Human activity at sea makes a terrible racket. To what extent does this disturb marine animals? PhD candidate Annebelle Kok studied the effect on harbour porpoises, long-finned pilot whales and their prey, and discovered the sheer complexity of the problem. PhD defence on 12 November.

Law firms play a dubious role in important land disputes in Indonesia. They act as fixers and settle conflicts to the advantage of large companies. PhD candidate Santy Kouwagam studied their modus operandi. PhD defence on 23 June.

Autistic children have indeed potential: most of their emotional abilities improve with age, concludes developmental psychologist Boya Li in her research on the emotional development of autistic children. Promotion on 10 November 2021.

They were pleased enough to receive a grant from the LUF International Study Fund (LISF). That the same research internship would also win them a prize is beyond their wildest expectations. Phebe van Langevelde and Nynke Anna van der Mark won, respectively, the Janneke Fruin-Helb grant for the best…

Arjan Louwen (MA) will start a PhD research project on the social and ideological aspects of Late Bronze Age and Early Iron Age cremation graves in continental Northwest Europe (1100-500 BC): Breaking and making the ancestors. Making sense of the inconspicuous 99% of urnfield graves.

On 14 and 15 March, students can register as candidates for a place in the University Council (UR) or one of the faculty councils. But what do these participation bodies do? UR member Femke van der Meulen takes us through the agenda for the next meeting.

On 26-28 June, 2023, Leiden University’s Institute for History will host a summer school on Socioeconomic diplomacy and global empire building, 16th-19th centuries, in collaboration with the N.W. Posthumus Institute (the research school for economic and social history in the Netherlands and Flanders)…

During Seeing Stars Leiden all the lights around Leiden Observatory will be switched off for an hour. The more lights that go out, the more stars we’ll be able to see. For the LUMC, this is the perfect moment to think about our biological clock, the topic researchers from the BioClock consortium are…

Health and well-being staff spend at least 25 per cent of their working hours on admin.* Time that could be used for care. Much of this work could be automated with artificial intelligence. The LUMC is the first in the Netherlands to offer medical students AI language model programming internships.

Alumna Esmée Winkel, scientific illustrator and botanical artist, has been awarded a gold medal by the British Royal Horticultural Society for a series of six watercolours.

Legal protection. What do those involved in youth care and child protection understand by this concept? And what needs to change to improve legal protection? This question was explored by researchers from Leiden University’s Department of Child Law. Their research fits with the government’s ambition…

Animal species that are dear to us in the Netherlands often spend a large part or all of their lifecycle in other parts of the world. But their habitats worldwide are under increasing pressure, are often inadequately protected and much poorer than the global average. ‘If we truly care about these animals,…

Over the past few years, citizen scientists from the Heritage Quest project have scoured the entire Veluwe and Utrechtse Heuvelrug areas for unknown archaeological heritage. One of the results of this research is that the number of known burial mounds in this area has doubled.

The new Erfgoed Gezocht/Heritage Quest website means you can play armchair detective and hunt for undiscovered burial mounds in the Veluwe. This will help stop them being destroyed by construction projects. The website is the initiative of the Leiden University Faculty of Archaeology in collaboration…

The annual LION Image award goes to the 30 micrometer long 3D printed microboat image that went viral earlier in October 2020, submitted by Rachel Doherty of the Daniela Kraft lab.

How did you get to where you are now? This is a key question in the Academic Life Course board game, developed by and for academics. ‘In a normal working week we hardly ever talk about the career choices we make, but with this game, we do.’

Young researchers met this month for the fifth Science Communication Summer School. ‘This is the first time some participants get to meet other researchers who also enjoy science communication. It’s great to see’, says Julia Cramer, one of the coordinators.

Traces of the past remain hidden in rivers, lakes and seas. In his inaugural lecture Martijn Manders will explain why underwater archaeology is important to understanding our history.

Strengthening a cancer patient's own immune system so that the body itself can better destroy cancer cells. This is at the heart of immunotherapy, the most promising progress in cancer treatment in recent years. In order to drive this development further, the Netherlands Cancer Institute-Antoni van…

The Countering Syndemic Vulnerability project supports communities by identifying and tackling clusters of social factors and health problems. The project works with residents and professionals in the Moerwijk district in The Hague and the Stevenshof district in Leiden.

Neanderthals were able to make fire on a large scale with the aid of pyrite and hand-axes. This means they could decide when and where they wanted fire and were not dependent on natural fire, as was thought earlier. Archaeologist Andrew Sorensen has discovered the first material evidence for this. Publication…

Wouter Verschoof-van der Vaart is refining an artificial intelligence system that can detect and classify archaeological objects on digital images. Such a system is desperately needed because human archaeologists around the world are being flooded with data.

The doctor suggests opting for a treatment that is better for the environment. How do patients react to this? Doctors and psychologists together discovered that this has little impact on patient confidence in the doctor.

In October, LUCIS and NIMAR will host a two-day workshop in honor of the 50th anniversary of Islam Observed, Clifford Geertz' comparative study of Islam in Morocco and Indonesia. Send in your proposal and get a chance to share your work in Rabat this fall.

Leiden has scored highly with the recent Vici awards. Of the 31 Vici winners announced by NWO, 4 are researchers in Leiden. The winners are: Professor of Family and Child Studies Marian Bakermans-Kranenburg, information scientist Peter Grünwald, astronomer Linnartz and Professor of Buddhism Jonathan…

On 15 January, the winner of the famed LION Image Award will be announced. Submissions ranged from the famous 3d printed microboat to an eerily abstract graph depicting a Majorana fermion.

During the New Year’s reception of the Faculty of Social and Behavioural Sciences (FSW) on 12 January 2026, Sarah de Rijcke said farewell as our dean. She will become the new Rector Magnificus of Leiden University. It was not the only change of leadership announced that afternoon.

'What nature made isn’t necessarily an optimized medicine to use in the human body,’ says Professor of Biological Chemistry Nathaniel Martin. That’s why a group of Leiden researchers is making a chemistry-based improved version of the frequently used antibiotic vancomycin. They received an NWO NACTAR…

The COVID-19 pandemic and associated measures during the first lockdown in the Netherlands in March 2020 caused major changes in daily life. Parents worked from home and children followed school online. Therefore, the families were forced to spend more time together. This is particularly difficult for…

Following the news that TomTom is cutting 300 jobs due to the use of artificial intelligence (AI), FGGA researchers Friso Selten and Alex Ingrams responded with opinion pieces. They place the news in a broader context and call for a more nuanced debate on AI and job losses.

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

As part of the celebrations around the 25th birthday of the Faculty of Archaeology, a panel discussion on the future of archaeology was organised on December 13th. For this discussion an international panel of scholars was invited to give their perspective and enter into conversation with our Faculty…

Each year, Latin American diplomats meet the researchers and students from Leiden University who specialise in their region. This year, they visited the Faculty of Social and Behavioural Sciences. ‘The social and behavioural sciences have improved our understanding of social unrest.’

A former employee of Leiden University breached academic integrity. This is what the Academic Integrity Committee (CWI) of the University concludes in its advice to the Executive Board of the University on 11 November 2019. The Executive Board has taken various steps.

Drones zijn in korte tijd onderdeel geworden van het dagelijks leven. Ze worden gebruikt door hobbyisten, bedrijven, politie en defensie. Tegelijkertijd groeit de zorg dat dezelfde technologie ook kan worden ingezet door kwaadwillenden. Onderzoeker en promovendus Stijn Willem van 't Land zocht dit u…

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It is the largest database for space ice yet: The Leiden Ice Database for Astrochemistry: LIDA. Created by astrophysicists at the Leiden Observatory, LIDA includes not only hundreds of measurement data, but also software to examine astronomical observations and prepare new measurements with the James…

From time to time, manuscripts that have remained hidden for centuries turn up in library collections and archives. In the archives of the 17th-century Bibliotheca Thysiana at the Rapenburg in Leiden, kept in the Leiden University Library, Rotterdam researcher Erik-Jan Bos discovered a hitherto unknown…

Heritage expert Monique van den Dries has a long history with our Faculty. She did her studies and PhD in Leiden, and before returning to academia in 2008, she worked in heritage management for nearly 15 years. This has, given her a unique insight in the world outside of academia. ‘I want to literally…

On Tuesday 12 April Angus Mol and Aris Politopoulos have been awarded the fourth LUCAS Publieksprijs.

Psychologist Bernou Melisse was shocked at the long waiting lists in the Netherlands for people with binge-eating disorders. The problem was not yet on the map in Saudi Arabia. She therefore decided to study how people suffering from binge eating can be helped better in their own region of the world.…

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…