Proactive zebrafish appear to have a much stronger wake-sleep rhythm than reactive fish. In the most reactive fish, rhythmicity appears to be lacking completely. This is shown with research by Leiden biologists, published in December 2018 in the journal BMC Biology.

On 11 and 19 April, the International Leiden Leadership Programme students got together to participate in a Business Game: a simulation game where the participants get a business case-study they have to solve. The goal? An agreement between all stakeholders – but most importantly: to employ the different…

Physicist Milan Allan will build an instrument that will bring superconductivity research further. He has been awarded an ERC Consolidator Grant of 2 million euros over the next five years. With his PairNoise programme he aims to detect paired electrons as they occur just above the temperature at which…

With thunderous applause, Elanor Boekholt-O'Sullivan is received at the Lorentz Hall of the Kamerlingh Omnes Building. She gazes into the hall with a smile on her face, even though the applause makes her feel slightly uncomfortable. She gets to enrich the students of the Leiden Leadership Programme…

Researchers and policymakers are welcome to attend the AI & Society Conference in The Hague on Friday 23 June. The SAILS interdisciplinary research programme will be taking a nuanced look at the state of the art of AI technology. And offering fresh perspectives.

Programme director of the bachelor's programme Security Studies Daan Weggemans kicked off the first webinar for prospective students this afternoon. In Kaltura Live he had an international audience of about 60 interested people.

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…

Researchers have spent years looking for the ‘missing link’ between wolves and dogs. But many of the domesticated dogs that had been found prove to have been wolves after all. This is what vet and archaeologist Luc Janssens says in his dissertation. PhD defence on 27 June.

After two years, it was great to be back in Brussels again. Many thanks to all alumni and students who were present during the academic discussion on the values and the future of the EU, followed by networking drinks.

Corona travel restrictions and increased political pressure: research into China has become considerably more difficult in recent years. University lecturer and China researcher Rogier Creemers does not let this put him off. He receives an NWO grant to screen policy documents using digital technique…

Friday 10 July 2020 was the online graduation of the two-year Advanced MSc International Relations and Diplomacy (MIRD) programme. The ceremony was opened by Prof. Madeleine Hosli.

Leiden University is participating in a project to reassemble Roman vessels from between 80 - 200 AD. The 'Zwammerdam ships' are already world famous in the world of archaeology, and guest researcher Tom Hazenberg hopes to extend this fame beyond its academic boundaries.

Where does Dutch come from? Newly appointed Professor Alwin Kloekhorst looks for an answer to that question in millennia-old languages from Anatolia, the Asian part of present-day Turkey. 'A new interpretation in one of the Anatolian languages can have consequences for dozens of other languages.'

Alumni associations are there for both recent and older alumni to exchange experiences about the field and more. We spoke to Arla Mannersuo, board member of the International Studies Alumni Association, about the benefits of membership and what happens behind the scenes.

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'.

On Wednesday, 21 February, a diverse group of students, staff, and representatives from 21 embassies gathered in The Hague for International Mother Language Day. Under the banner of 'a bit of fun and many serious topics,' language took centre stage.

All supermassive black holes in the centres of galaxies appear to have periods when they swallow matter from their close surroundings. But that is about as far as the similarities go. That's the conclusion reached by British and Dutch astronomers from their research with ultra-sensitive radio telescopes…

The energy and water consumption and CO2 footprint of all buildings at Leiden University can now be seen on its new Duurzaam in Beeld website. ‘We do a lot about sustainability,’ says Jeroen Waijenberg, Sustainability and Energy Coordinator at the University’s Real Estate Directorate. ‘But our efforts…

That it was students who started the protests in China against its zero Covid policy makes things more dangerous for politicians. China expert Frank Pieke explains the role of students in China, what makes the protests unique and what might happen next.

The Dutch Passport Alerts Register (Register paspoortsignaleringen, RPS) lists Dutch nationals (around 8000 in 2021) whose right to a passport has been restricted. As a result, they cannot apply for, renew, or must surrender their passports. Under the Passport Act, the Tax Authority, the DUO (Education…

Macrophages – the front line of our immune system – protect us from infections. But in the case of the tuberculosis bacteria, this often goes wrong. The group of Annemarie Meijer from the Leiden Institute of Biology has now discovered that macrophages in zebrafish are better able to eliminate tuberculosis…

Dumb island birds, invasive species dressed as cute purple flowers, and trees the size of skyscrapers. What better way to end your summer and start the new academic year than by discussing, scavenging, and observing these topics. This is exactly what the PhD candidates of Young Liveable Planet (YLP)…

‘It was a complete surprise to me to find the Emerald Citation of Excellence certificate in my pigeonhole,’ says Natascha van der Zwan. Her article ‘Making sense of Financialization’ has received an honourable mention from Emerald Publishing because it is used all over the world for research and edu…

Lichens enthusiast Sander van Zon was eager to use his knowledge for his internship. He wrote an excellent thesis on lichens’ biodiversity in the city, of which his first scientific publication will appear soon. With it, he is nominated for the Leiden Science Young Talent Award 2022.

The alignment of the James Webb Space Telescope is complete. The space observatory is able to capture sharp, well-directed images with each of its four powerful scientific instruments on board. The MIRI instrument, on which Professor of Molecular Astrophysics Ewine van Dishoeck also worked, was the…

Leiden University has six top bachelor's programmes according to Keuzigids universiteiten 2025, a consumer guide to university programmes. This puts Leiden in fourth place of the broad-based universities.

Russian literature is awash with disputes, riots and intense political debates. In the new Dutch podcast Schandaal en Controverse in de Russische literatuur, senior lecturer Otto Boele and film maker and journalist Kay Mastenbroek discuss the most talked-about Russian books published in the past two…

Kim Beerden, lecturer in Ancient History, has won the 2016 LUS Teaching Prize.

Throughout the year, master's student Berber Kommerij is busy analysing medieval and early modern books and paintings. Every summer, however, she leaves for the Norwegian fjords to conduct sea kayaking tours. 'Watersports are my great love.'

Merijn de Bakker and colleagues of the IBL-research group of Prof. Mike Richardson provide a unique view on digit evolution in crocodiles and birds in their recent study published in Nature.

On Monday 11 February, the first issue of the Journal of the LUCAS Graduate Conference went online officially.

The new book, ‘Njord in de Oorlog’ (Njord during the War), describes how the Leiden student rowing club was affected by the Second World War in a detailed series of personal stories. On Monday 16 November, Njord president Rosalie ten Wolde presented the first copy to Rector Magnificus Carel Stolker.

LUMC Campus The Hague will be contributing to the health of the inhabitants of The Hague with research, teaching and a training programme for GPs. The new campus is an initiative of the LUMC, Leiden University, the hospitals in The Hague, the Area Health Authority and the municipality of The Hague.…

Edwin Bakker is one of the speakers during the

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.

That the new building of the Campus the Hague in the Wijnhaven is literally in the governmental heart of the Netherlands should not be a surprise. But who are our neighbors besides all the ministries and the municipality? Let’s take a little walk around the neighborhood.

The Netherlands Academy for Empirical Legal Studies is now live with website!

Many people don't know exactly what Open Science is or why it is important. In a short interview, Anna van 't Veer explains her take on it.

Professor Sjoerd Douma has been named the top lecturer on Coursera, the best-known platform for online courses. Students gave him an average score of 9.8 - almost unheard of for a lecturer in International Tax Law.

PhD candidate Karen van den Akker has written a children’s book to get young girls excited about technology. The picture book ‘Met mama naar Mars’ tells the story of Luna, who wants to travel to Mars.

In November a new extracurricular programme will begin: the Impact Challenges. Students will work together in small groups to solve problems, put forward by partner organisations. In this way, they train their practical skills and make a contribution to society.

‘Microscopy is by far the least understood, most inefficiently operated, and the most abused of all laboratory instruments,’ reads the quote on the office wall of microscopy unit supporters Joost Willemse en Gerda Lamers. It describes exactly why the two developed the microscopy course for starting…

Ancient peoples might have harnessed the power of fire to modify their environment

The winner of the Africa Thesis Award 2023 is Rachel Dubale, a graduate from the Research Master in African Studies at Leiden University, with her thesis “They think we can eat the condominium”. Chronicles of Economic, Social and Political Practices in Addis Ababa’s Condominiums.

It is the dream of Professor Susana Chuva de Sousa Lopes to grow fertile egg cells in the lab. But she says there is a long way to go in her discipline until that is possible. This is the message of her inaugural lecture on 29 June 2020, the first digital inaugural lecture at Leiden University.

Martin van Hecke and Lennard Kwakernaak (Leiden university and AMOLF) develop a mechanical metamterial that can count to ten in their research.

From 12 to 16 April the joint Career Services of the faculties present on Campus The Hague organised the Online Campus The Hague Career Event. Around 600 students signed up! Every day of the week, they could join presentations, webinars and workshops presented by alumni, professionals and Career advisors,…

The moving boxes are unpacked, the floors are gleaming, and the workshop rooms look fresh and inviting. On Monday 16 June, the renovated Lorentz Center will be officially reopened by dean Jasper Knoester and rector Hester Bijl. Director Roeland Merks: ‘There’s a new energy running through our centre…

The Fine Mechanical Department's (FMD) new Wardjet A0612 will cut anything using a 4000 bar water jet. This enables the FMD to work faster, more accurately, and to perform more versatile jobs.

There is much wrong with the taxonomy of the plant genus Phyllanthus. Roderick Bouman of the Hortus botanicus Leiden has developed a new phylogeny for Phyllanthus and exposes the evolution of the plant genus. Publication in TAXON.