From 1 August, Hermen Jan Hupkes has been appointed Professor of Non-Linear Analysis at the Mathematical Institute. 'Initially I don't think that much will change,' Hupkes says. 'My research and supervising future researchers will continue as before.'

The transition from Middle to Upper Paleolithic is a major biological and cultural threshold in the construction of our common humanity. Technological and behavioral changes happened simultaneously to a major climatic cooling, forcing human populations to develop new strategies for the exploitation…

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.

Parents are not always heard before their children’s placement in care is extended. They can only have their say if they ask the judge for a hearing themselves. ‘It should be the other way round,’ says Mariëlle Bruning, Professor of Child Law in a ‘De Nieuws BV’ broadcast.

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, in conversation with the NOS, warns to remain alert despite the reduced threat level for terrorism.

The Leiden team

Nearly six hundred new first-year students visited their new faculty on 15 Augustus during the EL CID introduction week. They were welcomed at the Faculty of Science with a transmitter hunt, photo shoots, warm words and lots of liquid nitrogen.

Dutch radio corporation ‘BNR’ contacted Willemijn Aerdts, a lecturer at the Institute of Security and Global Affairs, for her opinion on the arrest. ‘It seldom happens that someone gets caught. What is interesting is that he was both caught and is being prosecuted in the USA.’

Preceding the inaugural address of Reinout Vriesendorp as Professor of Insolvency Law at Leiden University: “***+it happens; then and now” a seminar took place on the underestimated effects of hindsight bias in insolvency cases on 23 June 2016.

On Thursday 8 September, the Hague newspaper 'Den Haag Centraal' issued a special annex dedicated to the Faculty of Governance and Global Affairs.

On 11 May 2017, The Ocean Cleanup revealed a new design for its cleanup system. LAPP was there!

The Leiden Digital Scholarship Blog explored two different ways of opening up research at an early stage: preprints and pre-registration. How to go about making your research or research plans publicly available at an early stage, and what can you expect to happen after you have done so? Among others,…

The Research Institute for Mathematics & Computer Science in Amsterdam hosts a unique X-ray machine that creates 3D scans of the most diverse objects. This allows them to reveal details that remain hidden in regular scans. In a series of articles they showcase examples of what happens in the lab. Leiden…

If you’ve written a scientific manuscript, there’s a good chance you’re familiar with the app-switching two-step that happens when you copy your data from one program and paste them into another. That time-tested workflow does the job, but it isn’t always the most efficient process. In an article on…

After every attack, terrorism researchers are often asked the same question: who did it? Jeanine de Roy van Zuijdewijn, a researcher at Leiden University, doesn’t always have a ready-made answer.

We are delighted that our annual "Science to Experience" exhibition will again take place, hosted by the V2_ Lab for the Unstable Media. Students were challenged to communicate their own science-inspired statements as experiences within the exhibition, this year along the theme "MUTATE".

Some bacteria, it turns out, have proteins much like ours that organise the DNA in their cells. They just do it a bit differently. This is revealed by new research from biochemists at the Leiden Institute of Chemistry and the Max Planck Institute for Biology. The discovery helps us better understand…

For two years, Ineke Sluiter was president of the Royal Netherlands Academy of Arts and Sciences (KNAW). Now, she is returning to the university full time. ‘I always carry themes like accessibility, diversity and inclusion with me.’

On June 22, the week of data literacy started. The week was organized by PublicNL in close collaboration with LCDS. The essence was: How do we deal with data in the future? What major changes did we see in the past five years and what expectations may we expect for the future? Are there any pointers…

Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven

The plan was to research the years surrounding the creation of the signature H.P. Berlage building of the Kunstmuseum Den Haag, but due to the lockdown, University Lecturer Laurie Kalb Cosmo has hardly been able to visit museums. Yet she succeeds in continuing her research for the Museums, Collections…

During illness, the stiffness or viscosity of cells can change. Tom Evers demonstrated this by measuring such properties of human immune cells for the first time. ‘The stiffness of certain cells could be a way to make a diagnosis,’ Evers said. He defended his thesis on March 26th.

One of our most engaged and expert scholars is bidding farewell. After forty years at Leiden Law School, first as a student and later as a professor, Niels Blokker reflects on his university career.

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.

Staff at Dutch youth care services sometimes put parents under pressure to cooperate 'voluntarily'. There are instances when children are removed from the home without the approval of the court. This may have some benefits from the perspective of the support services, but in legal circles there are…

Sarah Cramsey was appointed professor by special appointment of Central European Studies at the Institute of History on 14 September. 'I am keen to incorporate different scholarly approaches into my work and raise the profile of Central European Studies in Leiden.'

What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

Zsuzsika Sjoerds seems to be busy with her research, her teaching, and open science advocacy. She will also take over the Twitter account for Dutch scientists. Folllow our cognitive neuroscientist at @NL_Wetenschap from 30 September till 6 October 2019.

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

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…

How can we ensure that we act climate-proof and climate-neutral? We asked climate and earth scientist and lecturer at the Climate Change course Joeri Reinders.

During the ‘Hour of Remembrance’ on 4 May, the University community remembers its students and staff who were killed in the Second World War. It also looks at freedom and oppression today. Three questions for Sara Polak, chair of the Hour of Remembrance committee.

Expert in public affairs and politics Arco Timmermans advised the informer Kim Putters.

Leiden PhD researcher Karin Öberg is one of the 17 winners of the NASA Hubble Fellowship. When she has obtained her PhD this autumn she will move to the United States for three years to conduct post-doctoral research into the role of ice in star formation.

What with coronavirus, the American elections and the Brexit botheration, we had almost forgotten that something miraculous happened in 2020: the repressed people of Belarus rallied against dictator Alexander Lukashenko, who has been in power for 26 years. Months later, what remains of the protest?…

A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells on hydrogen and oxygen. Their article appeared in Nature Catalysis on 07 Ju…

An image has great powers of persuasion. It is said that ‘a picture is worth more than a thousand words’. But these days, images can easily be manipulated with severe consequences. ‘Perhaps it’s time to reconsider the value we attach to images’, says Elize de Mul, whose PhD thesis deals with ‘digital…

Our vision of stress is starting to change fundamentally. We can suffer stress without even being aware of it, while sleeping as wall as during the day. Professor of Psychology Jos Brosschot will discuss this phenomenon in his inaugural lecture on 2 December.

Inaugural lecture Marc Bruijnzeels

German-American Mia Müller (26) has been working at the European Parliament for three years now as Press Officer at The Greens/EFA Group. She is a bit nervous about her 'first' elections.

Each year, the Dutch government publishes its Budget Memorandum on Budget Day, or Prince’s Day as it is known. The economy is doing well, and elections will be held at the start of 2021, so it’s most likely that many a rose-tinted plan will emerge from the briefcase on Prince’s Day on 17 September.…

Last Thursday the Dutch House of Representatives held a debate on children being put into care when the childcare benefits scandal (toeslagenaffaire) had caused problems for their families. Four Leiden University academics were asked by the House to produce a fact sheet for this debate, bringing together…

How can we prevent drug-induced liver and kidney damage? PhD candidates Marije Niemeijer and Lukas Wijaya investigated what happens in the cells during the onset of this damage: a stress response. Both focused on a different subtopic and made some interesting discoveries.

How do you recount historic events if you are not allowed to talk about them? For his dissertation, Taufiq Hanafi tried to find out how a period of mass murder – despite heavy censorship – found a place in Indonesian literature. PhD defence 31 March.

It sounds futuristic, but it is possible: the creation of miniature organs of patients in order to study them and see how diseases develop and can be treated. This is what researchers from the LUMC, Twente University (UT), UMCG, TU Delft and the Hubrecht Institute hope to achieve in the next ten years…

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Medicine with Kilimanjaro Christian Medical Center in Tanzania.

In Dutch newspaper NRC, Pieter Omtzigt says he finds it 'unconstitutional' that he has no right to vote in committee meetings. Omtzigt believes he is as much a Member of Parliament as other MPs. However, since 2017, a breakaway group is no longer entitled to a proportional share of staff support and…

Specific fatty acid-sugar molecules allow leprosy bacteria, among others, to hide from our immune system. How exactly is not entirely clear. Hessel van Dijk, who received his PhD on 13 October, replicated the molecules, helping to solve a piece of the puzzle. Van Dijk's dissertation is titled: Synthesis…

Initiatives like the Leiden University Green Office and the Career Service might not sound familiar to every student. If it is up to Bernice, this will change from this academic year.

Of the women studying at university, 52% have experienced some form of sexual harassment. For male students, the figure is 19%.