The students from the Leiden University Green Office have big ambitions and have outlined their recommendations in a new Green Paper. Like being the most sustainable university in the world by 2030. Students Janey Franssen and Job Kemperman are two of the paper’s authors. How do they want to achieve…

A clean street, public transportation, or taxes: these are all public goods that keep society running. But how do people decide which public good to invest in, if at all? These are the kind of questions PhD student Laura Hoenig explores.

Research

Governments worldwide invest huge sums in their digital services and data strategies. Efficiency and effectiveness are key. But these are not achieved for some people at least, says Professor of Public Policy Sarah Giest. This makes the intended digital inclusion far from inclusive, as she will explain…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

Archaeologist David Fontijn was nominated for the University Teaching Prize. His students nominated him for this award for his innovative ways of online teaching. In the corona-year 2020-2021 he gave a new course and experimented with the way he taught. ‘It clearly appealed to the students, so we are…

Young Academy Leiden wants to bring together young academics. After all, it is not that easy in practice to meet peers outside your field. With inspiring and fun Faculty lunches, the organisation strives to connect young researchers. The most recent, hosted at the Faculty of Social and Behaviourial…

In Ancient Egypt, prominent families engaged in ancestor worship to maintain their high standing. Renata Schiavo researched this link between religion and power for her PhD. ‘People were afraid that their ancestors would bring misfortune if the family’s prestige declined.’

Bubble baths and face masks: that’s what we often see on social media when discussing self-love. However, is this a true reflection of what self-love and self-care entail? In this episode, psychotherapist Kelly Ziemer teaches us more about what true self-love and self-care are, and their importance.

A new study reveals how ancient Chinese farmers managed soil fertility and water resources over thousands of years. By analyzing carbon and nitrogen stable isotopes in millet crops, the research provides long-term isotopic evidence of farmland management practices in the Guanzhong Basin—the political…

Saskia van Otterloo works as a policy advisor on climate adaptation at the Ministry of Infrastructure and Water Management in the Netherlands. She graduated in 2015 with a bachelor's degree in cultural anthropology and development sociology. How does her knowledge of anthropology help her in her job…

The cargo lost at sea as a result of the MSC Zoe disaster should be considered environmental pollution and information about it should be made public. This was the case made by Leiden Law School’s Leiden Advocacy Project on Plastic (LAPP). Following their investigation, the government has finally decided…

Education, Security

In our building, a new, colorful exhibition is now on display! Twelve artists from the collective "De Leidsche Mondialen" are showcasing their work in various locations within the Faculty of Social Sciences (FSW).

Castles, monasteries and bridges, but also city profiles, history prints and water management works. Leiden University Libraries (UBL) manages one of the most important collections of topographical images in the Netherlands. The collection, bequested to UBL by Johannes Tiberius Bodel Nijenhuis (1797-1872)…

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

What does European border security look like? On 14 April, Hans Leijtens, executive director of Frontex and former commander of the Royal Netherlands Marechaussee, is in The Hague for a lunch lecture. We spoke with him about border security, migration and the role of Frontex.

How do social science disciplines collaborate in the field of health and well-being? How do we collaborate within our Faculty? And how do we collaborate with our societal partners in Leiden? These are topics that really resonate with many of our researchers, as was clear at the Food for Thought FSW…

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…

The past year was once again a year of outstanding achievements and strong engagement for the Faculty of Social Sciences. In this hall of fame, we proudly highlight a selection of awards, grants and appointments as part of the many valuable contributions — visible and behind the scenes — that together…

Marjolein van Reisen has been Institute Manager Finance for a year, and Wiesje Zikkenheiner has been Institute Manager HR for two months. This duo job is by no means a luxury in an ever-growing organisation. Marjolein: 'We’re both new to this world, so we have our hands full.'

From street harassment to coercive control: gender-based violence has many faces. University Lecturer Mischa Dekker has studied street harassment in the Netherlands and France, and supports institutions and organisations in embedding structural change.

Just imagine new AI technology is able to read human emotions flawlessly. How would that affect us as humans? That is the question PhD candidate Alexandra Prégent is exploring.

Due to technological and societal developments, we are being flooded with more information than our brains can process. How does this affect our decision-making, both as individuals and as a society? And can we learn to make better choices? This is what Lotte van Dillen will explore with her profess…

Take a walk through any city, and you are likely to come across a brightly coloured mural. Although these paintings often seem to serve solely as a backdrop for Instagram snapshots, art history professor Minna Valjakka says there are rich traditions and intricate histories that uncover more critical…

Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

Third-year cultural anthropology student Claire van Helder (24) says she can't be kept still. She has her own blog, is active on Instagram and recently started a YouTube channel. She is a member of the student party LVS, elected to the faculty council and will become the president of WDO in September.…

In zoos, at festivals and in a mobile lab at the market: everywhere, Mariska Kret tries to understand human and animal emotions with her distinctive behavioural research. Now she has received the Mercator Sapiens Stimulus of €1 million for her efforts.

To easily take part in group decision-making research, Jörg Gross, Assistent Professor Social and Organisational Psychology, launched a platform that allows students at the social interaction lab. Sign up to receive invitations if you are interested in taking part in on-going scientific studies in the…