Martina G. Vijver has been appointed professor of Ecotoxicology at the Institute of Environmental Sciences of Leiden University with effect from 1 December 2017.

On Thursday the 29th of October, Kennis Maken Den Haag organises the third edition of Den Haag Draait Door. In this online talk show, experts and policymakers will discuss problems that exist in the city of The Hague. During this edition, as usual, students, researchers and residents from the region…

Mrs. Dr. Constance (Stans) Eikelenboom passed away on Sunday, March 12th, at the age of 95. She was the founder of the 'Stans Award', a prize which every year has been given to the best student article of the Institute of Environmental Sciences (CML).

Call for Papers for the Conference to be held on November 29th and 30th at Leiden University and coordinated by Prof. dr. M.A. (Marcel) Cobussen, involving Keynote speakers Salomé Voegelin, Gascia Ouzounian, Holger Schulze, and Jean-Paul Thibaud.

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

The Herta Mohr Building is leading the way in sustainable innovations, for both Leiden University buildings and beyond. It is the university’s first fully gas-free building and the new Thermal Energy Storage system alone will cut carbon emissions by 150,000 kg per year. The building has an ‘Excellent’…

We are delighted to announce two new exciting research projects at the Grotius Centre for International Legal Studies! Dr Misha Plagis and Dr Hilde Woker have each received a starter grant for their collaborative research projects. Dr Hilde Woker and Dr Jason Rudall have received funding for their project…

In a new Leiden-Delft-Erasmus Universities white paper, researchers and practitioners start the conversation that society desperately needs to have. ‘We’ve outsourced the visionary thinking to tech companies.’

Students of the European Union Studies track of MA International Relations visited Brussels this October and met many Leiden alumni who already work there.

Arco Timmermans is Professor by special appointment Public Affairs at the Institute of Public Administration. On Dutch television programme 'EenVandaag', he discussed the remarkable changes that have been made in a report on lung cancer in and around the Dutch city of Beverwijk that was presented by…

Leiden University College The Hague (LUC) is celebrating its fifth anniversary. This English-language programme with on-campus teaching for excellent students has proved to be a great success. On Saturday 10 October, the LUC will be celebrating in Diligentia Theatre in The Hague with numerous speakers,…

Leiden University and African Child Policy Forum hold ‘ground-breaking’ workshop on antimicrobial resistance (AMR) and human rights in Africa

Cars are equipped with catalysts to disarm toxic exhaust gases. Platinum plays an important role there. Leiden physicists and chemists have now for the first time seen the mechanism behind a platinum catalyst. With a fundamental understanding of the process, scientists can use this rare material more…

Almost 100 billion tons of CO₂ could be pulled out of the atmosphere by the end of the century. That is, if high-income countries switch to a plant-based diet. The double carbon profit of returning farmland to its natural state would equal about 14 years’ worth of agricultural emissions, researchers…

Hans Slabbekoorn, researcher at the Institute of Biology Leiden, is one of the editors of the latest volume of the Springer Handbook of Auditory Research (SHAR). This book is filled with everything known about the effects of sound on vertebrates. Slabbekoorn’s contribution to the book as a co-author…

The eight ambitions of Leiden University's vision on education - Learning@LeidenUniversity - were the key theme of the packed Education Festival on 19 June. More than 200 lecturers and students came to PLNT, Leiden's innovation hotspot, for inspiration and best practices in the field of educational…

Microorganisms that temporarily ‘go to sleep’ play an important role in the evolution and survival of a population. Mathematician Shubhamoy Nandan conducted research on the effect of this characteristic called ‘dormancy’ in a novel mathematical model.

Although seen as the fastest and cheapest way to global climate protection, a uniform global carbon price would have major consequences for the economic competitiveness of countries. Hauke Ward, who recently joined Leiden University, showed in the journal Energy Economics that modern western countries…

The Dies Natalis for alumni was held on Saturday 10 February, organised by the Leiden University Fund (LUF) together with the University. Almost 500 alumni came together in the Kamerlingh Onnes building to celebrate the 443rd anniversary of the foundation of their alma mater.

A programming competition in Minecraft? It really exists! And even better news: this time LIACS’ student team Mike's Angels achieved the first place! The team has been rewarded $500.

Editors: Irene Hadiprayitno, Elena Burgos Martinez, and Rizal Shidiq (Leiden Institute for Area Studies, Leiden University, the Netherlands)

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

Research of the Leiden Institute of Chemistry into the development of a sustainable fuel cell has accidentally resulted in an exceptionally efficient catalyst for the production of hydrogen peroxide. The catalyst, discovered by Dennis Hetterscheid and PhD candidate Michiel Langerman, may lead to a more…

With a 'Kiem grant' of up to €10,000, Leiden University stimulates initiatives in research and education where diverse fields of study meet. This interdisciplinary approach helps solve complex issues.

An online course offered by Leiden University on the European Union is among the top 50 MOOCs in the world. This was announced recently by MOOC platform Class Central.

The energy and water consumption and CO2 footprint of all buildings at Leiden University can now be seen on its new Duurzaam in Beeld website. ‘We do a lot about sustainability,’ says Jeroen Waijenberg, Sustainability and Energy Coordinator at the University’s Real Estate Directorate. ‘But our efforts…

Feeling nostalgic, Professor in Public Administration Science Bernard Steunenberg explains how some years ago he would occasionally show a TV broadcast to his students, first removing the videotape from its big box and putting it in a VHS player. Today, a student from Maastricht, sitting in the train…

On 1 September, Ad Maas, curator of Rijksmuseum Boerhaave, was appointed professor by special appointment. In this role, he will primarily focus on the representation of natural sciences in museums.

In order to be able to handle the pressure of modern life better, Koreans practise GiCheon: intensive exercises for body and spirit. This movement theory is based on the tradition of mountain ascetics, but GiCheon is primarily a modern urban phenomenon. This is the conclusion of PhD candidate Victoria…

On 25 September, lights throughout Leiden will be turned off for the Seeing Stars event. What makes the urban night so special? We asked university lecturer Sara Brandellero, who researches cities, night and migration.

A few weeks ago, Dutch pension giant ABP decided to divest from fossil fuels. But is this actually going to help the climate? Natascha van der Zwan, Arjen van der Heide and Philipp Golka (Institute of Public Administration, Leiden University) address this question in our new article for S&D.

Inviting members of the public to help monitor wildlife, photograph plants or conduct samplings. These are some of the many examples of Citizen Science. It is increasingly recognized as effective and impactful for collecting data, but also for engaging the public in scientific research. In Nature reviews…

‘We intend to use the arrival of SRON in South Holland to give a serious impetus to research and activities related to space travel and astronomy in the broadest sense of the word.' These were the words of Rector Carel Stolker of Leiden University at the ceremony where the first pile of the new SRON…

On Tuesday 4 September, Martina Vijver delivered the scientific lecture during the academic opening of the Faculty of Science. Martina is professor in Ecotoxicology at CML and would like to have collaborations with colleagues from the Leiden Centre of Data Science. We had a brief interview with her.

Leiden University College is buzzing with life again. On 13 August, this year’s new crop of students moved into their rooms. For more than two hundred first-year students, LUC will be their home for the next three years. On the occasion of ‘moving day’, we spoke with three of them.

Chemists developed a new graphene-transferring method which makes use of cyclohexane. This new method leaves less impurities on graphene, is easier to handle than current methods and is widely applicable in graphene research. The publication will be on the cover of the journal ACS Central Science late…

Vanaf september 2025 biedt de Faculteit Governance and Global Affairs de bacheloropleiding Cybersecurity & Cybercrime aan. Deze unieke Nederlandstalige opleiding leidt studenten op tot veelzijdige cyberexperts. ‘Er is veel vraag naar specialisten op het gebied van cybersecurity en cybercrime’.

Leiden University is going to offer two new Economics degree programmes at its campus in The Hague: the bachelor’s in Economics and Society and the master’s in Public Sector Economics. The NVAO has decided to award accreditation to both programmes, which will be taught in Dutch. The bachelor’s programme…

With its Green Deal The European Union has set itself much-needed ambitious climate goals. But the energy crisis and geopolitical tensions are making these difficult to achieve. Seven researchers from the Leiden-Delft-Erasmus Universities (LDE) alliance have written a white paper offering solutions.

A discount on textbooks is always welcome. But for these students joining a study association has meant much more than that alone.

Almost a thousand students started HOPweek in The Hague on Monday morning. During this introduction week students get to know the city, the university and each other.

Smiling faces, a mass dance and a bit of awkwardness: after two ‘corona editions’ of EL CID, the Leiden introduction week is back with a vengeance this year. A total of 3,412 first-year students from Leiden University and University of Applied Sciences Leiden, accompanied by 486 mentors, started EL…

So many interesting programmes, but which one suits me best? It was the Bachelor’s Open Day in Leiden and The Hague on Saturday 12 October. Among the many things to do in The Hague, prospective students could find out more about three new bachelor’s programmes: Science for Sustainable Societies, Cybersecurity…

Lecture

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…

This was the question Leiden researchers from the Institute of Environmental Sciences CML posed in an article published last week in the journal Resources, Conservation, Recycling