyiv has claimed, an act of genocide? Defined as an intent to destroy a particular group of people, the term genocide was first coined amid the horrors…

In discussions about today’s society and multiculturalism the word is constantly bandied back and forth: diversity. At Leiden University we aspire to ‘diversity and inclusiveness’, and claim that our diversity policies put these core values into practice. We have a Diversity and Inclusiveness Working…

The University wants its teaching and research to have the maximum academic, cultural, social and economic impact.

Simon Portegies Zwart, professor of Computational Astrophysics, uses computers to simulate the evolution of stars. We speak with him about his field and about the challenges of working with huge amounts of complex data.

On May 9th 2023, LUGO hosted its big Sustainability Day Event, on the theme: the planetary boundaries! The event, which took place at the Academy Building in Leiden, included an opening talk by Prof.dr.ing. Jan Willem Erisman, among others. At the closing, LUGO also awarded its first place prize for…

This special issue of the International Forestry Review talks about how logging really affects society.