Swarms of drones, pedestrians or the cells in your body. Those are all examples of active matter: materials whose building blocks can move autonomously. That’s what Luca Giomi studies. Giomi has been appointed Professor of theoretical physics in the area of soft matter and biological physics at the…

The International Health Regulations are a set of binding rules which organise the global response to viral outbreaks and other similar transboundary risks to public health.

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

Every Political Science master’s student at Leiden University completes their degree with thesis. The thesis provides students with the opportunity to pursue a topic of their choosing in depth and conduct independent research. It is a demanding task that requires dedication, attention to detail, and…

During the corona pandemic, the Chinese government's digital communication with its citizens changed. Hard propaganda was increasingly replaced by ‘soft news’. PhD candidate Dechun Zhang mapped the developments in digital society.

Polarisation is pervasive: in the workplace, within teams, and even at the top of organisations. Discussions become entrenched, emotions rise, and collaboration falters. Connections are lost through ‘us versus them’ thinking. The question is how leaders can maintain space for dialogue when tensions…

Did you know that Arabic was for centuries the lingua franca in an area stretching from the south of Spain to the Chinese border? And that the Middle East under Muslim rule was the world’s beating heart of trade, but also of science and scholarship? Want to learn more? Then sign up for the new MOOC…

On Thursday 19 October, the Crisis and Security Management programme welcomed back six alumni for an alumni panel.

How important is art in the community? And which role can the University play in this? At the first open brainstorming session of Uni for City, artists, students and policymakers discussed the theme of art in the community.

It is with great sadness that we announce the passing of our colleague, mentor, and friend prof. David Fontijn this Monday, May 1st, 2023. As he shared with us in October 2022, his health had been deteriorating the last couple of years. While his mind was still sharp as ever, his body struggled to keep…

Every year, an outstanding lecturer receives the Faculty Teaching Prize. Lecturers are nominated by students and a jury decides who receives the prize. The prize is awarded during the official opening of the academic year on 2 September. This year, students nominated four candidates.

For some devout Muslims, going to the cinema or viewing certain images is provocative and problematic. Ahmad Nuril Huda investigated the development Santri (young, pious Muslims) have undergone in this field over the past ten years. The Cinematic Santri is the result of his PhD research.

Welcome to the newly launched The Hague Diplomacy Blog! It is our aim to publish 10 blogs per year and we are very pleased that Ilan Manor has now joined our online team as HJD Blog Editor. We will solicit blogs and we also invite authors to make their own pitch, addressing new themes and perspectives,…

The Hague Journal of Diplomacy marks its 15th anniversary in 2020 with an award for the best article in the journal. The HJD Article Award is a biennial prize, like the Book Award that the ISGA-based journal will launch in 2021.

Three of our researchers have been awarded a certificate for receiving enough downloads to be in the top 10% of papers in 2022

Confronting your own biases, students of the course ‘Adults and Children in a Polarising World’ are not afraid to do exactly that. ‘The fact that my expectations of the interview were not in line with the outcome, was very informative.’

Museums have long focused on power, wealth and a few famous figures. But that is changing, says Valika Smeulders, head of the history department at the Rijksmuseum. What this change comprises and how it has come about is the subject of her keynote speech at the D&I Symposium on 11 January.

Fiffy the chimpanzee had rapidly developed cataracts in both eyes that made her as good as blind. Eye doctors at the Leiden University Medical Center (LUMC) have now managed to replace the lenses in both her eyes. As far as we know, Fiffy, who is thought to be between 30 and 40 years old, is the first…

There is greater variety in the size of men’s brains than of women’s. This could help explain why some psychiatric disorders such as ADHD and autism are more prevalent in boys. Leiden brain researcher Lara Wierenga has published an article about this in the international journal Cerebral Cortex.

The city centre of Leiden is covered in them: wall poems. When roaming around, you come across poetry written in the Latin alphabet, but also in scripts that might be more difficult to understand for the average person living in Leiden. In a new series of videos, Tijmen Pronk talks more about this.

Eline van Slijpe wrote her Master of Philosophy thesis on intergenerational justice: does the current generation have obligations towards future generations? With this thesis she won the biannual J.C. Baak Prize.

Wolves in the Netherlands mainly feed on wild animals such as wild boar and red and roe deer. But in areas such as Drenthe where these are scarce they also prey on free-roaming cattle used for nature conservation

Archaeologists and students from Leiden University and local volunteers have found a Roman camp in the woods near Ermelo. The camp is four kilometres away from another Roman fortification discovered some time ago. This confirms the idea that the Romans would also often explore beyond the boundaries…

Leiden alumn Colm O'Flynn joined the second MA programme at SAIS Bologna in 2015, and with good result: his final thesis was named the best of the year! Here, Colm shares his journey from Leiden to Bologna and beyond

Professor Peter Bisschop has been awarded an ERC Advanced Grant. He will invest the 2.5 million euros in his research into puranas: ancient texts, commonly written in Sanskrit, that are up to fifteen hundred years old.

In the early 2000s, Jatropha Curcas was worldwide promoted as a promising solution to global concerns on climate change, fossil fuel depletion and rural poverty. The seeds of this plant were supposed to produce valuable oil which could be used as biofuel. Henky Widjaja, PhD candidate at the Institute…

If you look at the postwar cartoonists of Dutch origin, Bernhard Willem Holtrop is certainly the most interesting, according to Frenk Driessen. He wrote his PhD thesis on Holtrop - who drew for HP/De Tijd and Charlie Hebdo, among others - and then also published it as a book.

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

For ten months, PhD student Sanne Rotmeijer worked on the editorial boards of various news media on Curaçao and Sint Maarten. She also tracked how news goes around on the streets and circulates on social media. The aim? To find out how stories became 'the news'.

The D66 proposed bill on Ending Life with Dignity is inadequately substantiated and contains contradictions. This is the view expressed by Professor of Political Philosophy Paul Nieuwenburg in his inaugural lecture on 17 March.

Women in the Middle Ages often wore better quality clothes than men. This is one of the conclusions drawn by Leiden archaeologist Chrystel Brandenburgh, who studied textile remnants from the period from 400 to 1000 A.D. PhD defence 10 May.

In Freedom Stories we share the freedom stories of our students and staff, in honour of Liberation Day in The Netherlands. Today, we share Leen's story. We asked her, what does freedom mean to you?

Bernet Elzinga (Clinical Psychology) is one of the seven scientists from the Leiden University who has received a Vici grant of 1.5 million euros from NWO. Vici is one of the largest grants for individual scientists in the Netherlands. The funding will enable her to do research for the next five years…

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…

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: Constant Hijzen researches secret services.

On Wednesday the 23rd of March 2016, Prof. Richard Leakey, the world renowned palaeoanthropologist and conservationist from Kenya and Honorary Member of the LEAD Programme, visited the LEAD Office to contribute to a PhD Workshop.

Dr Jenny Doetjes was appointed Professor of Semantics and Language Variation in February. During her professorship Dr. Doetjes wishes to focus on charting linguistic patterns between languages that, at first glance, seem to have little to do with each other.

Hari Nugroho explores the role of local dynamics in shaping Indonesian labour movements. By focusing on the micro-level, this research reveals how labour organisation strategies are influenced by individual actors' personal histories, their interactions, and the way in which they respond the local economic…

Leiden Mayor Peter Heijkoop visited the Faculty of Social and Behavioural Sciences and the Faculty of Science on Monday,

Isabel van Vledder and Dieuwertje van der Vlugt, 2 astronomy students from Leiden University, have mapped the entire Milky Way galaxy in dwarf stars for the first time. This result is the most comprehensive model ever for the distribution of these stars. The findings appear in a new paper in Monthly…

On January 5, Rosa Winter will obtain her doctorate in arithmetic geometry. She researched solutions of equations that define so-called ‘del Pezzo surfaces’. ‘I like geometry because I can imagine and draw the shapes and objects,’ says Winter. ‘That makes abstract mathematics feel more tangible.’

For nine years, Mirjam de Baar was vice-dean at the Faculty of Humanities. On Monday 17 March, she took her leave in the Academy Building. ‘You have worn out two deans, two vice-deans, four business managers and six assessors.’

The Klokhuis dedicates a special episode to Leiden alumnus and famous scientist Christiaan Huygens. Part of the episode was recorded at the Leiden Observatory. Leiden researchers also helped shape the episode, which debuts on Tuesday 2 November.

Aqueous solutions of proteins and carbohydrates separate into two parts with an extremely ‘soft’ boundary surface. The surface tension between these two parts can be manipulated, for example by adjusting the pH balance. This can be used to develop emulsions of a water-based solution in another aqueous…

The Executive Board has appointed Ineke Sluiter and Arnold Tukker as distinguished professors at Leiden University.

Micah DenBraber studied at Leiden University College in The Hague while pursuing an internship at the World Resources Institute (WRI), a self-proclaimed ‘think-and-do-tank’, where he built partnerships with the philanthropic sector, among other things.

On Wednesday 31 January, at 15.00 hrs, Vestert Borger will defend his dissertation entitled ‘The Transformation of the Euro: Law, Contract, Solidarity’ in the Great Auditorium of Leiden University. The dissertation has been written under the supervision of Professor Stefaan Van den Bogaert (supervisor)…

If you look closely, you may recognise the metal beams from the skeleton of the Circular Pavilion near Leiden Central Station: they come from the demolished Gorlaeus Highrise. The same beams have also been used for the circular construction of BioPartner 5 at the Leiden Bio Science Park, which will…

A piece of corrugated rubber can function as a simple computer, displaying memory and displaying the ability to count to two. Leiden physicists describe the computing rubber in the journal PNAS. ‘Simple materials can process information, and we want to find the principles behind that.’

An enormous number of monumental buildings, such as burial tombs, appeared in Mycenaean Greece after 1600 BC. Why did this urge to build come to an abrupt end 400 years later? Archaeologist Ann Brysbaert investigates the possible causes thanks to her ERC Consolidator Grant.