The corona crisis has had a major effect on research. Sarah de Rijcke, Professor of Science and Evaluation Studies, and her group research the effects of performance evaluation on the work of ocean scientists. The majority of the fieldwork was supposed to be carried out on ships and at marine labs throughout…

Through each individual decision, however small, people make history. This is what historian Katja Happe said in the Cleveringa Lecture on 26 November. She illustrated this with individual reactions to the persecution of Jews during the Second World War.

Lecturers should take something of a back-seat role so that there is more opportunity for discussion among students. That is what cell biologist Roland Dirks believes. This inspiring lecturer has won the LUS Teaching Prize.

Broad universities that focus strongly on fundamental research have the best chance of contributing to economic innovations, for example in the life and data sciences. This is the message of Professor Simcha Jong in his inaugural lecture on 14 November.

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

Violent conflicts all over the world pose a great threat. Not only to the region’s inhabitants, but also to the cultural heritage in the area. This is the subject of the Europe Lecture in The Hague on 13 June.

Researchers, civil servants and local residents met on 27 September to talk about partnering for sustainability. What were the results? In a green ‘city oasis’ in the centre of The Hague they spoke about the energy transition, bottom-up initiatives and citizen science.

The greatest threat to the North Korean regime is not the outside world but its own developing private market and the growing frictions at the top. This was the argument put forward by North Korean exile Jang Jin-sung in his lecture in Leiden on 18 September 2014.

Making fire is no simple matter. This became abundantly clear during the demonstration by German archaeologist Jürgen Weiner. Weiner was invited by Professor W. Roebroeks to share his practical knowledge about fire. The Human Origins group of the Faculty of Archaeology organised a guest lecture and…

On Friday 28 October, Leiden University organized its annual Physics Ladies Day for female high school students. To mark this festive day, we put the spotlight on four female researchers, who talk about their experiences in physics.

Young people tend to take more risks than children or adults. This trend is related to the reward centre in the brain, which is much more active when they are rewarded, PhD candidate Barbara Braams discovered. Personality, testosterone levels and social context also play a role in risk-taking.

This week we can vote in the University elections. The University Council and faculty councils are incredibly important. During the fantastic seminar on 50 years of participation that the University Council recently held, our former Rector Carel Stolker aptly said: ‘Without participation, there would…

From underground heat exchangers at the Bio Science Park to drinking taps to replace water coolers. With its new environmental policy plan, Leiden University will become greener in the coming years.

Hundreds of thousands of Dutch people suffer from pain caused by knee osteoarthritis and the number is rising fast. Prof. Jaap Harlaar specialises in clinical biomechanics. His research is helping improve osteoarthritis treatment. Harlaar has been appointed Medical Delta Professor and now holds posts…

Samen met een groep enthousiaste wetenschappers bezocht ik deze maand verschillende universiteiten en andere kennisinstellingen tijdens een kennismissie in Indonesië.

Professor of Modern China Florian Schneider researches what people do with technology and what technology does with people. Social media, for example. And then mainly in China.

On 23 March a Sonology concert took place in the Arnold Schönbergzaal at the Royal Conservatoire, dedicated to Gabriel Paiuk’s The Construction of an Imaginary Acoustic Space, a composition for ensemble and electronics performed by New European Ensemble.

An international team of astronomers including Leiden scientists publishes the image of a young star with a surrounding dust disk that is still being fed from its surroundings. The phenomenon around the star SU Aur may explain why so many exoplanets are not neatly aligned with their star. The European…

Increasing resistance and a lack of new antibiotics are a serious problem for public health. Against this background, Gilles van Wezel of the Institute of Biology Leiden is looking for new medicines. Together with former PhD student Changsheng Wu and colleagues he discovered the special antibiotic lugdunomycin,…

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

We take it for granted that water comes out of the tap and electricity out of the socket. But that isn’t always the case. Last Tuesday began like any other day, with our board meeting in the morning. But things were soon to change.

People can be easily mislead with graphs. But they don’t necessarily stay misled, the research shows.

In the late colonial Netherlands Indies, starting from 1892, homes were set up for the re-education of children. At first by private individuals, later by the government. Much later still, privately funded institutions existed alongside government-funded ones. Annelieke Dirks’ defence on 23 June 201…

Synthetic fuel is cleaner than natural oil, but its production process needs to be more efficient. Now for the first time, physicists have directly observed the molecules produced in the chemical process. This paves the way for designing more efficient catalysts. Publication on September 19th in Nature…

On the menu of the LLP Skills Café no beer and snacks, but communication skills as listening, resolving conflicts, and giving feedback. ‘Once you really learn to listen, you become a better leader and nicer friend.’

Proton therapy is a new way of treating cancer in which radiation doses are delivered more precisely. This results in less damage to surrounding tissue and fewer side effects. Professor Marco van Vulpen is medical director of HollandPTC in Delft, where the social value of this therapy is studied. Van…

A vitamin D deficiency is often associated with smoggy English industrial cities during the Industrial Revolution, but research carried out on skeletons now suggests that the ‘English disease’ was also prevalent in rural areas of the Netherlands. Doctoral defence on 29 January.

Suddenly everyone is at home, but this is not a holiday – far from it. Because work and school are ‘simply’ carrying on remotely. How can parents and children keep a cool head? Lenneke Alink, Professor of Forensic Family Studies, gives her advice.

On Monday 27 September 2010 Spinoza prize winners Naomi Ellemers, Ineke Sluiter, Marijn Franx (Leiden) and Piet Gros (Utrecht) announced their plans for their €2.5 million prize money. This was during the official ceremony in The Hague, at which the outgoing Secretary of State for Education, Culture…

Gerrit van Dijk was born on 14th August 1939 in Kampen. He studied Mathematics in Utrecht where he also received his PhD in 1969 on the thesis ‘Spherical functions on the p-adic group PGL(2)’. His supervisor was prof. dr. T.A. Springer. The academic year 1969-1970 he spent in Princeton, at the Institute…

Hermelijn Smits is Professor of Host-commensal Interactions and Immune Modulation. In this role she is increasing our current understanding of the way in which microbes and parasites shape our immune system to protect us from respiratory infections and chronic inflammatory diseases. In her inaugural…

Universities are there for future generations; how can we make sure we pass them on intact? Leiden academics responded to the address given by Cambridge professor Stefan Collini at the opening of the academic year.

We know more together than alone. To increase our university’s impact on the region, we have to be open to the world outside. This is how we strengthen our ties and create new opportunities for teaching and research.

In order to better understand the course of Alzheimer’s disease, Frédérique Kok believes that a strategic and structured approach is needed: the Mastermind research approach. With her LUF grant, Kok wants to generate high-quality data to build a mathematical model that can recognize the onset of the…

Platinum is a widely used catalyst, but its precise mechanism largely remains a mystery to scientists. Ludo Juurlink has now demonstrated for the first time how oxygen reacts on the platinum surface. Together with PhD students Kun Cao and Richard van Lent and international colleagues he publishes his…

How do you know if your idea has succeeded? The Queen coming to call a year and a half later might just be a clue. This happened to the Leiden student foundation ‘Door Het Geluid’, which promotes student well-being.

The centre of our Galaxy is so dark and dense that it is almost impossible to observe what is inside. By catching the rare hypervelocity stars that are ejected from it, Elena Maria Rossi aims to unveil the mysterious environment around the supermassive black hole inside. But she’ll also be solving another…

Microneedles are a promising tool for the painless administration of vaccines through the skin. But, are these minuscule needles really effective? PhD student Pim Schipper of the Leiden Academic Centre for Drug Research investigated various factors of vaccination via the skin and discovered, among other…

The use of a new type of detector has generated a strong improvement in the resolution of electron microscopes. The 'low-energy electron microscope' (LEEM) can now be used for research on the thinnest possible materials. The tests with the detector represent the first result of the ESCHER project.

Leiden University has secured an impressive 12 European exchange grants. This is good news for students, lecturers and researchers from home and abroad.

The Honours Class From Solar to Fuel with Bio consisted almost entirely of the workshop on Solar Biofuels from Micro-organisms that drew more than eighty specialist researchers to Leiden's Lorentz Centre in late March/early April. Students Erica Wenker (chemistry) and Jasper van Dobben de Bruijn (law)…

It's now possible to measure how many plastic particles there are in our food. Chinese scientists and Leiden professor Willie Peijnenburg applied their new method to lettuce and wheat. Their results were published January 20 in Nature Nanotechnology.

In the Netherlands, euthanasia has no longer been a criminal offence since 2002. The practice is governed by very strict conditions. Nonetheless, the legal issues surrounding it are still the focus of heated discussion, according to Leiden professors. They are discussing the issue on 18 March during…

Research using the ALMA telescope by scientists including Leiden's John Tobin and Steven Bos has produced the first images of the water snow line within a protoplanetary disc. Publication in Nature on 14 July.

The European Project SUNRISE, ‘Solar energy for a circular economy’, has been selected as one of the six Coordination and Support Actions (CSA) within the Horizon 2020 programme of the European Commission. Funded with 1 million euros, it will set the base for a large scale European research project.…

The new Students for Leiden party pulled off a stunning victory in the municipal elections. From nowhere, the party won two seats on Leiden Municipal Council. How are brand-new student councillors Mitchell Wiegand Bruss and Elianne Wijnands doing? ‘We’ve already asked questions about the quality of…

The disappearance and reappearance of species of plants in the Netherlands is a normal phenomenon. In the period from 1981-2000 the number of plants to have disappeared was considerably lower than previously, whereas the number of species rediscovered is much higher. Climate change may be the cause.

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

The behaviour of strongly correlated electron systems, such as high-temperature superconductors, defies explanation in the language of ordinary quantum theory. A seemingly unrelated area of physics, string theory, might give physicists a better understanding of the weird behaviour of these kinds of…

As a result of production pressure, judicial powers focus more on efficiency and less on making sure they get to the truth. Professor of Criminology Jan de Keijser believes that establishing the truth in court cases is under threat. Inaugural lecture 7 November.