Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…

Future users of the Aleida Nijland building were recently the first to have the opportunity to admire the design plan for the new building. During a user meeting, architectural firm De Zwarte Hond presented the design, and future users of the building were able to share their wishes and ideas for further…

How is it that the internet works so well, with billions of users sending millions of gigabytes all together every day? That's because the foundation of the internet is solidly set up. Yet sometimes there are problems on the internet. For example, when certain systems misbehave and disrupt the routing…

This month marks the two-hundredth anniversary of the deciphering of Egyptian hieroglyphic writing. NINO, the Language Museum, Things that Talk and the National Museum of Antiquities are seizing the opportunity to organise the first Week of Ancient Writing.

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

Het schilderij van Rein Dool waarop voormalig bestuurders van de Universiteit Leiden zijn afgebeeld, is verhuisd naar de Receptieruimte van het Academiegebouw.

Why doesn't the Surinamese resistance hero and independence fighter Anton de Kom have a memorial site in his former hometown, The Hague, while there are streets named after colonial leaders? The students of university lecturer Anne Marieke Van der Wal-Rémy are committed to the erection of a statue.

Suddenly there they were, the Russian soldiers near the border of Ukraine. Since then, reports of tensions between Russia on the one hand and the United States and Europe on the other have dominated the news. What is going on? An interview with Russia expert André Gerrits.

How do galaxies form? That is what astronomer Mariska Kriek will be researching in the coming years. She received an NWO Vici grant of 1.5 million euros to study galaxies in the early universe. ‘This research uses new and unprecedented observations from the James Webb Space Telescope (JWST). These allow…

For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…

Another year's end draws near. And what a year it has been! On December 12th staff and students of the Faculty of Archaeology came together to celebrate and reminisce. Professor Joanita Vroom got us in a festive mood by telling tales of Byzantine banquets, while a chef served historical dishes to sa…

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

Martijn Manson became programme director for the Master’s in Pharmacy this month. He is a pharmacist as well as a lecturer and researcher at the LACDR (Leiden Academic Centre for Drug Research). ‘LUMC and LACDR share the responsibility for training the pharmacists of the future.’

During the ‘Hour of Remembrance’ on 4 May, the University community remembers its students and staff who were killed in the Second World War. It also looks at freedom and oppression today. Three questions for Sara Polak, chair of the Hour of Remembrance committee.

Generations of Leiden students and academics have done archaeological research into the early medieval history of Oegstgeest. This makes this old settlement one of the best-documented sites from that era. In a new book Leiden researchers take stock.

Leiden archaeologists have been conducting research with students and local archaeologists in Oss (in the province of Brabant) for 50 years. An exhibition at Leiden University shows how these finds tell the region’s story.

Many students on the Master’s programme in International Relations and Diplomacy had their internship cancelled last year because of the pandemic. As an alternative, together with Professor of International Relations Madeleine Hosli, they wrote a book: The Future of Multilateralism.

Looking for a different approach in the ongoing discussions on the ethereal matter of Romanisation, Ana Zora Maspoli joined Miguel John Versluys’ research group as a postdoc guest researcher. While she has been active in our Faculty since February 2022, you may not have met her yet due to the Covid-19…

Call for Participation for the online workshop Interrogating Speculative Futures: A workshop on the politics of imagining a future with(out) chronic illness on 19 and 20 July 2021.

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.

How does audio-visual material shape the identity of people when those people do not own their own land and are being oppressed? Bahar Simsek delved into the effect of film on the Kurdish identity. She will obtain her PhD on 4 May.

As part of Leiden University’s aim to be a safe and healthy environment for all staff and students, several activities and lectures were organised in an action week around suicide prevention. Dedicated benches were also placed at several university buildings, including at the Faculty of Humanities.

Two thousand years ago, the Middle East found itself caught between the rise of the Roman Empire in the west and the Parthian Empire in the east. PhD candidate Nolke Tasma has been awarded an NWO grant to investigate how local inhabitants experienced these changes.

A cover over your drink in the pub, deodorant as pepper spray or headphones to avoid hearing catcalling: many women use everyday objects to feel safer in public spaces. Student Anne van der Linden made an online exhibition about this.

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…

Is scientific research useful? In his dissertation, Jorrit Smit argues that in order to answer this question one should not look at, for example, prominent scholars or influential organisations, but at places where knowledge exchange and co-creation take place. Promotion 6 May.

It is one of the most famous moments in Dutch TV history: the twenty-three hour long marathon broadcast of Open het Dorp. But what happened to the commune for people with disabilities after that? Monika Baár and Paul van Trigt received a NWO grant of 750,000 euros to map the development of Het Dorp.

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 Defence White Paper, titled ‘Strong, smart and together’, is debated in the House of Representatives along with the Defence Budget and raises concerns especially in uncertain times.

Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…

After 7.5 years, Jan Kolen is stepping down as Dean of the Faculty of Archaeology. For him, it does not feel like a dramatic moment. ‘It is part of the role: you pass the baton on to someone else.’ He adds with a smile: ‘And I will remain connected to the faculty, so it is not really a farewell.’

Another year has reached its end. And what a year it has been! On December 4th staff and students of the Faculty of Archaeology came together to celebrate and reminisce. The event's central topic was the end of Jan Kolen's term as Dean. Martina Revello Lami moderated the event.

Researcher Femke Reidsma has been awarded a prestigious Rubicon grant. With this fellowship, she will spend two years conducting research at Harvard University, where she will join a leading paleoecology laboratory.

In the disk surrounding the young star WISPIT 2, not one but two planets are taking shape. Leiden PhD candidate Richelle van Capelleveen played a key role in this discovery, providing a rare glimpse into the early stages of planetary system formation.

A small cat with a big personality has captured the hearts of students and staff at the Faculty of Science. The black-and-white Bobby even has his own Instagram fan account. Who are the people behind Bobby ‘the astrocat’? ‘He helps connecting people on campus.’

Joanita Vroom is Professor in Archaeology of Medieval and Early Modern Eurasia, specializing in the material culture of the 7th to 19th centuries.

In the ESOF2022 mini-symposium organized by the Social Resilience & Security programme, international experts with a background in psychology, philosophy, and law discussed how the online world is related to adolescent mental health issues, moral and emotional awareness and children’s rights. In three…

Gilles van Wezel is a molecular biologist by training, with strong affinity for global regulatory processes that control the major processes in the bacterial cell. This led him via the control of protein synthesis (PhD thesis), via carbon catabolite repression (postdoc), to the two current main subjects:…

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food.

In a sailboat, a canoe or stowed away on a ship: during the Second World War, many Leiden students tried to cross the sea to join the Allies in Britain. ‘Soldier of Orange’ is the most famous, but who were the other ‘England voyagers’ or Engelandvaarders as they are known?

Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…

You can find an overview of the projects and a list of all research trainees below.

During the panels, alumni from all 4 FSW study programmes (Cultural Anthropology, Education and Child Studies, Political Science and Psycology) will share their experiences in their field of work. Each panel will focus on one field of work and will host 4 alumni, one from each FSW study programme.

Lecture, Leiden Translation Talks

How can you find an internship or research project and what arrangements do you need to make?

Often landscape restoration is seen as a quick technical fix, when a long-term and more sensitive approach is necessary. Within her PhD research, conducted over the past five years in South Africa, Ancois de Villiers explored how we can change this approach. ‘A damaged ecosystem can’t be "fixed" in…

Can we truly connect with each other through video calls? Yes, according to a recent study. Psychologists found our bodies synchronise almost as much in digital conversations as in real life. But this doesn’t mean we should skip in-person meetings altogether, says researcher Fabiola Diana.

For the next couple of years, Joris van der Voet, Associate Professor and researcher at the Institute for Public Administration will be heading a research project on top-level bureaucrats and how they go about making choices and prioritizing issues. He has been awarded a Vidi grant by the Dutch Research…

Earning some quick money by drug trafficking, committing an act of violence or almost collapsing under performance pressure. In the four-part NeurolabNL Young vodcast young people talk openly with neuroscientists about high-risk behaviour and performance pressure. How did they find their way back?

A new study carried out by Leiden archaeologists Hadar Ahituv and Amanda Henry, together with international colleagues, reports the identification and analysis of 650 starch grains preserved on basalt percussive tools (anvils and hammerstones) found at an early Middle Pleistocene site in Israel. These…