The way DNA folds, largely determines which genes are read out. John van Noort and his group have quantified how easily rolled-up DNA parts stack. This costs less energy than previously assumed. Publication in Biophysical Journal.

Nanomaterials can pass much further along the food chain than was previously thought. The particles can change shape and size in each organism, enabling them to pass on to the next one in the chain. Researchers from the Institute of Environmental Sciences discovered this accidentally when using a novel…

Gabrielle van den Berg became the Academic Director of LIAS on 1 September 2025: “I hope I’ll be able to make a real difference.”

The SENSYN project has found a solution to few public datasets for criminological research: synthetic datasets. Marieke Liem talks about this unique innovation

Even embryos can become embroiled in an evolutionary arms race with another species. Leiden biologists demonstrate this with larvae of the rosy bitterling that parasitize the gills of freshwater mussels. They published their research on February 19 in PNAS.

Words originally intended to indicate space, such as ‘out’, are also regularly used to indicate cause and effect. Why does this happen? And how does it work in other languages? PhD candidate Camil Staps decided to find out.

The Just Peace festival is coming up shortly. From 21 to 24 September we will be celebrating peace in The Hague with some inspiring HagueTalks, the Peace in the Park festival and the annual Peace Run.

The academic year is drawing to a close, and summer is on the horizon. FGGA students are working hard to wrap everything up. We asked some of them to reflect on the past year and share their insights and tips for fellow students.

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…

Topology is an emerging field within many scientific disciplines, even leading to a Physics Nobel Prize in 2016. Leiden physicist Marcello Caio and his colleagues have now discovered the existence of topological currents in analogy to electric currents. Publication in Nature Physics on January 14th.

Dossier AIVD: that is the name of a new podcast launched by Assistant Professor Constant Hijzen (Intelligence Studies) together with research journalist Wil van der Schans on Tuesday 29 October. Five questions about the NPO Radio 1 podcast produced by Dutch broadcasting cooperation KRO-NCRV.

Until the 18th century, Latin annotations of well-known classical texts were an important source of scientific knowledge, but over the course of time the texts lost their authority. Classical scholar Maarten Jansen re-examines the annotations of Virgil's Aeneid. PhD defence 20 September.

‘Children do not see color’ is an illusion, say experts. Professor of the interdisciplinary tudy of societal challenges, Judi Mesman, was interviewed by the Dutch news platform NU.nl to share her expertise on the subject of speaking to children about racism and discrimination. Prof. Mesman's main research…

Who is the real creator when a musician uses AI? This was the burning question for Adam Lukawski, himself a composer. During a fascinating premiere at Amare, The Hague’s cultural hub, he demonstrated what cocreation sounds like.

On Wednesday, September 17, 2025, Prof.dr. Sarah Cramsey convened a book manuscript event at the beach of Wassenaar near Leiden to discuss her new book 'Caring through Catastrophe: Jewish Children and their Caretakers during the Holocaust' which is under contract with Indiana University Press.

If Europeans eat less meat and dairy, this will have major consequences for farmers. New research shows that many barns and machines could lose their value. With the right policies, these losses can be limited. This is shown by research from Leiden, Oxford and Vienna.

Chad-born youngsters in Paris come into contact with youngsters actually in Chad via Facebook: it would be difficult to find a better way to demonstrate the possibilities social media offer for people scattered across the world by war. Mirjam de Bruijn has been awarded a Vici grant for a study of the…

Saskia Goedhard was previously director of operations at the Hogeschool van Amsterdam and the UvA. Since April, she has brought her expertise to the Faculty of Humanities as director of business operations. 'Good business management is like water from a tap. You only notice it when it’s no longer th…

Local perceptions, attachments and knowledge are often not considered in the methodology of archaeology when researching a site, argues PhD-candidate Tomomi Fushiya. She proposes a broader integration of local perceptions in an archaeological narrative. PhD-defence on December 2.

Teachers viewed multicultural classes with VR glasses and discussed that for the study 'Culturally responsive teaching in multicultural classes'.

On July 28, 2022, our dear colleague Daniëlle Hamstra passed away after a short sickbed. Daniëlle had been associated with the Clinical Psychology Section since 2010, initially as a student in the research master's program and subsequently as a lecturer and PhD candidate.

Kira Nijland follows the master programme Policy in Practice and is since October the student member of the Institute Board of Cultural Anthropology. She previously gained board experience at study associations Itiwana and WDO. Now she would like to get to know the university structures from behind…

An international team of astronomers that includes researchers from Leiden has discovered the most distant galaxy yet. The galaxy, called EGS8p7, is 13.23 billion light years away from Earth and already existed when the universe was only 550 million years old.

Marc Koper, Professor of Catalysis and Surface Chemistry, has been elected as President Elect of the International Society of Electrochemistry (ISE). He will be President Elect for two years starting January 2019, followed by two years as President and two years as Immediate Past President.

To truly understand Dutch literature, we have to look beyond borders. At least, that is the view of Sander Bax. From 1 August, he will be Professor of Contemporary Dutch Literature and Culture in a Transnational Dynamic.

The History programme has been working for several years to make the curriculum more diverse and inclusive. With a Comenius grant, university lecturer Kim Beerden wants to take the next step.

The Netherlands holds the presidency of the European Union for the coming six months. There are too many urgent issues for the country to spend time on Dutch political hobby horses, says Stefaan Van den Bogaert, Director of the Europa Institute.

Each year a staggering 18 billion chickens, turkeys, pigs, sheep, goats, and cows either die or are killed without making it onto someone's plate. Environmental scientists Juliane Klaura, Laura Scherer, and Gerard Breeman were the first to calculate this number on a global scale. 'Reducing these numbers…

From a billionaires’ space race to the launch of tens of thousands of minisatellites: space is becoming busier than ever. This means more than enough work for Tanja Masson-Swaan, an assistant professor at the Institute of Air and Space Law at Leiden University. Because who makes the rules and makes…

As of April 1, physicist Dorothea Samtleben is the first female program leader of Nikhef, the National Institute for Subatomic Physics. Samtleben will lead the Neutrino Physics group there. ‘This is an important step for Nikhef when it comes to diversity.’

In 2021, the eleventh Conference of the International Society for Industrial Ecology will take place in Leiden. The Institute of Environmental Sciences Leiden (CML) has been elected to host the next biennial meeting at the latest conference of the Society in Beijing, China. ‘Industrial ecology can play…

Izra ter Weer's mother had studied English Language and Culture in Leiden and was always so enthusiastic about her studies that Izra decided to follow in her footsteps. After completing a Master's degree in Linguistics, she now works as a consultant at strategic consultancy firm Sprenkels and organises…

De laatste puntjes en komma’s worden gezet op het hoofdlijnenakkoord van de beoogde coalitie. De betrokken partijen presenteren morgen hun plannen, waarna volgende week een afrondend debat volgt met de informateur. Staatsrechtgeleerde, Wim Voermans duidt de zaak in een uitzending van Sven op1.

In a new video series for the Corpus Kids Academy, researchers Marieke Bos and Janna Marie Bas-Hoogendam explain how the adolescent brain develops and how anxiety works. 'We wanted to present the information simply, while still preserving the complexity.'

Klimaatverandering, geopolitieke spanningen en botsende belangen in het Arctisch gebied dwingen tot hernieuwde aandacht voor handhaving en rechtvaardigheid. Hilde Woker, gespecialiseerd in het recht van de zee, spreekt in een uitzending van Kennismakers Radio Sleutelstad over dit actuele onderwerp

Who doesn’t want peace? Yet we don’t always appreciate how fragile it really is. This is why Leiden University was a co-organiser of the Just Peace Festival from 21 to 25 September 2016.

From monitoring pollution to tracking rainfall, citizen science comes in different shapes and sizes. But at its heart, it’s about the relationships between citizens, policymakers and researchers.

Dutch citizens are not opposed to additional earnings and financial gifts for people on welfare, but believe it is important that there should also be an obligation to look for a job. This was the outcome of a research project on the opinions of Dutch people regarding the implementation of welfare p…

Farmers on the outskirts of Nairobi National Park protect their livestock using flashing lights on top of the animal enclosures. This system keeps lions away at night. Leiden research has shown that the method is both simple and effective. Publication in PLOS ONE.

What is Planet A? A new exhibition in the Old Observatory sheds light on how we all have different perceptions of earth. In five art installations, visitors are confronted with their own beliefs and how these differ from those of others.

How do you go about the sustainable restoration of a nineteenth-century ship without affecting its historical worth? Leiden University students from the master’s programme in Industrial Ecology spent six months working on this question. We spoke to Hidde Boom (25) and Tycho Jongenelen (25), two of the…

As one of the first environmental scientists ever, Arnold Tukker received the honorary doctorate at Linköping University on Saturday 12 November. This Swedish university awarded Tukker for his scientific work to establish a circular economy.

Economic law, environmental law and human rights are important fields of law for sustainable development. But they do not interact sufficiently, which makes it difficult to implement sustainable development.

Nearly eight decades after the liberation of Auschwitz, we continue to learn more about how the Holocaust “happened” in central and eastern Europe. In Prof. dr. Sarah Cramsey’s History MA Research Seminar “New Approaches to the Holocaust in Central and Eastern Europe,” a dozen Leiden students read what…

All the planets in our solar system orbit around the Sun in an ecliptical plane. This is to be expected because our solar system was formed from a so-called protoplanetary disc. PhD candidate Anna Miotello has studied these kinds of discs and how they influence the formation of stars and planets. PhD…

The FGGA starter grants provide researchers with the opportunity to launch innovative projects that contribute to both scientific knowledge and societal impact. In this article, Allard de Graaf and Joy Lee share their experiences and ambitions for their research, made possible by this funding.

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.’

The city of Leiden is enriched by a dense infrastructure of knowledge institutes, with a uniquely strong focus on health and well-being. This gives Leiden

Now that it is becoming increasingly easy to digitise texts, it seems almost obvious to do that with everything that has ever been written. University lecturer Verena Meyer thinks that is too simplistic. ‘We need to look more closely at the political and cultural effects of digitisation.’

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…