What is the best method and time to test the effectiveness of medicines? PhD student Rob van Wijk of the Leiden Academic Centre for Drug Research (LACDR) discovered zebrafish larvae are best used in drug research when they are five days old. His findings were published on 15 February in the journal…

Healthy communal meals that also prevent food waste. On 4 March, Hague alderman Robert Barker came to see what was cooking at the LUC Community Kitchen, a partnership between students and The Hague Market.

The way the great masters of the sixteenth and seventeenth centuries learned to draw is more similar to a present-day drawing class or book than you might think. Professor of ‘Art on Paper and Parchment’ Yvonne Bleyerveld tells us about the art of copying and model books.

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

Assistant professor Carmen Van den Bergh has been nominated for the Leiden University Teaching Prize. ‘I combine literature education with social relevance and personal experience.’

For a while, it was uncertain whether prominent American politician Nancy Pelosi would travel to Taiwan. But last Tuesday, she did visit – much to the displeasure of China. Asia expert Casper Wits explains why China reacted so strongly and what the consequences of the visit may be.

Discovering whether a chick is male or female while it is still in the egg. Leiden biotech company In Ovo, a spin-off of Leiden University, has been given an investment of several million euros to further develop its unique test method. The founders - both Leiden alumni - Wouter Bruins and Wil Stutterheim…

The internet is a good place to rapidly collect large amounts of data. But if you don’t watch out you’ll collect very biased, one-sided data. These were the warning words of the speakers at a symposium on 5 March about transparency and responsible data science.

‘If we all possessed just an ounce of Cleveringa, then all would be well in the world,’ said Professor Leo Lucassen. In the Cleveringa debate on the line between free speech and threatening speech he called for ‘more guts’. He is not the only one who thinks this is badly needed if the debate at the…

Particularly during this time of social distancing and remote learning, it is important to carry on meeting new people – even if you don’t always feel like it after another day staring at your screen, says Wessel van Dam. In his role as assessor at the Honours Academy, Wessel represents the interests…

According to some stories, Einstein washed his hands there only once. According to others, students moved it as a joke. Whatever the case may be, Einstein's sink has enjoyed mythical status among students and employees of the Faculty of Science for decades. But what is the real story? Alumnus Alex Pietrow…

Language is omnipresent: when you talk, app or meet in Teams. Understanding how we communicate with one another and what communication does to us is essential. In her inaugural lecture, Nivja de Jong will call to redress the balance between the sciences and the humanities.

Getting out and exercising rather than slobbing on the sofa, breathing in fresh air instead of cigarette smoke and grabbing healthy snacks instead of junk food. In a new interdisciplinary Medical Delta programme, researchers are going to investigate how to help people live healthier lives. What are…

Cramming from a book, making notes or learning summaries. In the past these were about the only ways to memorise your course material. But that has long since changed. Multimedia is the code word. But is it effective?

A study of the International Union for Conservation of Nature has identified tree species native to Indonesia’s Kutai National Park that are resilient to climate change. The species support threatened East Bornean orang-utan populations; therefore, the study recommends their use in reforestation efforts.…

People can be easily mislead with graphs. But they don’t necessarily stay misled, the research shows.

When following a course on archaeology of the Crusaders, five archaeology students were presented the unique opportunity to create a small exhibition at the National Museum of Antiquities. The coronavirus situation made a complex task even more challenging. ‘We had to work through the lockdown with…

Four students of the MSc Industrial Ecology have recently been selected to participate in the accelerator programme of the EIT Climate-KIC, which helps sustainable start-ups. The four students use coconut husks to develop sustainable boards, which can be used to make furniture.

One of the ambitions of the Learning@LeidenUniversity vision on teaching and learning is to foster an international and inclusive educational community in which everyone feels welcome, regardless of religion, sex, sexual orientation or cultural background. One student service that promotes inclusion…

Is my cap on straight? Where in the cortège will I be walking? These are some of the questions asked by professors joining the Dies Natalis procession for the first time.

How can the Dutch Sand Motor strengthen our coasts in a natural way? And how can this knowledge and experience help prevent coastal erosion in Jamaica? Researchers Alexander van Oudenhoven (Institute of Environmental Sciences Leiden) and Arjen Luijendijk (Delft University of Technology) have compiled…

In November 2024, Dr. Hana Kubatova (Charles University, Prague) visited Leiden to talk with students and our community about academic freedom and neutrality at the university. This meaningful event was planned by student leaders from CIROS (Community for International Relations and Organisations Students)…

Een internationaal consortium onder leiding van Olaf van Vliet heeft een Horizon Europe subsidie van 3,4 miljoen euro gewonnen. In het onderzoek staat centraal hoe wereldwijde sociale veranderingen zoals migratie, digitalisering en de klimaattransitie de arbeidsmarkt beïnvloeden en wat daar de gevolgen…

Master’s students in the Honours Class ‘Leiden, City of Refugees?’ were asked to contemplate the concept of ‘the other’ from both an academic and an artistic perspective. The result was the exhibition ‘The Invitation’ which was presented at Stadsbauhaus on 4 June.

The Dutch Research Council (NWO) is investing 197 million euros in 11 infrastructure projects that will be of great value to science and society. Leiden University and the Leiden University Medical Center (LUMC) are participating in eight of the eleven proposals.

A better balance between teaching and research duties, greater recognition of team performances and the elimination of simplistic assessment criteria. The ‘Academia in Motion’ paper published by the Leiden University Recognition and Rewards describes the main problems with recognition and rewards in…

Fifteen knowledge institutions and the Ministry of Education, Culture and Science have signed the covenant for Open Science NL. Leiden University has also joined the covenant, via the Universities of the Netherlands. This marks the start of the Dutch Research Council’s and brings the transition to open…

Laura Kamsma, Head of the International Office of our Faculty kept a travel log during her visit to the EAIE conference. You can read her report here.

He did an English-taught degree, completed a master’s abroad and now teaches on an English-taught programme at Leiden University College The Hague. Jan Meijer is the definition of an international researcher and he’s proud of it.

It was already known that social anxiety disorder often affects more than one person in the same family. But research by PhD student Janna Marie Bas-Hoogendam has now shown that there are genetic brain characteristics that are associated with social anxiety. The PhD ceremony will take place on 14 Ja…

We are all at home in familiar surroundings. Not only is this boring but it can also have a negative influence on our learning, explains cognitive neuropsychologist Judith Schomaker. ‘Discovering new environments gets our brain learning and remembering. We are now missing this stimulus.’

LIACS assistant professor Ben van Werkhoven leads the development of software for optimising graphics processing units. By now, version 1.0 of 'Kernel Tuner' is just around the corner. This milestone shows that the software is ready for serious use.

People come to court because of a legal dispute, and often think that the court decision will also resolve the underlying conflict. But that is not always the case. ‘Court decisions should provide a better response to the needs and the nature of citizens,’ argues professor by special appointment Rogier…

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

On the south coast of Sri Lanka is a colonial fort. Since it became a world heritage site, the fortified town of Galle has suddenly become a major tourist attraction. This has its pros and cons, says PhD candidate Uditha Jinadasa. PhD defence on 12 March.

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

A new 5.7 million euro research project will ensure that lettuce will be more resistant to pathogens and climate effects and will grow better in new cultivation systems. Together with other Dutch researchers, Leiden biologists will map the characteristics and genetic information of 500 wild and cultivated…

How can the university decide which partners to work with and why? This is a question many of us have, both within and outside our community. The advice presented by the Temporary Committee on Assessing Ethical Aspects of Collaborations should provide answers.

Want to explore a different specialist field? Or maybe study a topic from your programme in more depth? This summer Leiden University is again offering a broad selection of Summer Schools.

Many intelligence services have an outdated view of the world while the threats they should protect us from are becoming more complex. Serviceman and researcher Bram Spoor warns that NATO and member state intelligence organisations cannot always predict the dangers.

After having been cancelled in 2020, this year the Summer School in Languages and Linguistics is going online. From 12 – 23 July, language and linguistics enthusiasts from all over the world can once again learn about a variety of rare languages and linguistics topics. Director Sasha Lubotsky tells…

The Leiden municipality wants to make the city centre climate-proof and combat heat stress by greening it. But they want to do this in a way that does justice to the city’s heritage. Researcher Fenna IJtsma delves into historical greenery to offer inspiration.

During your studies you have to make a lot of choices. And there are so many possibilities, you sometimes can’t see the wood for the trees. Where do I want to do an internship? What are my options on the job market? Students Justin and Seif were also struggling with these questions, so they called on…

The League of European Research Universities (LERU) was launched in Leiden 20 years ago. This anniversary will be celebrated with a major conference (19 – 21 May) on an urgent theme: How does science contribute to sustainable and resilient societies? We put this question to Kurt Deketelaere, Secretary-General…

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…

Why do some people with adverse childhood experiences develop mental health conditions whereas others do not? A Leiden research project is looking for volunteers aged between 18 and 24 to help us understand more about human resilience.

Religious studies specialist and historian Tom-Eric Krijger talks about the new pope. Will he be a mediator or someone who dares to take a stand?

SRON Netherlands Institute for Space Research is moving. The headquarters of the institute will relocate to the Science Campus of Leiden University. In October 2019, the first pile was officially put into the ground; in 2021, the building will be ready for use. A first glimpse at the building that will…

Hanneke Hulst explaines how she is trying to bridge the gap between science and health care. ‘For a neuroscientist to actually contribute to solutions for patients, you have to work across disciplines.’

Is our musicality unique? That’s what the Bird Singalong project aims to find out. And for that, they need the help of feathered friends from all around the world. ‘By researching how parrots learn songs, we also learn more about the origin of our own musicality.’ Do you have a parrot that can sing…