Recently, our respected and talented former colleague Bente Hilde Bakker passed away after a long and brave fight with illness. She received her mathematical training at the Vrije Universiteit in Amsterdam and also obtained her PhD there under the supervision of Jan Bouwe van den Berg and Robert van…

In many student cities, the number of corona infections grows, and in Leiden we can also see rising figures. Especially in student housing, it is sometimes difficult to keep your distance, how do you do that? We asked students about mutual agreements in their student housing.

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

The bacterium Vibrio cholerae is a serious threat to our health because it is the causative agent of cholera. Worldwide, over a billion people per year are at risk of cholera infection. New strains of V. cholerae are resistant to the multiple drugs used to treat cholera, meaning that new types of drugs…

On Saturday 16 January 2016, the Faculty of Archaeology opened its doors to welcome over 100 archaeology and living archaeology enthusiasts from all over the Netherlands. They were participating in a full-day symposium organised by Céline den Engelsman and Casper van Dijk, BA3-students from the archaeology…

An international congress, lectures and a new book series and magazine. It’s a hot topic at the moment that attracts broad public interest. Researchers, from historians to legal experts, are bringing together their expertise in the Leiden Slavery Studies Association.

On Tuesday, the 16th of May, the Faculty of Archaeology put a festive end to the 25th year celebrations. The programme included a dedication of our largest meeting room, the sealing and burying of a time capsule, and a BBQ.

The idea that socially anxious people avoid eye contact because they are not interested in other people needs to be changed. They take their information from other physical sources, such as people's hands. This is the finding of Leiden psychologist Mariska Kret whose research has been published in…

A quarter of all Dutch students suffer burn-out symptoms, and an even greater percentage regularly experience emotional exhaustion and tiredness. At a symposium on 7 May students were given tips for handling stress.

The LeidenAsiaCentre will open its doors on Wednesday 27 January. This is the place for applied knowledge on Asia in the Netherlands.

When you stretch an elastic band, it gets longer. But imagine a material that actually becomes shorter when you pull on it. Sounds strange, doesn’t it? Yet that’s exactly what physicists from Leiden University, AMOLF, and ARCNL have managed to create.

On Thursday, December 12, 2024, historian and terrorism expert Beatrice de Graaf will deliver the 53rd Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title

'This one is really for the coffee lovers out there, but tea drinkers and co. need not tune out because this spot has got more to offer than just coffee.' Rachel Quennell, student of International Studies in The Hague, is a mine of information for lovers of good coffee.

The Military Information and Security Service (MIVD) prevented a Russian hacker attack on the Organisation for the Prohibition of Chemical Weapons (OPCW) in The Hague. Scientists Paul Abels, Willemijn Aerts, Constant Hijzen and Sergei Boeke of the Institute of Security and Global Affairs responded to…

Keynote speakers: Jennifer Gaynor (University at Buffalo SUNY) and Sue Peabody (Washington State University)

Nu belastingsystemen over grenzen gaan, speelt de politiek een steeds grotere rol. Irma Mosquera Valderrama pleit voor een wereldwijd, inclusief systeem.

Marco Romagna is a PhD candidate who is currently researching hacktivism and hacktivists, online activists with hacking skills, a relatively new field of study. Romagna teaches at The Hague University of Applied Sciences working within the Centre of Expertise Cyber Security and is also connected to…

There is an ongoing struggle between the Minister of Public Health, Hugo de Jonge, and the Dutch Municipal Health Services (GGDs). De Jonge wants the GGDs to speed up testing, conduct more tests, and allow priority testing but the GGDs are pulling on the brakes. The waiting lists for a corona test have…

On Tuesday 20 March, Constant Hijzen, Assistant Professor of Intelligence Studies at the Institute of Security and Global Affairs (ISGA), gave a lecture in the Diplomacy and Global Affairs Research Seminar series of Diplomacy and Global Affairs Research, titled ‘Of ticking bombs: Western services against…

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…

Researchers from Leiden University are working with Ouwehands Zoo to improve our understanding of emotions and intelligence in orangutans. Visitors to the zoo can now watch orangutans as they play with computer touch screens.

An international team of astronomers led by Matus Rybak (Leiden University) has proven, thanks to accidental double zoom, that millimetre radiation is generated close to the core of a supermassive black hole. Their findings have been accepted for publication in the journal Astronomy & Astrophysics.

Majorana particles have been getting bad publicity: a claimed discovery in ultracold nanowires had to be retracted. Now Leiden physicists open up a new door to detecting Majoranas in a different experimental system, the Fu-Kane heterostructure, they announce in Physical Review Letters.

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

Cristina Del Real, Assistant Professor in Cyber Crisis at the Institute of Security and Global Affairs, participated in the presentation of the Office of Science and Technology (OficinaC) of the Spanish Congress of Deputies (the Spanish Parliament). She is an expert on cyber security, one of the four…

Following the United Nations Day of peace the kick off of World Class The Hague 2019-2020 took place at Museon, The Hague. World Class is a forum for discussion where selected students from various institutions across The Hague are given the opportunity to visit international institutions, engage in…

The Netherlands-Flemish Institute is offering an internship in Cairo from March 2018 onwards. If you are interested please apply before February 15, 2018. (See the details in Dutch only)

On 28 December 2019, Dutch newspaper Trouw published an essay by Constant Hijzen, Assistant Professor Intelligence Studies at the Institute of Security and Global Affairs and the Institute for History. In the essay, he discusses two books on a new genre of espionage: the authors provide access into…

A film and quiz at the Old Observatory, a film whose ending you decide or a political satire in The Hague. These are some of the options at Science & Cinema, the 444 edition, a special programme during LIFF, the Leiden International Film Festival.

A fair distribution of goods and services is the most important factor in justifying political power. This is the conclusion of Honorata Mazepus in her PhD dissertation 'What makes authorities legitimate in the eyes of citizens?' PhD defence September.

With the final weeks of the year in full swing, many students are experiencing stress. This is where a chat with the student psychologist can bring some relief. Martine Efting Dijkstra explains what she and her colleagues can do.

The 4G network will soon be replaced by 5G. 5G will enable users to set up faster and more reliable data links as well as better privacy protections. For intelligence agencies, however, the upgrade in data protections will create huge problems.

'Every year the courses are different, and there are new things to learn.' The 6th Leiden Summer School in Languages and Linguistics from 18-29 July this year has attracted 120 participants, 90 international and 30 from the Netherlands.

Whether it's brushing up on a language, a course on current legal issues, or a master's degree in cybersecurity. Get inspired at the Online Open Day for Professionals on 2 November.

The Netherlands-Flemish Institute is offering an internship in Cairo from January 2019 onwards. If you are interested please apply before 20 December, 2018. (See the details in Dutch only)

She works four days a week as a project manager at LIACS and trains six days a week with the Dutch Para Climbing team. Christiane Luttikhuizen balances her role at the Faculty of Science with competing at a high level in climbing.

After three (or four) years of hard study, there are every year a lot of Bachelor students that say goodbye to go and explore the wide world. Where are they going next? And what will they miss most about our beautiful city? For the coming weeks, we will tell the stories of 6 recent Bachelor graduates…

Quantum Rules lab van Leiden Universiteit biedt proefjes en experimenten voor middelbare scholieren om te leren over kwantum natuurkunde. Henk Buisman vertelt over het 5 jarige jubileum.

The Journalism and New Media study programme is celebrating its 20th anniversary. On the occasion of the anniversary, student Iris Kole gives a glimpse of her day as an intern at the Leidsch Dagblad.

We produce more data than ever before, and researchers gather more and more information. That data contains a wealth of insights and new possibilities. But how do you extract them? In Leiden, statistics and information science come together in innovative multidisciplinary research. Read more in the…

'Let's make this a twice-yearly tradition!'– a feeling shared by many after the vibrant Research Day. Engagement started early, with participants connecting informally over good coffee before the formal start of the event on 19 November.

A Dutch-Italian-German team of astronomers has observed a huge glow of radio emission around a cluster of thousands of galaxies. They combined data from thousands of LOFAR antennas that were focused for 18 nights on an area the size of four full moons. This is the first time astronomers have been able…

PhDArts candidate Ruchama Noorda will graduate on Wednesday 9 December 2015

2,240 plant extracts from 1,299 different plant species of Dutch origin. That’s the collection of the Dutch Extract Library, which has recently been transferred to the Institute of Biology Leiden. To plant biologist and contact person for this library Pingtao Ding this is a true treasury. ‘To bring…

Rowie Stolk ontving op 16 mei Rowie Stolk de VAR-Lex Michiels prijs voor haar proefschrift ‘Procederende belangenorganisaties in de polder: Een interdisciplinair perspectief op de toegang tot de rechter’.

Morning yoga, having your resumé checked at the information market, or dancing for inclusiveness: just a small selection of the activities of the first Science PhD Day on Thursday 18 April. Around 120 PhD candidates from all eight institutes of our faculty attended the day. 'A great success', according…

A few weeks ago, Dutch pension giant ABP decided to divest from fossil fuels. But is this actually going to help the climate? Natascha van der Zwan, Arjen van der Heide and Philipp Golka (Institute of Public Administration, Leiden University) address this question in our new article for S&D.

Researchers from FOM Institute AMOLF, Leiden University and Harvard University made a rubber beam that bends faster when subjected to less pressure. They published their work on 21 July online in Physical Review Letters.

The winner of this year’s Jaap Doek Children’s Rights Thesis Award wants to raise more awareness for children who have a parent in detention: ‘It’s time we stop looking the other way and actually think about the impact.’

How do you ensure that students still learn anything when they can have AI write an entire thesis in a matter of minutes? Staff members from the Faculty of Humanities discussed this and other questions during a special AI symposium. ‘Writing and independent thinking are crucial, especially in our fi…