The representation of women in science is improving, also at the Faculty of Science. On 8 March – International Women's Day – we highlight the work of female scientists from our faculty.

Lecture

Almost 100 billion tons of CO₂ could be pulled out of the atmosphere by the end of the century. That is, if high-income countries switch to a plant-based diet. The double carbon profit of returning farmland to its natural state would equal about 14 years’ worth of agricultural emissions, researchers…

Higher temperatures are resulting in changes to vegetation and soil in mountain areas throughout the world. An international research team including Leiden ecologist Ellen Cieraad published an article on 25 January in Nature on the disruption to the ecosystem.

A coronavirus booster shot provides a better immune response against COVID-19 than a single vaccine dose. mRNA boosters are the most effective upon receiving Janssen. These are the results of a collaborative study between several organisations, including the Leiden University Medical Center (LUMC).…

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

Brazil is one of the world's largest emerging economies, but more is needed if it is to use this economic power for all parts of Brazilian society. This will be the subject of Professor of Brazilian Studies Edmund Amann's inaugural lecture on 20 November.

It appears to be a paradox: ultra-thin material that absorbs all the incident light. Nonetheless, it does exist. Two Leiden researchers report on their research in ‘Applied Physics Letters’. The article is among the Top 20 of the most downloaded articles of this reputable journal in May.

An international team of researchers led by astronomers from Leiden University (the Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed the disturbances of the Earth's ionosphere. They used the new method to study…

Digitalisation can make a huge contribution to a greener future, but it must also be as sustainable as possible. To make significant progress, more collaboration and national leadership will be needed. Leiden University has therefore signed the Digital Sustainability Manifesto, which was presented on…

‘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…

Three novelists have won the first Leiden University Peter van Straaten Psychology Prizes: Esther Gerritsen, Yvonne Keuls, and Marieke Lucas Rijneveld. This is a prize for Dutch writers whose novels shed light on psychological problems and disorders. The prizes will be awarded on January 16.

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…

On Friday 5 February 2021 the online conference of the Dutch Platform of Empirical Legal Studies (ELS) took place. This conference served as a platform to bring young, enthusiastic and driven ELS scholars together in a research community and enable them to learn more and discuss about empirical research…

An important discovery makes it possible to communicate complex information among multiple people without the message being cracked. The communication can also relate to complex information.

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…

Researchers from the Leiden University Medical Center (LUMC) have developed an AI model that accurately predicts the risk of endometrial cancer recurrence.

The bachelor programmes German Language and Culture, Classics, Dutch Language and Culture, Ancient Near Eastern Studies, Religious studies and Linguistics have received the predicate top rated programme from the Keuzegids.

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…

The monthly ILS lunch seminars continue to bring together colleagues from across Leiden Law School. On December 14, we successfully concluded the calendar year with the presentations of Dr. Moritz Jesse and Helena Ursic.

When you want to analyse big quantities of archaeological data, you run into the issue that searching through excavation reports is extremely time-consuming. If only there existed a search engine specifically focused on querying these reports… But wait, work on an archaeological search engine focused…

Dutch artist and visionary David Humbert de Superville (1770-1849) was the founder and first director of the Print Room at Leiden University. An exhibition and symposium are now being organised in his honour. What makes him so remarkable?

Why do international companies around The Hague have only 6% ethnic minorities as employees, even when the business case proves that diversity adds value? On Tuesday 13 March in The Hague, Wijnhaven, the University’s Diversity Office and the Faculty of Governance and Global Affairs organised the first…

Over 2,700 cars on the Fremantle Highway that caught fire on 26 July have been so badly damaged that they cannot be sold. Can we recycle these cars?

The research Early Pleistocene human occupation at the edge of the boreal zone in northwest Europe published 8th July 2010 in Nature is part of the Ancient Human Occupation of Britain (AHOB) project, in which the Faculty of Archaeology of Leiden University is involved.

In 2018 the Laboratory Efficiency Assessment Framework (LEAF) was launched in the UK. The aim of this programme was to help laboratories work more sustainably and efficiently. The initiative got a Dutch spin-off in 2021. Since then, a couple of the laboratories at the Leiden Faculty of Science have…

Upcoming activities by PhDArts candidates Basma Hamdy, Danne Ojeda Hernandez and Joost Grootens

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.

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

An investigation carried out by Dutch news programme Nieuwsuur has revealed that despite a recent ruling by the Centrale Raad van Beroep (Central Appeals Tribunal, CRvB), people who for years cared for a seriously ill relative paid for via a PGB (persoonsgebondenbudget, personal care budget) do not…

During an episode of Dutch television talk show PAUW on Monday 24 July, presenter Jeroen Pauw discussed the new threat assessment recently published by the Dutch National Coordinator for Security and Counterterrorism (NCTV). Jelle van Buuren, Assistant Professor Terrorism and Political Violence at Leiden…

Two Stolpersteine (stumbling stones) have been placed in front of the University Library in memory of the Jewish Cosman family. At the time of the Second World War, they lived in one of the houses where the library is now located.

In the framework of the “Culture” programme, the European Commission has selected for funding the project “NEARCH – New scenarios for a community-involved archaeology”. Proposed by the French National Institute for Preventive Archaeological Research (Inrap, Paris) and 15 academic and research organizations…

Leiden theoretical physicists have proven that not only the genetic information in DNA determines who we are, but also DNA’s mechanics. Helmut Schiessel and his group simulated many DNA sequences and found a correlation between mechanical cues and the way DNA is folded. Publication in PLoS One.

Merijn Tinga hit the headlines in 2016 as the Plastic Soup Surfer. In force six winds, the Leiden biologist ventured across the English Channel on a hydrofoil kiteboard made from plastic bottles. Interview with this Leiden artist who is fighting the mountain of plastic waste and finding his feet as…

On Thursday 10 January a number of prizes were presented to researchers and students.

Publication by: Anouk Wezel, Sabine Welten, Wida Razawy, Max Lagraauw, Margreet de Vries, Eveline Goossens, Martin Boonstra, Jaap Hamming, Ekambar Kandimalla, Johan Kuiper, Paul Quax, Yaël Nossent and Ilze Bot. Annals of Surgery. 2015;262:841-848.

By making smart use of available data, the health and care of people can be substantially improved. Marco Spruit wants to use language and machine learning in the coming years to identify and solve the biggest care issues in the region of The Hague. He has been appointed Professor of Advanced Data Science…

Farmers on the outskirts of Nairobi National Park protect their livestock using flashing lights on top of the animal enclosures. This system keeps lions away at night. Leiden research has shown that the method is both simple and effective. Publication in PLOS ONE.

Archaeologist Victor Klinkenberg examined an old Assyrian settlement in Syria, near to the IS stronghold Raqqa. 'Social life was more important than military life.' PhD defence 27 October.

Greenhouse gasses in the atmosphere and fertilizers in the groundwater have negative consequences for our environment. With an electrochemical process they can be transformed to more valuable and useful substances like fuel and alcohol. Chemistry PhD candidate Elena Perez Gallent discovered how this…

Professor Edwin Bakker, director of the Centre for Terrorism & Counterterrorism, released his new book “Terrorism and Counterterrorism Studies: Comparing Theory and Practice”, published by Leiden University Press.

When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

As of 17 March all PhD defences have been cancelled for the time being in response to measures to control the corona outbreak. Four PhD candidates, however, have since been able to hold their defence, albeit under very special conditions. One of them was Hoko Horii.

With a headwind of 80 kilometres per hour, pouring rain and freezing temperatures, Jurjun van der Velde cycles down the Oosterscheldekering. On his traditional Dutch bike with back pedal brake, he is the second PhD student from the faculty to win the title.

On Friday 20 September, the Dutch associations for Privacy Law (VPR) and for Privacy Law Attorneys (VPR-A) announced their annual thesis award winner in a ceremony held in the Lorentz Lecture Hall at Leiden Law School. We are very proud that Kimmy Shah and Hannah Appel, recent graduates of the Advanced…

Every two years, students from Leiden University go into the Malaysian rainforests of Borneo. There they speak with Malaysian people to discover the use of plants or learn a local fishing technique. Improvising in the jungle leads to fruitful, creative, and important research.

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.

Three years after the very first cohort of the Leiden University Bachelor of International Studies graduated, approximately 40 alumni and staff got together for a day of recollecting pleasant memories and sharing new stories. The BAIS Alumni Board collected some ‘Lessons learned’ from their alumni.

Leiden University has seen another successful season of the European Law Moot Court Competition come to an end.