Scientific research at the molecular level on a collection of medieval skeletons from Norton Priory in Cheshire, United Kingdom, could help rewrite history after revealing they were affected by an unusual ancient form of the bone disorder, Paget’s disease. Osteoarchaeologist Carla Burrell, attached…

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.’

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.

The topics of discussion included multiple choices questions, research on teaching, workload and many other things. On 29 October four new enthusiastic fellows were installed in the Leiden Teachers’ Academy and presented their research innovation projects.

There’s a lot that goes wrong in the treatment of patients with PTSD caused by childhood trauma. Endowed professor Maartje Schoorl wants to resolve this by bringing scientific research closer to the practice. Inaugural lecture on Friday 29 April.

Stress among students is a growing problem. A new Student Wellbeing taskforce will be looking at the mental health of students at Leiden University.

International alumnus Alejandro tells us in a flash about why it is so important to physically be in Leiden for your studies, about how important his Advanced Master was to his employers and how AI and tech affects his line of work.

At science festival 'Over de kop', surprising brain facts alternate with confronting stories from the operating room. Researchers explain why our brains love beans and why you should never ride a racing bike without a helmet.

Every year many Leiden lecturers and students visit an international university for the purposes of research or study. In the coming newsletters a different Leiden scholar will give his or her view from abroad.

Twice a year, Gert Renkema, FGGA's Head of Financial Economic Affairs, offers us an insight into all that is going on around FGGA's finances. 'We are still growing strongly as an organisation and had 16% more turnover last year. That's a lot.'

‘It's right and proper that we have policies to prevent terrorism,' says Francesco Ragazzi, university lecturer in International Relations at Leiden's Institute of Political Science. 'But the way the policies are designed and implemented can have unintended consequences. For example, when teachers are…

There are approximately 60 million skateboarders worldwide. And yet in the academic world, this culture is not always looked upon seriously. Visual anthropologist Sander Hölsgens believes that this has to change. Last summer his book 'Skateboarding in Seoul' and the accompanying film 'Reverberations'…

Not all problems are easy to solve, but with enough bright minds, you make progress step by step. ‘The kind of problems I am interested in have been occupying mathematicians for over two millennia,’ says theoretical mathematician David Lilienfeldt. In September, he started at the Mathematical Institute…

Raised by his grandmother and grandfather, trained as a doctor, the medical director of a camp for Eritrean refugees: Ephrem Tesfay was anything but a typical student when he arrived in Leiden in 2019. Still, he fit in well with the ‘youngsters’.

However tempting it may be to lock yourself in your room or in favourite library nook in the days running up to an important exam, it's not a very wise choice, stresses neuroscientist Judith Schomaker.

‘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.’

Our motto is Praesidium Libertatis, or ‘bastion of liberty’. How did it come into existence, and in what way is Leiden University staying true to its meaning? Five questions about our motto.

Plastic pollution is a major environmental issue. Although regulation is being adopted, plastic pollution is still increasing. Effective and strict enforcement is key and NGOs and civilians can be instrumental in this.

In the nationalist nineteenth century, people developed an interest in medieval language and literature. The study of medieval material in one’s own vernacular was thought to reveal a great national past. But why, then, was Old English studied by Germans, Danes, Italians and many other nationalities…

Charlotte Poot (31) is co-founder and chair of Hospital Hero, an app that prepares children for a hospital visit. She studied and obtained her PhD at the LUMC.

This week more than 400 international students are starting their study programme in Leiden or The Hague. Why did they choose to study here? And what is the advice from their mentors?

Collaboration is worthwhile. A joint LUMC and Leiden Law School project has received €142,500 from the Dutch Research Council (NWO). This grant will advance research into the law and ethics of regenerative medicine.

As an enthusiastic nature lover, Maaike Kempes began studying biology at Leiden University. Now, she is extraordinary professor of Forensic Neuropedagogy at the faculty of Social Sciences. She is researching how neurobiology plays a role in delinquent behaviour among young people. ‘They’re like Ferraris…

The Spanish Society of Soil Science has chosen as the best thesis of 2015 (call 2016) in Spain to the CML-researcher Daniel Arenas Lago, for his research at the University of Vigo that expands and deepens in new knowledge about adsorption and retention of heavy metals in soils, an issue increasingly…

European dependence on Russian gas, earthquake damage in Groningen and the changing climate: the call for an energy transition is getting louder. This transition will be accompanied by an increasing demand for 'new' raw materials. The Geo-Resources for the Future minor looks at exactly that developm…

Many European citizens feel connected to the European Union and place trust in it, Eva Grosfeld found in her PhD research. Yet around a quarter do not identify with the EU at all. How can the EU regain their trust?

Close contact between women and dogs in prehistoric times Women and dogs were in close contact in the neolithic age of hunters-fishers-gatherers. This has been suggested by Leiden osteoarchaeologist Dr Andrea Waters-Rist and fellow researchers who have studied a tiny biological fossil. The fossil was…

Electrochemist Marc Koper has been awarded an ERC Advanced Grant of 2.5 million euros for research into chemical reactions driven by electrodes and electricity. He hopes that new insights will make it into the textbooks and help design green processes, such as making fuel from greenhouse gas.

Every Sunday you can help fish plastic and other floating garbage out of the Leiden canals. You can use your own canoe or loan one from Plastic Spotter and join the garbage-fishing fleet. Annetje Ottow, President of Leiden University, was one of the crew on Sunday 4 July.

After an extremely painful conclusion, the Western allies have left Afghanistan and the Taliban have regained supremacy. How will Afghanistan move forward, and what does the departure mean for global relations? Rob de Wijk, emeritus Professor of International Relations and Security, analyses the failure…

Getting to know all his colleagues as fast as possible, and learning about the faculty’s strengths: these will be Jasper Knoester’s first challenges. Jasper became the new Dean of the Faculty of Science on 1 January, and he is optimistic about the corona restrictions. ‘Obviously, this isn’t the start…

Everyone benefits when cooperation runs smoothly However, people often act obstructively. Why do they do that? Professor of Social Psychology Carsten de Dreu researches this issue using a wide variety of methods, from brain scans to the role of religion. Inaugural lecture 7 October.

Graduation MIRD Class of 2024: 'The world is better off with students like this'

With a Vici grant of 1.5 million euros, Professor of Mathematical biology Roeland Merks will look for ways to fix messy and leaky blood vessels in tumours. His research combines mathematical simulations and lab experiments in a unique way.

To achieve societal impact, you need to do more than solely writing academic articles. That's the idea behind the Master Honours Class 'Leiden Revisited', in which students demonstrated with art how residents at the outskirts of Leiden experience the city. 'It's the perfect way to start the debate.'

Using mathematics as a weapon against desertification. With this subject, Robbin Bastiaansen managed to win the C.J. Kok Jury Prize 2019, the prize for the best dissertation of the Faculty of Science that year. Nine months later, we speak to him about this prize. How does he look back on it?

On 20-21 June, the Society for Terrorism Research (STR) held its annual conference in Oslo. The Center for Research on Extremism (C-REX) of the University of Oslo led by Professor dr. Tore Bjørgo hosted one of the main academic conferences in the field of terrorism studies. The central theme was the…

It may not seem necessary to install special tap water stations in University buildings, but it is very useful: every tap here also means a tap in a developing country. With the the 35 tap water stations that Leiden University installs, the slum area of Madoya in Nairobi will soon have clean drinking…

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

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…

He had been emeritus for 13 years when he suddenly received an email from Poland. Professor of Inorganic Chemistry Jan Reedijk was awarded an honorary doctorate from Nicolaus Copernicus University in Toruń. During the celebration of the 550th anniversary of the birth of patron Nicolaus Copernicus,…

The Hortus Botanicus is celebrating its 425-year anniversary this year. It’s the oldest botanical garden in the Netherlands, but how did it come into existence and what kind of research takes place there?

Nienke Weijermars studied Public Administration at the Faculty of Governance and Global Affairs. While doing her bachelor’s, she enrolled in the minor in Journalism and New Media, followed by an internship at Dutch local newspaper Leidsch Dagblad: 'At Leidsch Dagblad, they really had time to teach me…

In the ‘Educatips’ column, Psychology lecturers share their most important insights about teaching. This month: Ambra Brizi uses AI to encourage students to reflect and think more critically. ‘What are the limitations, and what is the potential of this technology?’

Observations made with the ALMA telescope in Chile and ESA’s Rosetta mission, have detected the faint molecular fingerprint of methyl chloride in gas, a chemical commonly produced by industrial biological processes on Earth, around both an infant star and a comet. Methyl chloride, also known as Freon-40,…

Leiden physicists have been awarded 1.5 million euros for developing a hybrid microscope that provided nanometer-resolution. 'The idea is to combine the resolution of electron microscopy with the pros of optical microscopes.'

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,…

A new year, a new project, a new name: The Hague Program on International Cyber Security. Professor Global Security and Technology Dennis Broeders was awarded a grant of 2 million Euros by the Dutch Ministry of Foreign Affairs

What impact does growing up in a musical environment or during the COVID-19 pandemic have on the brain development of teenagers? This was the focus of psychologist Lina van Drunen’s PhD research, which studied hundreds of twins. Her findings reveal that practising music slows brain development, presenting…

With his essay 'Why science?', mathematics prodigy Lars Pos (18) won the Robbert Dijkgraaf Essay Prize. Within the theme 'The fascinating workings of science', the bachelor student wrote a plea for the societal value of fundamental scientific research. 'Because you don’t know beforehand where we can…