White clouds of ice-cold gas flowing across the floor. Magical, but be careful not to freeze your fingers off. We are of course talking about liquid nitrogen and helium. You may have seen the spectacular Freezing Physics science show by the student organisation Rino. But did you know that this commodity…

How does the government know whether science policy has the desired effect? According to Professor Barend van der Meulen, a variety of evidence about the effectiveness of science policy and proper gathering of this evidence are more important than a strict scientific method. Inaugural lecture 27 Ma…

Recently Professor Joanita Vroom’s book Feeding the Byzantine City was published by the prominent academic publishing house Brepols. This volume is the fifth in a series called Medieval and Post-Medieval Mediterranean Archaeology, of which she is the editor. ‘This series aims to offer new perspectives…

Smooth platinum electrodes roughen and wear when subjected to repeated cycles of oxidation and reduction, which causes nanometer-scale mounds to grow. Leiden chemists Leon Jacobse and Marc Koper, together with physicist Marcel Rost, discovered the exact details, using a unique tunneling microscope.

Asylum seekers wanting to get to Australia often end up in a detention centre on the tiny island state of Nauru. What effect does this ‘outsourcing’ of asylum seekers have on human rights? PhD candidate Patrick van Berlo went to Australia to investigate.

It was busy at the Bachelor's Open Day of Leiden University. Over 7,000 prospective students had come to take a look at Leiden. What did they expect of their chosen programme? Would they join a student association? Would they move out of home? Feedback from five prospective students.

Learning to cycle without a handbrake, saying sorry if you're late for a lecture and fathoming out the weird sounds of Dutch. Leiden's new international students get a crash course in Dutch culture during their introduction week.

As many as 3,472 students from the Faculty of Humanities have filled in the National Student Survey (NSE) in the spring of 2021. This represents a 46% response rate, which is considerably higher than previous years. The results will help study programmes and the faculty to work on what is going well…

Secret services are engaging in increasingly extreme forms of cyber espionage. But nobody talks about this. Dennis Broeders knows why and is trying to have an open conversation about new forms of espionage. As Professor of Global Security and Technology, he will give his inaugural lecture on Friday…

Op 9 juni jl. vond in de rechtenfaculteitskamer van het Leidse Academiegebouw een workshop plaats over tradities en aanpalende concepten, zoals politieke cultuur, spelregels en constitutionele conventies. Tijdens de bijeenkomst presenteerden en bediscussieerden juristen, historici, politicologen en…

The Royal Netherlands Academy of Arts and Sciences has elected five Leiden professors from different disciplines as new members. Two of the new members are women.

It is often thought that immigration threatens the solidarity on which redistribution relies. But looking at the post-war period, PhD candidate Emily Anne Wolff finds that this is not the case.

How can initiatives aimed at environmental conservation and climate change mitigation in the eastern Himalayas proceed from the cultural expectations of its indigenous ethno-linguistic minorities? Enabled by an NWO Open L grant, the research project 'Futuring Heritage: Conservation, Community and Contestation…

All first-year bachelor’s and master’s students at the Faculty of Archaeology have been assigned a student as a mentor to help them find their way around their new city and degree programme. These mentor groups, with ten to fifteen students, will also give students the chance to get to know one another.…

As of 1 May 2018, Nicole de Voogd has been appointed as Professor by special appointment Global change and marine ecosystems at the Institute of Environmental Sciences (CML). She is currently senior researcher at Naturalis Biodiversity Center in the field of tropical marine ecosystems.

The Repository from the Drug Disease Model Resources (DDMoRe) consortium provides a home to a collection of computational models of disease and drug action that have been used in pharmaceutical and/or academic research. This publically available open-access resource will make it easier for researchers…

People in the Early Bonze Age used bronze artefacts as a means of payment. This is the conclusion reached by archaeologists Maikel Kuijpers and Catalin Popa in a PLOS ONE article published on 20 January.

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.

How can we best treat infectious diseases in people with obesity? Hospital pharmacist and PhD researcher Koen van Rhee studied how obesity affects blood levels of two commonly used medicines. He also developed a method for pharmaceutical companies to test new drugs on this patient group.

Historian Marjan Schwegman is the new Cleveringa Professor. Her lecture on 27 November will focus on Eduard Meijers, the Jewish professor who was dismissed by the Nazis. Schwegman's previous posts include Director of the NIOD Institute for War, Holocaust and Genocide Studies.

The LGI is pleased to annouce that seed money has been granted to Dr. Miguel John Versluys (Archaeology), Prof. Caroline van Eck (Art History) and Prof. Pieter ter Keurs (Anthropology) for their research on Globalisation, materiality and the transference of cultures.

The research group headed by Leiden chemist Marc Koper has discovered a catalyst that minimizes the production of chlorine gas during salt water electrolysis. The invention can enable the direct production of hydrogen from seawater. The article has been published in the Journal of the American Chemical…

How do surgeons avoid causing nerve damage or leaving cancerous cells behind? An interdisciplinary research group at the LUMC hopes to improve operations and make them less invasive with the aid imaging techniques. They are working with medical companies to make these techniques widely available.

During the first weekend of October, a group of fourteen Master of Arts in European Union Studies alumni returned to the place it all began, 15 years after graduating from Leiden University. The international group, representing the Netherlands, Norway, Slovenia, Bulgaria, Hungary, Latvia, Belgium and…

Researchers from the Netherlands Cancer Institute, the Leiden University Medical Center (LUMC) and Oncode have created a tracking system that can reveal how often cells have divided. This allowed them to find a yet undiscovered population of immune cells: young memory cells that behave like stem cells.…

Why do vulnerable groups fail to make use of benefits that they are entitled to? This is what Max ten Velde researched in his Master’s in Management of the Public Sector thesis, which has been nominated for the Netherlands Court of Audit’s thesis prize.

Psychedelic drugs like magic mushrooms and LSD are embraced by some and seen as lethal by others. Cognitive psychologist Michiel van Elk delved into the world of psychedelic drugs and wrote a surprisingly sober book about them. ‘Without first-hand experience my story wouldn’t be complete.’

Author and political scientist Mounir Samuel has spent recent years delving into the many ways that language can exclude people and bring them together.

Professor Pieter ter Keurs has spent his entire career studying collecting. Now, he is retiring. ‘I hope the focus on collections will carry on.’

Following the news that TomTom is cutting 300 jobs due to the use of artificial intelligence (AI), FGGA researchers Friso Selten and Alex Ingrams responded with opinion pieces. They place the news in a broader context and call for a more nuanced debate on AI and job losses.

All acute care staff at Leiden University Medical Center have received their first and sometimes even their second dose of the coronavirus vaccine. But how long will you be protected after vaccination and what does the genetic material of the virus do in the vaccine? Our virologists Ann Vossen and Leo…

While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…

In Spring 2023, Leiden University’s Faculty of Governance and Global Affairs (FGGA) launched a new Honours Class ‘Model European Union Simulation: Policies, Negotiations and Transatlantic Experiential Learning’.

The rule of law is crumbling in the Netherlands, lawyer Lilian Gonçalves-Ho Kang You warned in her Cleveringa Lecture.

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

All over Europe you will find ethnographic museums with large collections of indigenous objects from Latin America. These collections shaped the image of native populations in the European mind. An ERC Starting Grant allows Dr Martin Berger to look at the bigger picture, contextualizing individual collections…

It was a unique meeting at the Academy Building on 10 April. Around 200 local entrepreneurs came to a networking event hosted by Leiden City Centre Management and Leiden University.

Global Ethnography alumna Elleke Schreur has won the FSW Thesis Prize 2024 and has also been nominated for the University's Thesis Prize 2024. As part of the master's programme in Cultural Anthropology and Development Sociology, Elleke's research explores how the experiences of homeless people differ…

On March 28, 2023, our esteemed colleague Prof. Harry Wijshoff passed away. He died after a struggle of several months against a serious illness.

The European Research Council (ERC) announced the awarding of 494 Starting Grants to young scientists across Europe. One of these scholars is Corinna Jentzsch, Assistant Professor of International Relations at the Institute of Political Science. She received this grant for her research project ‘Countering…

Five Leiden research projects in history, law and AI have received SSH Open Competition M 2024 funding from the Dutch Research Council (NWO). The researchers have up to five years to work on a promising idea.

The Leiden Leadership Programme is going to innovate. After 12 years, the honours track for master’s students will get a new set-up. We asked two of those involved about the ins and outs of the new LLP. ‘You learn what leadership style suits you and how to make an impact.’

For his dissertation, Joost Akkermans searched for areas of improvement for delicate fetal laser surgery with Twin Transfusion Syndrome (TTS). This syndrome occurs in the Netherlands 60 to 70 times a year among single-egg twins sharing one placenta. Treatment is possible, but not without risk. Inaugural…

From simulations of galaxies to analyses of MRI scans: scientific research needs more and more computing power. Leiden University is planning to set up a completely new facility for high-performance computing. The green light was given officially on 20 June.

Organised in three separate sessions throughout the day, and broadcast live online to guests and families who could not join, over 200 students received their Bachelor’s Diploma of International Studies on 3 September 2021 at the graduation ceremony in the historic Pieterskerk in Leiden.

People who are often stressed can feel calmer by making certain adjustments to their breathing. Possibly this also positively affects concentration and attention. Psychologist Roderik Gerritsen studied the effects of breathing differently for the first time, and explains them. Gerritsen receives his…

Wil Roebroeks, Professor of Palaeolithic Archaeology in Leiden, is to be awarded the ‘Academy Professors Prize’ of the Royal Netherlands Academy of Sciences (KNAW). Roebroeks has drastically changed academic thinking about the behaviour of early hominins and our knowledge of the earliest colonisation…

Victoria Nyst's love for sign language was sparked when she accidentally ended up at a deaf school while studying African linguistics. The university lecturer has since been awarded a Vici grant to research the history of these languages.

What better way is there for an alderman to find out where best to put his efforts than to pay a working visit to the university? Hilbert Bredemeijer, Alderman in The Hague for Education, Sport and the Outdoor Space, paid a visit to Campus The Hague on Wednesday 6 October 2021.

Ruurd Halbertsma combines his work as a curator and professor by special appointment with writing thrillers. 'I'd rather respond to the discussion on looted art this way than by joining talk shows.'