Since April 2023 the current war in Sudan has brought larger death, destruction, and displacement than any other ongoing armed conflict on earth. This dialogue brought together wise thinkers and excellent speakers from academia, civil society, policymakers, and youth to discuss how peace can be brought…

More efficient use of phosphorus fertilisers would make it possible to meet food demand in 2050, without using more of the world’s land for agriculture. This is what environmental scientists José Mogollón and colleagues have discovered by working out various future scenarios for food production and…

Dutch people are proud of the fact that genever, their national drink, was the prototype for gin, the now so fashionable British spirit. And Leiden people are proud of their Professor Sylvius, who invented genever in the seventeenth century. But is this really true?

Three Leiden students are in the running for the annual ECHO Award. This prize is for students from non-Western backgrounds who are actively engaged in society and promote diversity and inclusion. The three Leiden nominees are Gnimdou Yaovi Assih, Husna Jalal and Sohana Jethnani.

What is it like to be old? Many young people cannot really imagine what it is like. For a group of Honours students, however, this question has been answered. They had the chance to wear an age simulation suit during the Bachelor Honours Class ‘Vitality and Ageing’.

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

Claire van den Helder (fourth-year Cultural Anthropology student) and Orestes Kyrgiakis (second-year Cultural Anthropology student) won the Pieter de la Court Medal 2021. The Pieter de la Court Medal is an initiative for students by students and is awarded annually to students who voluntarily contribute…

This was the fourth panel of the Just Peace Dialogues.

Hundreds of new students at Leiden University attended the opening of the 2015-2016 academic year. They came from all corners of the world for the start of their new study programme. Portraits of some of the newcomers.

How do you offer high-quality and interesting education with simple means? Universe Awareness of Leiden University spoke about this during the annual science festival in Botswana. With among others a laser experiment compiled of household materials, they showed the possibilities to interest young people…

The Faculty of Science forges new research collaborations with the Institut Teknologi Bandung in Indonesia in the fields of tropical diseases, e.g. tuberculosis and medical biotechnology.

A film and quiz at the Old Observatory, a film whose ending you decide or a political satire in The Hague. These are some of the options at Science & Cinema, the 444 edition, a special programme during LIFF, the Leiden International Film Festival.

Cláudio de Sá predicted the preferences of people using rankings. He adjusted ‘classical’ machine learning approaches, making them suitable for predicting preferences. His work can be applied in the prediction of election results. PhD defence on 16 December.

Vincent Bakker has won the 2017 Thesis Prize of the research master’s programme Political Science and Public Administration. His study of labour market effects of social investment policies is the crowning achievement of Bakker’s work as a MSc student. It also marks the start of his academic career.…

Leiden Observatory is going to use a new technique to carry out calculations on gravitational lensing measurements. They will do this is the context of research into the formation of elliptical galaxies. Alessandro Sonnenfeld (University of Tokyo) who developed this technique joined the research team…

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

The Leiden-Delft-Erasmus Centre for BOLD Cities uses data research to help solve urban issues. Three interdisciplinary research projects will begin soon. Leiden sociologist John Boy explains.

Leiden Professor of Astronomy Mike Garrett is searching for signs of extraterrestrial intelligence. In his Kaiser lecture on 23 April he will discuss how far science has progressed in this quest.

The university was a gift from William of Orange to the people of Leiden for their courageous resistance to the Spanish. We’ve all heard the story of the university’s foundation. But its foundation was also a success story for two friends.

Leiden University has almost sixty talented students who are studying at the Royal Conservatory in parallel with their degree programme. They will be demonstrating their talents in a series of nine public concerts.

How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.

How much mortgage interest can I claim back according to law? Or maintenance payments, how much do the tax authorities let me deduct? Many citizens struggle with questions about the application of tax legislation. Roberto van den Heuvel investigated in what way tax legislation should provide clarity…

111 years ago, Heike Kamerlingh Onnis liquified helium for the first time, a tour the force that netted him the Nobel prize. It took a laboratory of a size rarely seen. Now, ultracold helium has become a commodity for physics research. In Wolfgang Löffler's lab, it is ready at hand thanks to a coffee…

Leiden researchers have developed a new method of determining the geographic origin of humans. Archaeologist Jason Laffoon and his team used the technique to discover where precolonial pioneers in the Caribbean region came from.

Network-on-Chips are hardware that are used to communicate between different parts of a microchip. They have been around for over twenty years, but they still cannot be widely used in real life because they consume too much power. Computer scientist Peng Wang tried to find a solution for this power-inefficiency…

The latest book by political scientist Matthew Longo came out this spring: 'The Picnic: A Dream of Freedom and the Collapse of the Iron Curtain'. In addition to its many favourable reviews, the book received the prestigious Orwell Prize this summer, which highlights exceptional books on politics.

Expert in Classics Renske Janssen has been awarded a Rubicon grant. She will use the grant to conduct research at the University of Edinburgh into how Roman law was perceived by society at the time.

As many as seven first-year students from the Faculty of Science were honoured as young talents. In addition, the Royal Holland Society of Sciences and Humanities (KHMW) also lauded three master's students and an astronomy project during a vibrant ceremony on 28 November. Professor of Science Communication…

Joachim Koops has been appointed as scientific director of the Institute of Security and Global Affairs (ISGA) of Leiden University in The Hague. ‘ISGA is in the position to connect research to policy in the field of security and global affairs, a remarkable combination for this young and creative institute.…

Missions to the moon have become popular again. In just one week, a lunar mission from Russia failed while India landed a spacecraft in a historic first. Companies, too, want to go to the moon. But can anyone just go to the moon? Tanja Masson-Zwaan explains the rules of international space law on Dutch…

For justice to be done after a crime, most people feel that retribution alone is not enough. These are the results of research by Leiden University and the University of Mannheim (Germany). Publication in Plos One.

Leiden chemists Marc Koper and Ian McCrum have discovered that the degree to which a metal binds to the oxygen atom of water is decisive for how well the chemical conversion of water to molecular hydrogen takes place. This insight helps to develop better catalysts for the production of sustainable hydrogen,…

Inviting members of the public to help monitor wildlife, photograph plants or conduct samplings. These are some of the many examples of Citizen Science. It is increasingly recognized as effective and impactful for collecting data, but also for engaging the public in scientific research. In Nature reviews…

The French political theorist Hélène Landemore has been appointed as the new Cleveringa Professor. She will deliver her inaugural lecture on 26 November.

Majid Khan, born and raised in Pakistan, left his wife and daughter behind to do research in Leiden. After obtaining his PhD, the Netherlands has taken a special place in his heart. ‘Biking in the rain and wind was weird. But I loved it.’

On Thursday 31 October 2019 several graduation ceremonies for study programmes of the Institute of Public Administration were held. It was the first time these festivities took place at Campus The Hague.

Another year has reached its end. And what a year it has been! On December 17th staff and students of the Faculty of Archaeology came together to celebrate and reminisce. The event's central topic was the closure of the 50 year anniversary of the collaboration between the Faculty of Archaeology and…

The rare Ethiopian wolf is increasingly coming into contact with local cattle farmers. PhD candidate Girma Eshete explored ways of saving this elegant animal from being wiped out. Phd-defense on 5 September.

The way DNA folds, largely determines which genes are read out. John van Noort and his group have quantified how easily rolled-up DNA parts stack. This costs less energy than previously assumed. Publication in Biophysical Journal.

Neighbourhood newspapers, newsletters and Facebook groups: Leiden residents have dozens of ways to keep each other informed about news in their neighbourhood. Students from the pre-master's programme in Journalism and New Media mapped out all these different media and asked themselves: what is the future…

Tech giants such as Google, Apple, and Microsoft are increasingly shaping the digital world we live in. Reijer Passchier cautions: 'Urgent measures are needed to curb this influence.'

The Leiden University Visual Ethnography collection has been added to Alexander Street Press, an educational streaming video service. The master’s specialization Visual Ethnography has supported many talented individuals to produce inspiring films. About 70 master’s thesis films of the past 8 years…

Studying abroad is about more than just your study programme. Laura Noordermeer is on an exchange in Seoul, South Korea, where she was lucky enough to see Suzanne Schulting win the very first gold medal for the Netherlands in the short track.

The Journalism and New Media study programme is celebrating its 20th anniversary. On the occasion of the anniversary, student Iris Kole gives a glimpse of her day as an intern at the Leidsch Dagblad.

Twenty students and alumni from our faculty recently went on a working visit to NATO. Led by Leiden alumna Beaudine Verhoek (MA in International Relations), who is now Officer for Political Affairs and Security Policy at NATO, we were treated to an informative programme at the organisation’s brand-new…

The train to The Hague holds no secrets for Jeroen Touwen anymore. Since October, the Vice-Dean of the Faculty of Humanities has been part of the board of Campus The Hague. One day a week, together with Jan Crijns (Professor of Criminal Law and, as of February 15, Vice-Dean of the Law Faculty), he oversees…

On 10 May 1940, the Netherlands was taken completely by surprise by the attack of the German army. Wasn’t it? In his dissertation, Wouter Linmans debunks the idea that the Second World War took the Netherlands by surprise. ‘From 1935 onwards, all major political parties wanted to invest in the military.’…

Prof. Bernhard Hommel has been awarded an Advanced Grant by the European Research Council (ERC). With this grant of 2.5 million euros the cognitive psychologist will conduct a five years research on metacontrol; a study on how we determine the impact of our goals on our actual behaviour.

They have known each other since they were small but Rianne and Tom first fell in love when working together at the university. That love culminated in a fairytale wedding amid all the revelry last 3 October.

Eighty years after its founding, the United Nations faces major challenges. Once established to prevent global conflict, the organisation now operates amid geopolitical tensions, prolonged wars and growing criticism. Joris Larik discusses this in Forbes.