The Amsterdam media played a major role in the rise and fall of Dutch Brazil, the colony held briefly by the Dutch West India Company in the 17th century. This is the conclusion reached by Professor of Maritime History Michiel van Groesen in his book ‘Amsterdam’s Atlantic’.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

All comets might share their place of birth, new research says. For the first time ever, astronomer Christian Eistrup applied chemical models to fourteen well-known comets, surprisingly finding a clear pattern. His publication has been accepted in the journal Astronomy & Astrophysics.

Petr Steindl works on quantum dots in microcavities for his PhD research. He manipulates single-photons to create complex structures of light. Applications could include quantum communication and gates for quantum computers.

The first larger quantum computers will soon be available. These computers need new software. Researchers at Leiden University have been awarded a Gravitation grant to develop the necessary software. They will be collaborating with colleagues from other research institutions.

At the end of October, the Steering Committee, headed by Dean Mark Rutgers, gave the green light for the development of the new Faculty Strategic Plan for 2021-2026. How does this process go?

The Tour of Asia, an afternoon filled with science and culture about Asia, attracted many visitors. In spite of the heavy rain, the visitors chose from among dozens of lectures and debates. This knowledge festival marked the opening of the Asian Library earlier in the day.

On 10 September 2020 the European Law Institute (ELI) launched the book Rescue of Business in Europe. The volume presents the results of a study led by Prof. Em. Bob Wessels (Leiden University, The Netherlands) and Prof. Stephan Madaus (Martin-Luther University, Germany), assisted by Gert-Jan Boon (Leiden…

Synchrony in heart rate, skin conductance and pupil diameter plays a big role in human social interactions, such as gaining trust or being attracted toward each other. This is what Eliska Prochazkova found in several lab and field experiments. PhD defence on 4 March 2021.

An international collaboration, including Leiden physicist and computer scientist Vedran Dunjko, showed that quantum technology can speed-up the learning process of artificial intelligence (AI). To prove this, the physicists and computer scientists used a quantum processor for single photons. Their…

A vitamin D deficiency is often associated with smoggy English industrial cities during the Industrial Revolution, but research carried out on skeletons now suggests that the ‘English disease’ was also prevalent in rural areas of the Netherlands. Doctoral defence on 29 January.

No less than six Leiden projects received a grant for quantum research from the national growth programme Quantum Delta NL and the NWO. After all, in order to boost quantum technology not only industry is needed, but also science. Research towards new sensors, faster algorithms and quantum materials,…

The United Nations celebrates its 75th anniversary this year. With the corona crisis and rising nationalism, there’s not much cause for celebration. Which challenges will the global organisation have to overcome to be assured another 75 years of existence?

Last Thursday the Dutch House of Representatives held a debate on children being put into care when the childcare benefits scandal (toeslagenaffaire) had caused problems for their families. Four Leiden University academics were asked by the House to produce a fact sheet for this debate, bringing together…

Whereas the Netherlands Court of Audit used to conduct an investigation once a year, the average civil service organisation now has a few per year to contend with. Is so much going wrong nowadays? Not at all, says Professor by Special Appointment Sjoerd Keulen. ‘It’s one of the methods that makes democracy…

Will the association agreement between the EU and Ukraine lead to a new ‘Cold War’ between Russia and the West? That was one of the questions posed to the expert panel which discussed the referendum on the EU-Ukraine association agreement. While many people are still unsure what this referendum is really…

Marie Curie once said: I have no dress except the one I wear every day. If you are going to be kind enough to give me one, please let it be practical and dark so that I can put it on afterwards to go to the laboratory.

In the orientation seminar of the Leiden Leadership Programme lecturers and alumni shared their experiences and prospective students asked questions. They learned that they, too, can show leadership. ‘The LLP will give you the opportunity to reflect on who you are.’

The Faculty of Science has received no less than seven Veni grants this year. Camila Correa, Max van Duijn, Stéphanie van der Pas, Sergii Pud, Mónica Varela Álvarez, Joseph Callingham, and Melissa McClure will receive a maximum of 250,000 euros to further develop their own research ideas over a three-year…

Health policy in the Netherlands is increasingly based on Positive Health. This approach sees health as much more than simply not being ill. There are more and more initiatives to promote Positive Health. But how do you know if these initiatives and policy are actually effective? LUMC researchers are…

Exactly a century ago, astronomers observed the first two diffuse interstellar bands (DIBs) in space. A DIB manifests itself as a colour of light that is missing in the radiation from stars behind an interstellar cloud. Although about 500 DIBs are yet discovered, they remained inexplicable until recently.…

Proteins organize themselves around our body cells through a self-induced force. They indent the cell membrane, which makes them roll towards each other. This discovery provides new insights into processes like nutritional uptake and brain signaling, as well as into such diseases as Alzheimer’s. Publication…

Ewa Snaar-Jagalska, Shuning He and colleagues from IBL, LION and LACDR reported on a new zebrafish study to understand micrometastasis of human cancer cells. They discovered a novel role for neutrophils in assisting metastasis formation, which provides critical insights for anti-cancer therapies.

Imagine we could convert the greenhouse gas CO2 into synthetic fuels using sustainable energy. This would enable us to reduce the amount of CO2 and at the same time store wind and solar energy in an innovative way. Chemist Akansha Goyal (Leiden University) is conducting fundamental research to make…

NASA’s telescope SOFIA has provided a new glimpse of the chemistry in the inner region surrounding massive young stars where future planets could begin to form. Leiden PhD candidate Andrew Barr writes about it in the Astrophysical Journal. The scientists found massive quantities of water and organic…

An international collaboration, including Leiden physicist and computer scientist Vedran Dunjko, showed that quantum technology can speed-up the learning process of artificial intelligence (AI). To prove this, the physicists and computer scientists used a quantum processor for single photons. Their…

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…

What better way is there for an alderman to find out where best to put his efforts than to pay a working visit to the university? Hilbert Bredemeijer, Alderman in The Hague for Education, Sport and the Outdoor Space, paid a visit to Campus The Hague on Wednesday 6 October 2021.

Joe Powderly was recently awarded a Leiden Global Interactions Advanced Seminar grant (GIAS) for a project that looks at heritage destruction, human rights and international law. The project approaches cultural heritage destruction from an interdisciplinary perspective and involves an exciting collaboration…

An international team of researchers led by Alice Booth (Leiden University, the Netherlands) have discovered methanol in the warm part of a planet-forming disk. The methanol cannot have been produced there and must have originated in the cold gas clouds from which the star and the disk formed. Thus,…

The endogenous compound anandamide – often referred to as the body’s own marijuana – plays a role in erasing memories of a traumatic event. This was discovered by an international team led by Leiden chemist Mario van der Stelt. The results have been published in Nature Chemical Biology and may provide…

For two decades, language experts were certain that babies were able to learn language rules from as young as the age of seven months. However, recent research carried out by a consortium of four Dutch baby labs led by researchers from Leiden cast doubts on this certainty. We spoke to researchers Andreea…

Finding structure in disordered proteins and developing drugs for undruggable diseases: it might sound like mission impossible, but pharmacologist Alireza Mashaghi and his team are right on top of it. Their project was awarded by NWO through the Open Competition Domain Science -XS, a competition that…

The Netherlands Organisation for Scientific Research (NWO) has made a subsidy of 17 million euros available to further develop a Netherlands network for electron microscopy (NEMI). The network comprises five UMCs and eight universities, with Utrecht in the coordinating role. From Leiden, the Institute…

Sylvie Ramakers of Leiden University College The Hague has been accepted to the prestigious Yenching Academy of Peking University in Beijing China, making her the third LUC alumnus in five years to break the ceiling of the notoriously competitive selection.

Agressief gedrag van gedetineerden is sterk te verlagen met een aantal aanpassingen in het dagelijkse regime in penitentiaire inrichtingen. Dit blijkt uit de evaluatie van een experiment met een alternatief detentieregime, uitgevoerd door Tilburg University en de Universiteit Leiden.

The Honours College Law (HC Law) is soon going to look very different. What does the HC Law currently do, and what’s going to change? Why should you apply for it? To answer these questions, we spoke to Maartje van der Woude, Designated Professor at the HC Law. She’s designing the new programme in collaboration…

Markus Altena Davidsen was 'extremely happy' when he heard that he and his colleagues had been awarded a grant from the KNAW pilot fund for science communication. Together with partners from all over the country, they are working on a book that should inspire secondary schools to renew their education…

One unravels the origin of the largest black holes in the universe, the other investigates the influence of stellar wind on the atmosphere of exoplanets. Both Elena Maria Rossi and Aline Vidotto receive a Vici grant for their research into the mysteries of the universe. ‘I have no idea yet how we can…

Since the beginning of September, it is a fact: our faculty has a new strategic plan. The plan outlines what we will collectively commit to in the coming years. Is that important? For sure, say our directors Suzanne van der Pluijm (Operations) and Bart de Smit (Education). ‘The purpose of a strategic…

Optimised antibiotic combinations can combat bacteria more effectively while also slowing the development of resistance. Scientists from five European countries are joining forces to identify such combinations and provide tools for others to do the same. The project is led by Professor Coen van Hasselt…

An international team led by Leiden astronomers has, after years of searching and defying the boundaries of a telescope, for the first time directly captured polarised light from an exoplanet. From this light they can deduct that a disk of dust and gas orbits the exoplanet. In this disk moons are possibly…

They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.

If an echo (or ultrasound) shows that a foetus has a heart or other defect, parents face difficult decisions. Then an idea of their child’s shorter and longer-term future is literally a matter of life and death. Haak will argue in her inaugural lecture that the cohort studies of rare diseases that are…

In the summer of 2019, South African student Tarryn Abrahams was awarded a scholarship from the Mandela Scholarship Fund. She is now spending a semester in Leiden, and following four courses at Leiden Law School. ‘I’m learning to engage more in lectures.’

Does a snake die when it bites its lip? Why will a mongoose survive a scorpion’s sting, but we humans perish? These questions occupied the minds of toxin-enthusiasts and Master’s students Biology Jory van Thiel and Roel Wouters. They collected information from many sources and published their findings…

North Korea may seem like an isolated country but it has strong ties with African regimes. This alliance, which trades in arms despite international sanctions, is increasingly operating out of the liberal world order’s sight, PhD candidate Tycho van der Hoog warns.

The James Webb Space Telescope has found evidence of carbon dioxide (CO₂) in the atmosphere of a giant planet 700 light years away. This result provides insight into the composition and formation of this gas giant and shows what James Webb is capable of. The research by the international group of astronomers,…

Lecturers should take something of a back-seat role so that there is more opportunity for discussion among students. That is what cell biologist Roland Dirks believes. This inspiring lecturer has won the LUS Teaching Prize.

Unplugging equipment that's secretly guzzling electricity, putting the curtains behind the radiator and only using a water-saving showerhead. The students participating in the Student Energy Race are given tips that everyone who cares about the environment and their wallets should learn from.