Rich countries are getting richer because of environmentally polluting (construction) investments from the past, largely at the expense of poor countries. This was shown by long-term economic and environmental data. 'The gap between poor and rich countries is widening.' Scientists from the Leiden Institute…

Next generation immunodermatology (NGID) is a nationwide, large-scale project, funded by a large grant of the Dutch NWO to unravel novel biomarkers for six different skin diseases. These biomarkers will drive a high-tech, patient-centric approach in clinical practice. Health psychologist Sylvia van…

A consortium, led by Erik de Maaker (CADS, Leiden), has under the NWA scheme (Dutch National Science agenda) been awarded 98k€ for Localizing Global Garment Biographies, a two-year project to research the different ways by which users and producers attach value to garments.

Quantum technologies are in demand worldwide, but until now Leiden students could not specialise in them. The new master’s program QIST (Quantum Information Science and Technology) is going to change that. Researcher and professor Jordi Tura i Brugués: ‘We need to train the next generation of quantum…

Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies, and Hadassah Drukarch, explored the role of intersectionality within (rehabilitation) robot design, testbed, and standards. Being oblivious to these considerations may give way to the development of robots that fall short of…

With the conference circuit slowly reopening after Covid forced almost all academic interactions online, thousands of conference attendees descended on Brussels for Europe’s largest technology conference. eLaw’s annual sponsorship of one of the many CPDP conference panels brought a diverse range of…

The effects of sustainability projects on poorer, marginalised people should be considered at a much earlier stage. This is the opinion of Marja Spierenburg, Professor of Anthropology of Sustainable Development and Livelihood, who will give her inaugural lecture on 25 February.

Hans Slabbekoorn is specialised in animal sounds. On 1 July, he was appointed professor of Acoustic ecology and behaviour. A great honour, according to the new professor. ‘This job never gets boring, whether I am investigating the urban jungle or marine noise.’

Professor of Privacy and Cybercrime Bart Schermer researches the relationship between new digital technologies, enforcement and human rights. What cybercrime trends can he see that are relevant to an organisation like Leiden University?

Astronomers and surgeons from Leiden are collaborating with industry to develop an optical instrument that delivers faster, more accurate imaging of tumour tissue and abnormal blood flow during surgery.

Pancras Hogendoorn bade farewell as Dean of Medicine and Vice-Chairman of the LUMC Board of Directors with a symposium at the LUMC.

In 1808, the United States banned the transatlantic slave trade. Not everyone was happy about this, as Marcella Schute discovered. In her thesis, she shows how politicians from Louisiana made serious attempts to restart the slave trade in the mid-nineteenth century.

Dr. Elif Naz Kayran received the Best Dissertation Award from the Migration & Citizenship Section of the American Political Science Association (APSA) for her dissertation 'Political Responses and Electoral Behaviour at Times of Socioeconomic Risk Inequalities and Immigration'

Preventie, signalering en opsporing van seksuele uitbuiting van jongeren kan effectiever via buren, klasgenoten en andere mensen uit hun sociale leefomgeving. Dit volgt na onderzoek van universitair docent Ieke de Vries in samenwerking met het Centrum Kinderhandel en Mensenhandel (CKM).

An online ceremony, no party and then no signature in the Sweat Room: during the pandemic, many graduation traditions could not take place. Now anyone who graduated in corona time may still come and sign their name.

Biophysicist Alireza Mashaghi and his collaborators are taking up the fight against muscular dystrophy: genetic disorders that cause muscle weakness. They want to inhibit the clumping of proteins that results in toxic aggregates. For this, the team receives 550,000 euros from Health Holland. The team…

After a gap of five years, Leiden has a new Professor of Modern China. Florian Schneider started his position on 1 September.

The Executive Board has appointed Ineke Sluiter and Arnold Tukker as distinguished professors at Leiden University.

Opening van het Quantum Delta NL (QDNL) Talent & Learning Centre (TLC) Leiden-Delft.

Scientific Director of the Leiden Academic Centre for Drug Research (LACDR) Hubertus Irth: ‘We test substances and look for new concepts for treating disease.’

At the first Climate Café of 2025, we celebrated the one-year anniversary of The Hague Climate Agreement and reflected together on the successes and opportunities for the future.

Christina Toenshoff has been awarded the Virginia Walsh Dissertation Award for her PhD dissertation on corporate climate lobbying. The Leiden Political Scientist, according to the jury, ‘makes a significant contribution to the study of climate and business politics.’

Understanding what our buildings and cities are made of is an important step in making them more sustainable. Industrial ecologist Tomer Fishman (CML) has received an ERC Starting Grant to map the construction materials used in buildings in the Global South. 'Without the data, you can't formulate po…

Cancelled trains, massive queues at Schiphol Airport, nursery closures and long waiting times for health care. These are all the results of labour shortages. Economist Lars van Doorn can see some possible solutions but has some less optimistic news too.

The Dutch Research Council (NWO) has, within the framework of Research along Routes by Consortia (NWA-ORC), awarded the research project Next Generation Immuno-Dermatology (NGID) with a prestigious grant of 11.7 MEuro. NGID is a nationwide, large-scale project to unravel novel biomarkers for six different…

Since 1 October 2022, Sarah Nelson is a Postdoctoral Researcher at the Institute for History. Below she introduces herself.

Organisation, Research

How do you get citizens more involved in energy transition projects? This is the central question of the new transdisciplinary research project EmPowerEd. As a consortium partner, Leiden University is focusing on effective and inclusive collaboration between citizens, municipalities and industry.

The European Commission adopted a proposal regarding common rules promoting the right to repair for consumers.

Sustainability researchers can play an important role in the energy transition. But what if their partners are not (yet) sustainable and science itself has adverse effects? This is the subject of an online talk by researcher Thomas Franssen on 16 December with a discussion afterwards. ‘Clean energy…

On August 30, the online platform Historical Maps of Southeast Asia was launched. The platform provides access to over 1,400 digitised maps of Southeast Asia from the collections of the National Library Board Singapore (307 maps), Beinecke Rare Book and Manuscript Library - Yale University (150 maps),…

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

What can you learn about Bangladesh that cannot be found on Google? On 24 September, bachelor students of International Studies and Southeast Asian Studies were given an answer to that question. In a well-filled lecture room, the ambassador of Bangladesh, Riaz Hamidullah, gave a lecture about his co…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Should we be growing rice and building materials instead of grass for cows? From invasive crayfish to cultural heritage and groundwater levels: ten graduating students explored the future of the Groene Hart, the rural region just outside the cities of Delft, Rotterdam and Leiden where they study.

During the kick-off meeting, master students taking part in the Thesis Workshop The Hague Southwest presented their thesis ideas to stakeholders from the neighbourhood.

The tenth Europa Lecture was delivered by Corinna Wissels, State Councillor at the Administrative Jurisdiction Division of the Dutch Council of State, deputy justice of the Dutch Trade and Industry Appeals Tribunal and member of the EU-UK Withdrawal Agreement arbitration panel.

Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the Industrial Ecology student, the award is a crowning achievement after a difficult period of recovering from long COVID.

Just like scientific articles, patents cite scientific literature to support their findings. These references provide valuable information on how science is used to develop practical applications. However, extracting this information from patents is not that simple.

In his research, he uses the tools and methods of physics and applies these to today’s most important challenges in electrochemistry. Now, he brings his internationally recognized expertise in nanoscale electrochemistry to Leiden University, where he contributes to pioneering solutions for the energy…

In the Monaco Energy Boat Challenge, students from across the globe build and race boats powered by sustainable energy. Leiden public administration student Damiaan Bertrams has entered with a team from Delft University of Technology.

Where European integration has long been understood as a peace project, Joris Larik argued in his Havel-Cleveringa Lecture that recent developments point to an accelerated shift towards a European Union that places its interests, security and geopolitical position more centrally.

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

Sustainable rose smell that can be produced on a large scale. Tobias Fecker made this into a possibility during his master's thesis, which was a collaboration between the IBL and the TU Delft. He wins the fourth edition of the Krijn Rietveld Memorial Innovation Award.

The fastest chemical reaction in the universe takes place inside our eyes.

Research

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements below.

Lecture

International collaboration is essential to research and teaching but it also brings risks. Such as sharing sensitive knowledge and technology or foreign interference in research. Rector Hester Bijl explains what staff can do to prevent this.