Mapping out the problem of plastic pollution requires a lot of data over a large area. That's why scientists are increasingly turning to volunteers for help, also known as citizen science. But what are the challenges for a researcher when he or she involves the public in research in this way? Four Leiden…

Presenting requires empathy, knowing the essence of your story and being able to put it into words. And, of course, a healthy dose of self-awareness and self-confidence. This forms the base for the presentation-training course for young researchers organized by the Centre for Professional Learning.…

His Leiden honorary doctorate, the future of scientists, and diversity in science. Robbert Dijkgraaf tells about it in one of the classical rooms of the Academy Building. ‘It's very special, my honorary doctorate. A rare homage.’

Exploring the largest structures in the universe by looking at the tiniest particles? Lydia Stofanova, PhD candidate at Leiden Observatory and SRON Netherlands Institute for Space Research, dives into this intricate connection. In her PhD research, she explored how elements like oxygen influence the…

Accelerating the development of new cancer medicines by joining forces—that’s the mission of Oncode Accelerator, a Dutch consortium that recently welcomed three Leiden-based PhD candidates. Under the guidance of Gerard van Westen, Marc Boef, Remco van den Broek, and Lucina-May Nollen are exploring how…

Following the retirement of Roswitha Manning, a vacancy arose at Faculty of Archaeology for the role of Research Policy Advisor. We found one in the person of Jimmy Mans, a well known face for longer-serving Faculty staff. In this interview we reconnect with Jimmy, who calls himself ‘a homegrown Leiden…

Freemasons, young circus artistes, people at a clothes swap and many more. Seven young anthropologists spent a year exploring Leiden as city photographers. They published their photos in Leidsch Dagblad each week. An exhibition at Oude UB shows the fruits of their labour.

On 1 May, Casper de Jonge will be appointed Professor of Greek Language and Literature. ‘Greek literature did not come from Athens alone: authors from Egypt, Syria and Asia Minor also wrote in Greek.’

Researchers and clinicians at Leiden University Medical Centre (LUMC) are about to begin a milestone clinical study. It will be the first time a stem cell gene therapy developed in the Netherlands is used in a clinic. The therapy will be used to treat children with SCID, a rare disorder where children…

Mathematician Francesca Arici has joined the Raising Public Awareness Committee of the European Mathematical Society. She aims to coordinate and unite the European efforts of communicating and promoting mathematics. ‘We also hope to achieve more recognition for people who do science communication.’

Katarzyna Cwiertka, Leiden Professor of Modern Japan Studies, was already the recipient of a VENI and a VIDI grant. Now she has also been granted a VICI, worth 1.5 million euro, for her research project Garbage Matters: A Comparative History of Waste in East Asia. ‘I want to do something that hasn’t…

The Municipality of The Hague called on researchers to come up with a proposal for an innovative research project on problems big cities face such as energy transition. Four of the five projects that have been granted funding come from researchers from Leiden University.

Philosophy master's student Timon Krause is 24, but it feels as if he’s already fully lived at least two lives. His show MINDGAMES is currently booked in 57 theatres, including Leiden’s Schouwburg on 18 January. ‘Philosophy is what my show’s all about.’

These days we do not just have wars and civil wars – more of a global civil war, says Bashir Azizi, who received a PhD in April 2020 for his thesis on global citizenship. The second edition of his thesis was recently published.

Monica den Boer, who has decades of experience within police and defence and was also active as a Member of Parliament (D66), has been appointed extraordinary professor of Police Studies.

For many students, a summer school abroad is a fun and useful way to spend the summer. This year, because of the travel restrictions, many summer schools were held online. There was no less interest from students though. What is it like to study in a different country, but digitally? Or to travel abroad…

Connecting space to society and gaining problem-solving experience: that’s the goal of LDE Space & Society, a new honours programme for bachelor’s students in Leiden, Delft and Rotterdam. What does the programme look like? And what do students hope to learn? We visited a kick-off session full of exc…

Stress among students is a growing problem. A new Student Wellbeing taskforce will be looking at the mental health of students at Leiden University.

The gas prices now exceed 300 euros per megawatt hour – a record. The transition from fossil (natural gas, coal, oil) to renewable energy is needed and soon. But how do you get a society (and its citizens) to switch to sustainable energy?

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

Our motto is Praesidium Libertatis, or ‘bastion of liberty’. How did it come into existence, and in what way is Leiden University staying true to its meaning? Five questions about our motto.

‘No choice is forever’, states Tracy Evans. ‘You can change your mind and go in a different direction when the circumstances change.’ When Tracy was 60 years old, she felt the need for a change herself. It lead to her earning a PhD degree six years later.

This week more than 400 international students are starting their study programme in Leiden or The Hague. Why did they choose to study here? And what is the advice from their mentors?

For two years, Ineke Sluiter was president of the Royal Netherlands Academy of Arts and Sciences (KNAW). Now, she is returning to the university full time. ‘I always carry themes like accessibility, diversity and inclusion with me.’

Bringing research and teaching closer together is part of the mission of Leiden University. The 'Career Policy for Academic Staff' working group that has draw up new guidelines for appointing academic staff discovered that the University has many members of staff who do not conduct research.

Close contact between women and dogs in prehistoric times Women and dogs were in close contact in the neolithic age of hunters-fishers-gatherers. This has been suggested by Leiden osteoarchaeologist Dr Andrea Waters-Rist and fellow researchers who have studied a tiny biological fossil. The fossil was…

Court cases that get out of hand are enacted again and again, according to PhD candidate Tessa de Zeeuw. De Zeeuw: ‘Even if the court comes to the correct judgement, from a legal point of view, the issues that appear in a case such as that of Lucia de Berk continue to

He had been emeritus for 13 years when he suddenly received an email from Poland. Professor of Inorganic Chemistry Jan Reedijk was awarded an honorary doctorate from Nicolaus Copernicus University in Toruń. During the celebration of the 550th anniversary of the birth of patron Nicolaus Copernicus,…

A permanent exhibition on the place of humans in the cosmos. This is something Franx wants to use his Spinoza Prize for. ‘So much progress has been made that we are still trying to define the questions. In finding the answers we are constantly coming up against surprises.’

After four years of hard work, the time has finally come: your thesis is finished. But who of your family and friends will ever read it? Biologist Lizah van der Aart decided to make a magazine for layman. 'It was precisely the explanation of the difficult, fundamental parts that gave me good tools for…

Back in 2008, Jason Laffoon moved from Chicago to Leiden. He came to join the Faculty of Archaeology’s Caribbean research group as a PhD candidate. Now he is an assistant professor, bridging departments through his innovative research methods. ‘I focus both on the archaeology of the Americas, as well…

Bringing young, enthusiastic and driven academics from different disciplines together, that’s the goal of the Young Academy Leiden (YAL). As a new member, Assistant professor Jan van Rijn is excited to look at AI from different perspective. ‘I want to bring my expertise together with different point…

This August, the second edition of the Advanced Summer Programme

What determines healthy behavior and how do you promote healthy choices and routines? These are a few questions currently being addressed by Marieke Adriaanse, recently appointed Professor of Behavioral Intervention in Population Health Management at the Leiden University Medical Center (LUMC).

From the birth of the universe to the molecules in a planet's atmosphere. The first five pictures from the James Webb Space Telescope (JWST) show the enormous range in which the space telescope can operate. Ewine van Dishoeck, professor of molecular astrophysics, took a look at the first images Tuesday…

People in motion. This is the theme of the Voice4Thought festival taking place in Leiden from 21 to 25 September. Debates, songs, art, workshops, a conference for school pupils. It's all about the encounter.

From COA to the police and from the Red Cross to a ministry, in the coming months, students from the Leiden Leadership Programme (LLP) will have the opportunity to work on real solutions for partner organisations. In December partners and students met for the first time. 'It is a great opportunity to…

On Monday 27 September 2010 Spinoza prize winners Naomi Ellemers, Ineke Sluiter, Marijn Franx (Leiden) and Piet Gros (Utrecht) announced their plans for their €2.5 million prize money. This was during the official ceremony in The Hague, at which the outgoing Secretary of State for Education, Culture…

After a turbulent first year as assessor, Jonatan Wirix-Speetjens starts a second term in September: 'In my second year as assessor I hope to become really decisive’, says Jonatan. We asked him about his experiences the past year and his plans for the coming academic year

Environmental economist Rutger Hoekstra is a guest researcher at Leiden University. He is studying the question of how we can measure societal progress based on a broader range of factors than only Gross Domestic Product.

The association agreement between the EU and Ukraine is highly important for peace in Ukraine, and it is therefore essential that Europe weathers these difficult times. These were the words of Ukrainian President Petro Poroshenko on 27 November during his Europe Lecture at Leiden University.

Sinologist Florian Schneider was awarded the LUS Teaching Prize, officially making him this year’s best Leiden University lecturer. Schneider was commended for his innovative teaching methods based on role-playing.

A soap film with chemically distinct sides: it's the latest breakthrough in the research led by chemist Sylvestre Bonnet. This unique soap film, along with an innovative device capable of continuously producing new soap films, forms a crucial piece in the puzzle for the development of artificial pho…

Leiden has been designated European City of Science 2022. The city's achievements as a city of science and innovation will be celebrated throughout the year, with as a highlight the international EuroScience Open Forum conference. The members of the core team that will organise this mega-event introduced…

Monique Koemans werkt sinds 2,5 jaar op de Nederlandse ambassade in de Verenigde Staten. 'Leiden is een opvallende rode draad in mijn leven.'

Alumna Louwien Eising is headteacher of Carmel College in Emmen. How have things been during the pandemic? And how has her degree in Education and Child Studies helped her? ‘In the evening I was attending lectures and the next day I was applying what I’d learnt in the classroom.’

Our lecturers had just a week to convert their subjects into online formats. It was an enormous challenge because by no means everyone was involved in remote teaching at Leiden University. As well as being Vice-Dean of Leiden Law School, Ton Liefaard is also a lecturer. ‘I especially want to support…

The Digital Lab is open! This new lab is meant for staff and students who are looking for a place to work, experiment, and find support for their digital research. There’ll be a kickoff event, with live digital demos and a roundtable on “the Humanities in a Digital World” on Friday October 29 in the…

My name is Pepijn Reeser, I’m 34 years old and I graduated in 2008 as a historian. I’ve been working in the museum world for about ten years, mainly as a freelancer. My most important project is Het Taalmuseum (the Language Museum); I’ve been involved in that since 2016. Leiden University is one of…

Algae are not what immediately spring to mind when people think of threatened species. But even among algae there are species that have a difficult time, such as ‘Aegagropila linnaei’. In the magazine BioScience Christian Bödeker describes the worldwide decline of this species. He calls for the species…