Stressful events and a lack of support from the environment are both consequences and causes of mood swings in people with a bipolar disorder. This is the finding of PhD research by Leiden clinical psychologist Manja Koenders. PhD defence 7 April.

These might be ‘just’ provincial council elections in the Netherlands, but the outcome on 15 March could have serious consequences for how the country is governed. Conflicts between the government in The Hague and the provinces, and tension within the Dutch cabinet, might be looming. On 1 July, every…

It has been a long-standing mystery how complex biological structures emerge from such seemingly uncoordinated building blocks as cells and tissues, in the presence of only minimal environmental guidance.

European research infrastructures must become more sustainable in order to make the most of their scientific potential and thus increase European competitiveness, the League of European Research Universities (LERU) states in a report.

To contribute to the body of knowledge aiming at a better coverage of ecosystem service assessment in LCA studies, this thesis dives into the challenges of incorporating existing ecosystem service methods within the impact assessment phase of the conventional LCA framework.

On Tuesday 4 September, Martina Vijver delivered the scientific lecture during the academic opening of the Faculty of Science. Martina is professor in Ecotoxicology at CML and would like to have collaborations with colleagues from the Leiden Centre of Data Science. We had a brief interview with her.

Tuesday 7 September sees the release of the book ‘Plots stond het Leidse leven stil’ by Charlotte Boin, a freelance writer from Leiden. This book of interviews gives an impression of the turbulent effect of coronavirus on the lives of students, researchers and partners of Leiden University.

Professor Simon Portegies Zwart and doctor Jeroen Bédorf had the honour to write for the IEEE Software magazine.

Luuk van Middelaar, Professor of Foundations and Practice of the European Union and its Institutions, recently wrote an op-ed in Dutch daily newspaper NRC.

This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

In 2009, the European Union adopted the Renewable Energy Directive (RED), mandating Member States to obtain 10% of all transport fuels from renewable sources by 2020.

From 14 to 15 September 2023, Simona Demkova, AI researcher at the Europa Institute, participated in the INDIGO Project Final Conference, where she provided valuable perspectives on the implications of AI for European public law.

The environment also benefits when people follow national nutritional guidelines, Paul Behrens demonstrated in research published in PNAS. The publication attracted media attention both at home and internationally.

The New Scholar, an interdisciplinary peer-reviewed journal at the Faculty of Humanities of Leiden University, is launching its first issue, and how? With a double issue!

The material and intellectual presence of Egypt is at the heart of Western culture, religion, and art from Antiquity to the present. In his book ‘Beyond Egyptomania. Objects, style and agency’, archaeologist Miguel John Versluys not only presents the Nachleben of Egypt as a major constituent of (European)…

Starting 2 July 2022, a new exhibition will be opened to the public at the Old Observatory: More-than-Planet. This exhibit asks the question: how do we imagine our planet?

Marliese Vollebregt (BA International Studies, MA International Relations) works at JINC, a Dutch NGO focusing on equal opportunities for children. After graduation, she first became a ski instructor for kids in Austria, something she had dreamed of for a long time. “My biggest advice for all of you…

While studying Indonesian languages and cultures, Rennie Roos started a company. Today he has been working in Indonesia for more than eight years. Where does his love for this country come from? And how does he look back on his studies? ‘I actually wanted to become a pilot.’

To what extent did the Netherlands grow rich from the Transatlantic slave trade? In his dissertation 'Walcherse Ketens', Gerhard de Kok looks at Vlissingen and Middelburg, the most important slave trade cities in the Netherlands during the second half of the 18th century. It turns out that, although…

The starting point of human-induced landscape changes has been under permanent debate. It is widely accepted that the emergence of agriculture strongly increased human impact on their environments. However, foragers can and do actively transform land cover and ecosystems. Ethnographic observations,…

A more efficient solar panel sounds great. But what if these new panels consume more toxic materials, or their production consumes a lot of energy? Leiden environmental scientists, together with colleagues from the Fraunhofer ISE, address this multifaceted question in a new publication in the prestigious…

Exploring logging's real impact: Insights from Anthropologist Tessa Minter in the Solomon Islands.

Charisma K. Lepcha (PI, Sikkim University), Pradyut Guha (co-PI, Sikkim University), Rajib Sutradhar (co-PI, Christ University Bangalore) and Erik de Maaker (Leiden University) have been awarded a two-year grant of USD 18.000 to conduct research on the impact of ‘green farming’ on the sensitive mountain…

On 8 December, Friday afternoon, the second year students of the Honours College track ‘Tackling Global Challenges’ presented their final assignment for the Competences Lab course. The goal was to set up an impact project and organize an event about it. The diverse groups listened and shared their ideas…

After Columbus landed on the island of Hispaniola (present-day Haiti and the Dominican Republic), the farming culture of the indigenous people quickly disappeared. This has been demonstrated by Leiden archaeologists and colleagues from other universities on the basis of soil research. Publication in…

Fishes rely heavily on sound to find their way during migration or dispersal. Many species are affected by noise pollution. Hans Slabbekoorn from the Institute of Biology Leiden received a HORIZON2020 grant of 500,000 euros to study the impact of sound conditions on movement decisions of fishes.

Leiden University's eLaw Center's BIAS Project and the Universidad de la Laguna's AEQUITAS project will collaborate to develop a deeper understanding of AI technologies' impact on workers and inform policies accordingly.

World history is often framed in terms of flows of people and migration: humans coming ‘out of Africa’, the spread of farmers in the Holocene, Phoenician and Greek diasporas over the ancient Mediterranean, the colonization of the world by Europeans from the 16th century onwards. Together with his Exeter…

The Hague Journal of Diplomacy is delighted to announce it will be starting its own podcast series! The series will be aimed at bringing the themes of the journal’s research off the page, and onto the discussion table. Each episode will feature a guest who will share their insights and personal experience…

Bachelor's and master's students and PhD candidates came together from 10 to 13 July at Campus The Hague for the EUniWell Summer School ‘COVID-19: Impact on European health & well-being’. The participants attended lectures and workshops on the impact of the pandemic on public health. They also discussed…

In the research project, Leiden University, Utrecht University and Radboud University will together analyse the issues facing the judicial system in the Netherlands during the coronavirus crisis, the measures taken and their impact.

The LUCAS Audience Award 2021 has been awarded to Nadine Akkerman. This is a prize for researchers who appeal to an audience wider than the academic community. The prize consists of 1000 euros, a trophy and eternal fame.

Nitrogen deposition does not only affect plant biodiversity, but also strongly affects the composition of the remainder of the food web, through the changes in plant composition. In an unprecedented analysis of population changes of butterfly and moth species, an international research team including…

PhD candidate Mengxu Zhang (Division of Systems Pharmacology and Pharmacy) published a comprehensive and important review on “The potential impact of CYP and UGT drug-metabolizing enzymes on brain target site drug exposure” in Drug Metabolism Reviews.

The Royal Netherlands Academy of Arts and Sciences (KNAW) has appointed 26 new members. Three of them are Leiden professors: Luuk de Ligt, Lisa Cheng and Marc Koper. The new Academy professors will be installed on 8 June.

The socio-economic effects of climate change often do not receive enough attention. At the EuroScience Open Forum (ESOF) a group of researchers will provide more insight. How does climate change affect whether people work together or conversely end up as opponents? And what can we learn from societies…

The European Regional Office of Astronomy for Development (E-ROAD) has held its first conference session at the 2020 virtual Annual Meeting of the European Astronomical Society (EAS), the largest astronomy conference in Europe. The E-ROAD is an initiative of the International Astronomical Union, the…

A subject like history is all about the past. That often involves scrolling through old documents, but in the Research Master's in History, Professor Dario Fazzi takes a different approach. His students work with Virtual Reality.

Jet Bussemaker, former Minister of Education, Culture and Science, has been appointed Professor at Leiden University Medical Center (LUMC) and Leiden University with effect from 1 July 2018. She will be the holder of the new chair in ‘Science, Policy and Societal Impact, focusing on Healthcare'.

The development of smart cars, video games that adapt to your gaming behaviour, law enforcement assigning your neighbourhood a risk score, insurance rates determined by your behaviour, finding your perfect match via an app: Artificial Intelligence (AI) is rapidly and radically transforming our interactions…

Max Bader has been awarded a € 300,000 grant by the WOTRO Science for Global Development of NWO for a project about the role of civil society in fighting corruption in Ukraine. The project will be implemented jointly with the National University of Kyiv-Mohyla Academy in Kyiv.

Cultural Anthropology graduate Tommie Lambregts conducted fieldwork in the Slaaghwijk neighbourhood in Leiden as part of a Policy in Practice research internship commissioned by the municipality. Leiden Science City nominated his research as one of four 'most impactful student projects'. Award ceremony…

On Thursday 2 May, the Institute of Security and Global Affairs (ISGA) of Leiden University hosted a guest lecture given by former NATO Assistant Secretary General for Emerging Security Challenges, Ambassador Sorin Ducaru.

Through the Byvanck Fund, Classical Mediterranean archaeologist Tymon de Haas has received a grant of €6,350 for his research on the ecological impact of Roman expansion. He will use this grant to investigate the traces of one of the oldest and best-preserved Roman cadastres, situated in the former…

What inspiration and impact have been generated by the International Covenants on Civil and Political Rights and on Economic, Social and Cultural Rights? And how can their future role in human rights protection be further enhanced? These are some of the questions that will be addressed at a conference…

For Sybille Lammes, professor of New Media and Digital Culture, corona offers a whole new perspective on her research into play. Digital media may have never been more important now that we're working remotely, but we have also started to game more because we are spending more time indoors. Lammes can…

EUROTYPES is a research project developed by political scientist Adina Akbik, for which she recently received a European Research Council Starting Grant. Her aim is to examine the impact of cultural stereotypes in European multi-level policy enforcement. One of EUROTYPES' innovations lies in its focus.…

The COVID-19 pandemic and associated measures during the first lockdown in the Netherlands in March 2020 caused major changes in daily life. Parents worked from home and children followed school online. Therefore, the families were forced to spend more time together. This is particularly difficult for…