Democracy may lead to more deforestation in the tropics. So write environmental scientist Joeri Morpurgo and his colleagues in the prominent scientific journal Biological conservation. They found that competitive elections are associated with more loss of tropical rainforest than elections without competition.…

What happens in the brains of people with psychiatric illnesses? With a €23.23 million gravity grant, scientists from different fields will search for biological causes over the next decade. ‘By joining forces, we hope to improve diagnosis and treatment for patients with these diseases.’

Via Microsoft 365 and OneDrive you can work from all kinds of places and on different devices without having to use Remote Workplace.

Brightspace is Leiden University's digital learning environment. With Brightspace you can share course materials, grades and updates with your students. You can create and evaluate assignments and quizzes, perform plagiarism checks, provide personalised feedback and peer-feedback, and start discussi…

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

Via Microsoft 365 and OneDrive you can work from all kinds of places and on different devices without having to use Remote Workplace.

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

Congratulations on your awarded grant. Here is a checklist of what to do next and who you will need to involve to get your project started.

Follow these steps to start a new mailing or newsletter.

If you need any help with your research or if you encounter problems during your PhD track, Leiden University provides several different types of support for PhD candidates. There are also groups, networks and communities in which you can meet other PhD candidates.

The University pays out salaries on pre-determined dates. Additionally, the holiday allowance is paid out in May and the end-of-year bonus is paid out in November.

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

Leiden University Medical Center (LUMC) and Leiden University will start a new two-year English-taught master’s programme in Population Health Management (PHM) on 1 September 2021. The programme, which has been given the green light by the Accreditation Organisation of the Netherlands and Flanders (NVAO),…

From March 1, Alenka Prinčič will be the new Head of the Centre for Digital Scholarship (CDS) at Leiden University Libraries. Her expertise in the areas of Research Support, Research Infrastructures and Open Publishing as well as her longstanding experience as a manager are excellent starting points…

Prof. Nele Mentens and her team are going to investigate how we can better secure our electronic and mobile devices connected to the Internet of Things. For this PROACT project she will receive no less than 1.8 million euros from NWO. They will use this money to develop chips that make the Internet…

Marta Fiocco has been appointed as of 1 April as professor of applied mathematics, in particular medical statistics. Fiocco's appointment is at the Faculty of Science and at the Leiden University Medical Centre (LUMC). She conducts research into 'personalised medicine', tailor-made medicines for cancer…

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

An international team of astronomers has shown that a white dwarf and a red dwarf orbiting each other every two hours are emitting radio pulses. Through the discovery, astronomers now know that the monopoly on bright radio bursts is not solely held by neutron stars. The team of international scientists…

On Thursday 30 May, Leiden University hosts a workshop to foster collaborations to improve the governance of European textile waste export. Different stakeholders, including municipalities, associations of textile collectors and sorters, industry and consumers associations, are warmly invited to join…

Statistician Anja Rüten-Budde has won the C.J. Kok Jury Award 2020. Her PhD thesis resulted in an app which helps patients with soft tissue sarcoma and their doctors to make well-considered choices about the treatment. ‘Her work is interdisciplinary and directly relevant for society,’ the jury state…

ICT

The more than 370 sensors that have been hung up in Leiden University buildings to count the people present will not be switched on again. The equipment will eventually be removed from the buildings.

The Executive Board of Leiden University has appointed Jan Kolen as the University’s Artificial Intelligence (AI) Coordinator as of 1 February 2022. In this role Kolen will take the lead in regional and national cooperation relating to the topic of AI, data and digitalisation.

During the LACDR Fall Symposium, Scott Engels received the Suzanne Hovinga Award for the ‘best master thesis’. Scott performed his RP1 research under the supervision of Dr. Amanda Foks and Virginia Smit in the Aging and Immunity group at the division of BioTherapeutics.

The SAILS conference The Future of AI is Here (and Guess What … it’s Human) brought together researchers and policy makers to discuss the important issues in the area of artificial intelligence (AI). Where are the opportunities and what are the dangers?

An impressive 22 research projects by Leiden researchers have been awarded Veni funding from the Dutch Research Council (NWO).

When you think of a library, you probably picture books – or students quietly studying. But for subject librarian Rutger de Jong, most of the work happens online. ‘We never throw anything away. Everything produced here in the name of science should remain findable.’

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

It often takes longer for women with heart problems to get the right diagnosis. In her Annie Romein-Verschoor Lecture, Professor Hester den Ruijter will talk about how hormones influence the heart and the importance of medical research that focuses specifically on women.

Seven researchers from Leiden University have been awarded an ERC Starting Grant. This will enable them to start their own project, build their research team and put their best ideas into action.

Quantum technology, statistics and a survey with memes: definitely not your everyday research. Julia Cramer (Leiden Institute of Physics) and Sanne Willems (Institute of Psychology) investigate how people perceive quantum.

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

A new university-wide survey is now open to all involved in conducting, teaching, advising on, or supporting research related activities at Leiden University, aiming to better understand the current state of Open Science awareness and practice. Initiated by Archaeology’s then PhD candidate, now guest…

One used 3D cell models to study colorectal cancer, while the other used machine learning for more efficient blood donation. For these achievements, Marieke Vinkenoog and Simon Christian Hansmann were awarded the Krijn Rietveld Memorial Innovation Award on Tuesday 2 September.

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

How much energy and greenhouse gas emissions can Dutch homes save? Xining Yang uses Leiden as an example and shows with his research how enormous the impact can be. At least, if we work harder on becoming more sustainable. Based on the models he developed, Yang will receive his doctorate on 28 June.

ICT, Organisation

To tackle the high workload at our university, and at the insistence of the University Council, the Executive Board launched the Workload Reduction Fund last year. The first fund-financed projects have since begun. Two staff members explain how their ideas can help others.

Thanks to a clever research method, progress is being made in the quest for better tuberculosis medications. Within an American consortium that received a 30 million dollars grant, Leiden researcher Rob van Wijk plays a significant role. ‘The next breakthrough in tuberculosis research will come much…

An international team of astronomers, led by Will Rocha of Leiden Observatory, using the NASA/ESA/CSA James Webb Space Telescope have discovered that the key ingredients for making potentially habitable worlds are present in early-stage protostars, where planets have not yet formed.

Around 1,300 Leideners found 2,265 species during the Expeditie Stadsnutuur urban biodiversity inventory. ‘It’s been a huge success’, says scientific coordinator Frederic Lens.

PhD candidate Jianhong Zhou aimed to better understand whether and how plant species adapt to environmental changes. She developed two databases that she used to analyze how easily or difficultly plants adapt to changing conditions. Zhou defended her PhD thesis on 4 September.

During his PhD research, mathematician Tyron Lardy worked on a new approach to hypothesis testing. Instead of the traditional p-value, he uses so-called e-values. These turn out to be more flexible – especially when you want to look at your results midway through the study.

With the number of externally funded research projects at the university on the rise and funding bodies setting ever-stricter requirements, it can be challenging to keep track of budgets, deadlines and reporting. The new Vidatum tool makes managing external projects easier for researchers and research…

Learn how to use Maileon’s editor and how to follow the editorial guidelines.

Since 2020, the Krijn Rietveld Memorial Award has been annually presented by dsm-firmenich for the best master's or doctoral research at the Faculty of Science in the field of life sciences combined with data science. As of 2024, this award will be split into three prizes with a broader scope of research…

Elena Maria Rossi is fascinated by black holes. Her appointment as a professor was a long-held wish, partly because there are so few female professors in her field. ‘My appointment is also a milestone for the Leiden Observatory.’

The supermassive black hole at the center of the Circinus galaxy is being fed with gas by two spiral arms. This is what PhD candidate Wout Goesaert discovered. But only a small percentage disappears into the black hole, the rest is ejected.

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.’