The Sanquin blood bank gathers data on every donation. Around 720,000 donations are made every year. ‘That generates a mountain of highly valuable data,’ says Leiden PhD candidate Marieke Vinkenoog.

Also in 2024, our colleagues from the Institute of Psychology were visible in the media in various ways. Check out their appearances in Dutch media, from NRC to the Podcast psychologist.

Over the past few years, citizen scientists from the Heritage Quest project have scoured the entire Veluwe and Utrechtse Heuvelrug areas for unknown archaeological heritage. One of the results of this research is that the number of known burial mounds in this area has doubled.

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. The announcement went down well with students: the available…

Can Zebra finches learn to distinguish two very similar Dutch words? Research by behavioral biologist Verena Ohms proved that they can identify 'wit' and 'wet'. Ohms published her findings in

As a result of globalisation, migration and technological advances, politicians have to make complex choices about social security and labour market policy. Professor by special appointment Olaf van Vliet will speak about this topic in his inaugural lecture on 7 June.

Young Academy Leiden (YAL) will change its board this month and welcome seven brand-new members.

The dark matter of biology: clumps of sugar molecules that, for example, form sugary webs around pathogens. We know very little about them. Wouter Remmerswaal threw all his talent into the challenge – both in the lab and as a modeller – and succeeded. He received his PhD on 12th September.

The more data from cancer research we pool, the better we can search for new treatments. But how can we keep patient data safe when sharing it? Leiden researchers will tackle this challenge in a major European project.

Most Leiden master’s students who graduated between October 2016 and September 2018 soon found a job that was related to their degree programme. These are the results of the 2019 Dutch National Alumni Survey (NAE: Nationale Alumni Enquête). The effects of the coronavirus crisis on the labour market…

And the construction has started! Students of the Leiden Science study associations ceremoniously hammered down the first poles of the new Gorlaeus on Tuesday morning. By doing so, they initiated the second phase of the construction of the second part of the new building.

Being rejected always hurts, but so does having to reject someone. Social psychologists have discovered that at interviews to select suitable housemates students dehumanise candidates to make it easier to reject them. That may sound harsh but, according to the researchers, it is also logical.

To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…

Skills training for students, researchers and entrepreneurs and guidance for start-ups. These are the prime tasks of the Centre for Innovation and Entrepreneurship – HUBspot – a joint initiative of Leiden University, the University of Applied Sciences Leiden and the municipality of Leiden.

With a success rate of approximately one in ten, receiving an ERC Starting Grant is a notable achievement. Recently, the European Commission announced that Sarah de Rijcke successfully applied for the project FluidKnowledge.

Besides being the author of such a classic work of literature as The Hobbit, Tolkien was also Professor of English Language and Literature in Oxford. How did he incorporate his research in his fiction? An international conference on the subject is being held in Leiden on 18 June.

The LUMC, Leiden University and The Hague University of Applied Sciences want to help health professionals support behaviour change in the population. Such change would help people live healthier lives and reduce their risk of disease. The Municipality of The Hague is supporting this educational project…

Who can pitch a book so well that everyone wants to read it? These are the winners of the 2025 Alternative Reading List Awards.

No less than seven scholars of the Faculty of Humanities were awarded a Veni grant. Veni grants are aimed at excellent researcher who recently obtained their doctorate. With a maximum grant of 250.000 euros, the laureates can develop their research ideas in the coming three years.

Leiden physicists Alexandre Morin and Samadarshi Maity study self-organisation and flocking phenomena. They shed light on flocking, which helps to understand how it is possible that birds in a flock don't collide. With plastic microbeads, they create an experimental setup and they developed a mathematical…

In an Advance Online Publication biophysicist John van Noort and others show using magnetic tweezers that DNA is folded in compliant helices of chromatin. This allows enzymes access to the DNA needed for gene expression. Van Noort's research group made the discovery in close partnership with researchers…

Children are perfect scientists: they are bursting with curiosity, they want to know how the world works and they go exploring every day. Yet many children barely get a chance to be engaged in science. A number of scientists from the Young Academy want to change that. They have received 150,000 euros…

He is occupied with the home stretch of his promotion. But in between, there is another challenge: Michael Meijer is going through to the finals of ‘The Smartest Chemist of the Netherlands’. On Tuesday 9 October, he and five others fight for this title during the Evening of Chemistry. ‘I was dragged…

What is the relationship between humans and nature like? And how can we use it to tackle climate problems? In the Master Honours Class ‘Planet in Peril’, students approach climate issues from the perspective of the humanities. ‘Things are not always as one-sided as they seem.’

Suddenly getting lost, failing to recognise family members, or forgetting words and names are well-known symptoms of Alzheimer's disease. Psychologists have now discovered that the disease also manifests in more subtle ways: through the rhythm of finger tapping.

Monica den Boer, who has decades of experience within police and defence and was also active as a Member of Parliament (D66), has been appointed extraordinary professor of Police Studies.

It’s better to cut our nitrogen emissions now than to solve the consequences later at great expense. That’s the lesson we can learn from the Dutch nitrogen crisis, according to nitrogen expert Jan Willem Erisman. In Science, he shares this lesson with other countries. According to Erisman, we should…

The Dutch National Student Orchestra will be going on tour again in February. Before that, they will have ten days of rehearsals. The level is high and taking part means a total immersion in music.

String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden theoretical physicists have now for the first time used string theory to describe a physical phenomenon. Their discovery has been reported this week in 'Science'.

Biodiversity and healthy ecosystems continue to decline in Europe, which has serious consequences for human welfare. These are findings of a report that was formally approved by delegates from 127 governments during a UN plenary in Medellin, Colombia. Leiden researcher Alexander van Oudenhoven was one…

Students from the International School Wassenaar took part in piloting a Children’s Rights module designed by Leiden Law School. They learned about their human rights and created advocacy campaigns to stand up for the rights of children around the world.

Assyriologists in Leiden have been conducting research into ancient clay tablets from the Middle East for 100 years already. What exactly do these clay tablets tell us? And why is Leiden such a good place to study them?

Francesco Ragazzi loves to talk about international relations. But what makes him really happy is if his students question the discipline. This has won him a nomination for the LUS Teaching Prize. Is he the best lecturer for 2019?

2021, again, sees a rich harvest of bachelor theses in Political Science. Students have been tackling fascinating subjects—ranging from European solidarity in the COVID-19 crisis to the representation of women in democratically elected parliaments—and crowning their research projects with interesting,…

How can parents avoid passing on stress and mental health problems to their children? Professor of Stress-Related Psychopathology Bernet Elzinga develops simple interventions to help both parents and young people. For her research, she has been awarded the Spinoza Prize, the highest academic honour…

Nathaniel Martin, Professor of Biological chemistry, wondered what would happen if you take an antibiotic that has been known for 70 years and try to improve it with the latest tools of modern chemistry. Turns out it can become up to a hundred times more potent and prevent the growth of some drug-resistant…

LERU, the League of European Research Universities, celebrated its fifteenth anniversary on 7 March in Brussels. The network of leading European universities has now grown to include 23 universities.

That corn was highly important in the Maya culture is something that Genner Llanes Ortiz, himself a Maya from the Mexican province of Yucatan, has always known, right from his childhood. But just how important the role of corn is in the collective memory of his people, is one of the subjects of his…

Leiden and Austrian researchers have succeeded in further uncovering how a plant cell passes on the growth hormone auxin in a directional manner to the next cell. Three proteins that cling together in a bunch appear to be essential for this important transport process. ‘This discovery solves a crucial…

The Master’s Open Day on 16 March was busy at all faculties in Leiden and The Hague. Thousands of visitors from the Netherlands and abroad came to Leiden University. ‘I want to find out more about the curriculum, and taste the atmosphere,’ said Sarah from Groningen.

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Astronomer Yamila Miguel is the first in this series to tell her…

Alumnus Ben Smulders has worked for the European Commission for the past 33 years. ‘The discipline and depth that I experienced during my student days has helped me through various stages of my professional career.’

On 30 April, Prime Minister Mark Rutte was presented with the manifesto of the NWO Youth Challenge, which contains advice for policymakers, scientists and administrators on the empowerment of youth in the time of coronavirus. The manifesto is based on research questions submitted to the science community…

Autism, Alzheimer’s, and bipolar disorder: can the development of these mental health conditions be influenced by the ketogenic diet? Increasingly, research suggests it might. 'For those it helps, it can be life-changing,' says neuroscientist Eline Dekeyster.

‘The pupils are enthusiastic and they miss you.’ That’s what a teacher from Haags Montessori Lyceum said in a mail to third-year student Resi Aarts (Bachelor’s in Physics) when she was unable to tutor the pupils one Friday. She and Sem Grootscholten (Master’s in Public Administration) support secondary…

LUMC Curium and the Dutch National Youth Council (NJR) have been working on integrating young people’s lived experiences of mental health problems in medical research and training. The aim is to broaden doctors' and researchers’ perspectives and improve the care offered.

Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…

Local residents, scientists and students are investigating riverbanks in Leiden for the 'Bank Plants' citizen science project. Which plant species are found where? And how can the municipality of Leiden improve its riverbank management to ensure optimal biodiversity?

Alumni and researchers met at two well-attended alumni dinners in Yogyakarta and Jakarta. The alumni reminisced about their time in Leiden and got to see their lecturers once again.

Toxys, Leiden University and Leiden University Medical Center have agreed immediately to commercialise and also develop further the ToxProfiler technology invented at the two institutions. ToxProfiler allows for rapid toxicity hazard identification of novel and existing drugs, chemicals, and other substances.…