The easy-to-learn programming language Hedy has been used more than 100,000 times in no more than 9 months. Felienne Hermans was a guest in the broadcast of the radio program Science071 to tell more about it.

Like every year, our institute organized the Cleveringa lecture to commemorate the courageous speech held by professor Rudolph Cleveringa on the 26th of November in 1940.

Who wouldn’t want their own episode of Het Klokhuis? Researchers Milica Nikolic and Chris Riddell are in the running for the Klokhuis Wetenschapsprijs, which aims to introduce a broad and young audience to scientific research in the Netherlands.

With a barbecue at the Scheveningen beach the Leiden Science Buddy Programme was kicked off on 7 August. In this first round, 64 new international students are paired to current students. These buddies will do their very best to make the new students feel right at home in Leiden.

The Netherlands is falling behind in Europe with strict asylum policy while other countries are tightening their rules. Mark Klaassen, Assistant Professor in Migration Law, comments in Dutch newspaper ‘de Telegraaf’ that these rules might not stand up in court.

Grote technologiebedrijven hebben zoveel macht dat ze functioneren als staten zonder democratische controle. Volgens Reijer Passchier, universitair docent staatsrecht en hoogleraar digitalisering en de democratische rechtsstaat (OU), vormt dat een groeiend risico voor de rechtsstaat en vergroot het…

On Tuesday 23 May, Jelle van Buuren, assistant professor at the Institute of Security and Global Affairs, was a guest at the Dutch news programme Pauw. As expert on terrorism he discussed the attack in Manchester at the concert of pop star Ariane Grande.

Our Leiden Law Vlogger Daniëlle shows us what life is like at the KOG while keeping to all the coronavirus measures.

Wrap-up of the BADGES project: what are the results?

We would like to wholeheartedly congratulate all our graduates of the Leiden University Advanced Master programme in Law &Finance (2019-2020).

The paleo diet: eating like people in the Stone Age did, because it is supposed to be healthier. But how accurate are the recipes in this diet?

The Sustainable Development minor now has its own Facebook page. Do you want to stay up to date on all activities pertaining to the minor? If so, sign up as a fan by clicking the

NVIC would like to invite you to Tilly Mulder's second exhibition. This time around a new series of paintings, names 'Mindscapes', will be on show.

We would like to draw your attention to the following advertisement which was originally disseminated by the Dutch Breast Cancer Foundation, in collaboration with Leiden University

Then post an awesome picture on instagram of your Law school experience using the hashtag #LeidenLawSchool. Just like Kelly did with her favorite hoodie! If you want to participate, don’t forget to follow @LeidenLaw and use the hashtag!

Thanks to an extremely successful crowdfunding campaign, the Leiden Law School now has a mock courtroom for Moot Court, the course that teaches students advocacy skills. ‘The more realistic it is, the better. Then students grow into their role.’

Roll-up solar panels, bendable phone displays, or better computer chips… The EU project STIBNITE investigated the next generation of semiconductors, made from organic materials based on carbon, nitrogen, and boron. The project has now concluded. During the Open Science Debate on 1 July, the group will…

Four Master's students Science Communication & Society made two podcasts on the theme Plastic for the end project of their study programme. With the podcasts, they helped the Institute of Biology Leiden (IBL) to draw attention to plastic pollution. And that was harder than it seemed. 'Be sure to test…

Every student learns about science, but those of the Master Honours Class ‘The Academic Life’ went an extra mile. They learned all the ins-and-outs of academia and rounded off this successful lecture series with a final session on evaluating scientific research.

In the coming years, Asghar Seyed Gohrab receives an advanced European Research Council grant of two and a half million euros to spend on his research into non-conformism in Islam. ‘Hopefully I can use this to contribute something to society, to pass something on to future generations.’

The new Neurodiversity Platform supports staff who need better working conditions because they have ADHD or autism, for instance. Stefan de Jong, who is organising the Platform’s first online meeting on 15 November, tells us about the initiative. Register now if you’re interested.

A certain type of oil droplets changes shape when cooled and shrunk: from spherical through icosahedral to flat hexagonal. Two competing theories couldn't fully explain this, but now, a Physical Review Letter by Ireth García-Aguilar and Luca Giomi solves the mystery.

Campus The Hague's Faculty Board has a new member. Mikal Tseggai has passed on the baton to Marlou Grobben, making her this year's faculty assessor. So what exactly does an assessor do? What are Mikal's thoughts as she reflects on the past year and what are Marlou's plans? The two women are more than…

Every year, an NWO PhD in the Humanities grant is awarded to a prospective PhD candidate at the Faculty of Archaeology. This year, the grant went to Maia Casna, enabling her to study respiratory disease in the past. ‘My hypothesis is that the rapid formation of cities in the medieval Netherlands, must…

An international team with researchers from Leiden revealed how a bacterium repurposed an internal system to control its movements. Movement control is very important in host invasion, which can lead to disease. Publication on 27 April in Nature Communications.

It often takes a long time for people with an eating disorder to seek help and receive treatment. eHealth could be a solution, PhD candidate Pieter Rohrbach has discovered.

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

Career Services of the Faculties Governance and Global Affairs, Social Sciences, and Humanities joined forces to organise the ‘Meet the Employer’ Week held from 6 – 10 December 2021!

Every year, an outstanding lecturer receives the Faculty Teaching Prize. Lecturers are nominated by students and a jury decides who receives the prize. The prize is awarded during the official opening of the academic year on 2 September. This year, students nominated four candidates.

Fred Janssen is curious about how best to teach students and students to gain a good understanding of complex ‘swamp situations’. This is the subject of his inaugural lecture as Professor of Science Education at the ICLON and the Faculty of Science. Inaugural address 19 June 2017.

Researchers at Leiden University have been awarded a €4 million EU grant to develop climate-neutral fuels. With this money they will expand the broad research community that focuses on green energy. If we work together, we can make the rapid progress that is needed, says Prof. Huub de Groot, Professor…

Alumna Tiziana Lippiello became the first female rector magnificus of Ca’ Foscari University of Venice last year. In this way, she hopes to contribute to emancipation in the academic world: 'We need more women here.'

For the first time, contagious yawning has now also been found in a species that roams its territory mostly in solitude and is less frequently engaged in social interactions: the orangutan. Publication in Nature Scientific Reports by an international group of scientists with lead-author Evy van Berlo,…

After 14 years of chairing the Faculty Council, Associate Professor Jan Sleutels is handing over the baton. Student Susan van Grol takes over the chairmanship. Time for an introduction to Susan.

Sarah Wolff has been professor of International Studies and Global Politics since 8 January. Time for a brief introduction about her field and academic interests.

The impact of war extends beyond destroyed buildings and torn families. In bilingual Ukraine, the ongoing war with Russia is a major driver for increasingly discarding the Russian language. What does this mean for the position of Russian in Ukraine?

How do young people react when an unknown person gets under their skin in an online game? A sense of control over their social environment can prevent young people from quickly resorting to anger in such a situation, development psychologists Sheida Novin, Carolien Rieffe and colleagues discovered.…

Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…

After a week of shadowing for her master's degree in Public Sector Management, it has become very clear to student Loes what a manager's day looks like. 'He was putting out fires all day.'

For first-year bachelor’s students, it is a well-known phenomenon: student mentors. These older students help newcomers on their way in small groups. Due to the Covid-19 pandemic, this year the choice was made to set up a mentor programme for new master's students as well. We talked to three student…

Student of International Studies Susanne Reitsma has a remarkable passion: water. In April 2015, she was elected vice president of the World Youth Parliament for Water, in which capacity she works for worldwide access to clean drinking water and sanitation. What does Suzanne find so special about water?…

Dutch influencers like Romy Boomsma and Nina Pierson have a huge following on Instagram and are increasingly sharing book tips there. Researcher Aafje de Roest wants to find out more about the reading culture they are promoting and its effect on the reading habits of their mostly young female follow…

Within 20 years, intelligent machines will play a major role in society. ‘Selfdriving cars will be 90% safer than human-driven cars and will change transportation globally,’ says artificial intelligence scientist Bart Selman of Cornell University. He gave the first Ada Lovelace lecture of the Leiden…

What chemicals do plants have available, and what happens if they use them when faced with bacteria or fungi? That is what PhD candidate Luis Salomé Abarca is keen to learn. He studies plants’ survival and their use of chemical components in communication and defence. Salomé Abarca works at the Natural…

Rianne Vink, one of the student counsellors, explains what a student counsellor does.

Every year the newly arriving Archaeology students are invited to join an introduction day during which they get to know the Faculty and each other. This year, however, for the first time, the students were invited to join in on introductory activities of a less static and more fun nature, organised…

This year the PhDs of the institute had their traditional day out (uitje) to The Hague. The last two years they had stayed in Leiden, so The Hague already seemed like quite the adventure. Indeed, it seems almost that as time progresses and more and more archives become digitized, history PhDs slowly…

Receiving positive support and seeing yourself as being a quitter may help smokers quit, say Eline Meijer and colleagues. The health psychologists published their study in Social Science & Medicine.

Micah DenBraber studied at Leiden University College in The Hague while pursuing an internship at the World Resources Institute (WRI), a self-proclaimed ‘think-and-do-tank’, where he built partnerships with the philanthropic sector, among other things.

Many people don't know exactly what Open Science is or why it is important. In a short interview, Anna van 't Veer explains her take on it.