Emergency services and governments were caught by surprise on Monday 24 June by the nationwide breakdown of the emergency phone number 112. The breakdown raises the following question: ‘Could this not have been prevented’?

How did a fifteen year old paper receive an award? It happened to LIACS professor Todor Stefanov and his colleagues. Their paper was awarded with the Test of Time Award, an international award for papers that had the highest impact over time. This paper in particular is about Daedalus, a framework used…

Leiden University has climbed to 24th place in the UI Green Metric, an international sustainability ranking for universities. This puts Leiden University among the top 6% of high-scoring universities worldwide. 719 universities from 81 countries took place in the ranking.

The number of life sentences in the Netherlands is rising sharply. This is a clear response to the serious drugs violence and brutal attacks on our rule of law. However, criminal justice experts do not believe that this will deter future offenders from carrying out liquidations.

CADS alumna Ruth Erica has won the Glazen Globe with her book The Tree with the White Leaves. This is a biennial prize for the best geography-related youth or children's book.

The Faculty of Humanities has made a festive start to the academic year. On 7 September, staff members were able to meet each other at a drinks party in the Hortus botanicus.

Recently, Prime Minister Dirk Schoof caused quite the stir in the political arena of The Hague following the release of policy documents on the asylum debate. This came ahead of a decision that had not yet been made. The question has since arisen as to whether it’s still possible for civil servants…

Lack of manliness, avaricious or too imaginative. These are just a few of the accusations with which British scientists discredited each other over a hundred years ago. PhD candidate Léjon Saarloos researched British scientists around the year 1900 and their idea of what makes a good - and therefore…

In haar boek ‘Diensten met geheimen’ vertelt Willemijn Aerdts hoe de AIVD en MIVD te werk gaan. En ontkracht ze ook een paar mythes.

For the first time in over half a century, one of oldest telescopes at the Leiden Observatory is getting a major improvement.

With the rise of AI, interest in computational linguistics and language models has taken flight. But machines are far from being able to go it alone. In her inaugural lecture, Professor Carole Tiberius will stress the importance of research on word combinations. ‘We know a great deal but there is a…

On 26 January 2023, a conference was held at Leiden Law School on children’s rights and migration. The conference, organised by Stichting Migratierecht Nederland (SMN) and the Europa Institute of Leiden University, was attended by academics, lawyers, judges, policymakers, and other legal professionals…

Greenhouse gasses in the atmosphere and fertilizers in the groundwater have negative consequences for our environment. With an electrochemical process they can be transformed to more valuable and useful substances like fuel and alcohol. Chemistry PhD candidate Elena Perez Gallent discovered how this…

Meniere’s disease, a disorder of the inner ear, was first described back in 1861, but there’s still no good test or treatment for it. Tjasse Bruintjes, Professor by Special Appointment of Ear, Nose and Throat Surgery, wants more attention for this mysterious disease. And he wants to tell his fellow…

Bribing a politician to gain influence or making sure friends end up in powerful positions: Brazilian energy companies use these power strategies daily.

Alumna Nadeshda Jayakody (25) from Australia graduated cum laude in Human Rights Law. What did she learn in Leiden that has been most useful? ‘I had to pretend that I already worked for an NGO.’

On Sunday 29 October the annual open day of the Old Observatory will take place. During this day, people can visit the Old Observatory for free and enjoy the historic building.

Farmers do not love them all. Microbes can cause tragic consequences for crops. Even the presence of just one pathogenic fungus or bacterium can drastically reduce yields. Still, there are exceptions. In that case, a pathogenic microbe is present in the soil, but does not cause any harm. Adam Ossowicki…

For medical research, researchers often recreate tissue in the lab. Organ-on-a-chip technology emulates organs, right down to the blood that flows through them, thus creating a realistic test model for drugs or research into disease processes. Researchers from the LUMC are coordinating an NWO Gravitation…

Last year, chemists Dennis Wander and Hermen Overkleeft contributed to an important discovery about a widely used cancer drug. Their research has now been recognised as Finalist for the PNAS Cozzarelli Prize in the Biomedical Sciences class.

It is still unclear how the Neanderthals died out. For long, one theory seemed most likely: the emergence of the highly intelligent Homo sapiens, or modern humans. This competition hypothesis is no longer the dominant theory among scientists, research among archaeologists and anthropologists has shown.…

For already two years, Vincent Niochet has been affiliated with the Leiden Faculty of Archaeology as an external PhD candidate. Now, he has been awarded an NWO PhDs in the Humanities grant, allowing him to continue his research as a paid PhD staff member. ‘The past two years have been quite challenging,…

In recent decades, women in Japan and South Korea have been catching up in terms of educational achievements and economic activity. Yet the number of women in leadership positions is still lagging behind. PhD candidate Yorum Beekman investigated why this is.

Give Nikki IJzerman a football and she’s happy. The midfielder was named Player of the Year by ADO Den Haag last season, as well as obtaining her master’s degree in Journalism and New Media.

What do you do when you never got the chance to sign your name in the Sweat Room after graduation? Alumni Brantly Hancock and Kent Moore from the U.S. emailed the alumni officer with a request and came back to Leiden two years after graduation, to finally sign: “It’s a good feeling!”

Under 18, no alcohol. In spite of this slogan, adolescents still have access to alcohol. But how harmful is that one beer for the adolescent brain? Research, including in Leiden, may provide the answer.

Lotje Zuur sometimes has to perform disfiguring operations. As a head and neck surgeon, she removes parts of the mouth, throat or face of people with cancer. Now a promising treatment may make such operations unnecessary. What would this mean for patients? This is what her inaugural speech on 19 September…

Leiden alumnus and writer Tomas Lieske has published a novel which is set in the house of Paul Ehrenfest. Ehrenfest was a famous physicist who organized round table events every Wednesday evening at his home in Leiden in the early twentieth century. The big names from modern physics frequented these…

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

Thijs Bosker, Associate Professor of Environmental Sciences at Leiden University College (LUC) and the Institute of Environmental Sciences (CML), has received funding as part of a large consortium to study the impacts of microplastics on agricultural soils. The project will receive 7 million euro of…

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

Dust particles in space form the basis for new stars and planets. But what do these particles consist of and how do they behave? Sascha Zeegers studied this. PhD defence 1 November.

The energy transition is already a huge challenge for society, but sustainable use of resources is even more complicated. Yet it is at least as urgent. Ester van der Voet has been working on it for decades, for example within the United Nations. Since February, she is a professor at the Centre for Environmental…

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…

After one bachelor’s and two master's theses, Fenna IJtsma knew for sure: she wanted to do a PhD. Her thesis supervisor warned her about the high workload. In the 'Twijfeltraject' (PhD: to do or not to do) podcast, published by Mare, IJtsma explores with Mare editor Susan Wichgers whether a PhD track…

Ahab Bdaiwi, University Lecturer of Islamic history, religion and philosophy, was received the first Faculty Impact Award. His interest lies in ‘everything that has to do with antiquity’, especially the religious and philosophical ideas that arose at that time. ‘They can move people. And many of those…

The Leiden Hortus Botanicus is the oldest botanical garden in the Netherlands. Although perfect for a ramble, it is much more than an open air museum. PhD students carry out their research here and the Hortus makes a serious contribution to biodiversity through the exchange of rare seeds with other…

The number of women in the Netherlands dying before, during or after childbirth has halved.

There are effective treatments for people with autism, says Wouter Staal, professor of Autism Spectrum Disorders, in his inaugural lecture on 4 May. However, it is not yet clear which treatment is most effective for which individual.

All the planets in our solar system orbit around the Sun in an ecliptical plane. This is to be expected because our solar system was formed from a so-called protoplanetary disc. PhD candidate Anna Miotello has studied these kinds of discs and how they influence the formation of stars and planets. PhD…

Psychologist Hilmar Zech found that overweight people are actually more attracted to food pictures after eating than before. He did so using an old research method that he revamped for use on smartphones. Zech will defend his PhD on 30 April.

She works four days a week as a project manager at LIACS and trains six days a week with the Dutch Para Climbing team. Christiane Luttikhuizen balances her role at the Faculty of Science with competing at a high level in climbing.

North Sea Crossings, a new exhibition at the Bodleian Libraries, will trace the long history of Anglo-Dutch relations. Focusing on the period from the Norman Conquest in 1066 to the Glorious Revolution of 1688, items from the Bodleian Libraries’ collections will illustrate the ways in which these exchanges…

During the four-day meeting (25-28 February) organised by AEGEE-Leiden Peter Rodrigues - Professor of Immigration Law -was invited to speak about the refugee crisis for 300 international students.

Prof. Jaap van den Herik was a guest in the latest episode of the Nationale Data Podcast.

Since the start of the Corona crisis, several COVID-19 related research and teaching projects were started at LACDR. The computational and teaching activities started right away, as well as a large-scale metabolomics screening program by Thomas Hankemeier’s group. Other experimental activities are still…

Doing a PhD on the side? External PhD candidates, like Joost Van der Helm, just get on and ‘do it’. Besides his hectic job as a justice at the Court of Appeal in The Hague, Van der Helm managed to still find time to write a PhD dissertation.

Two PhD defences on 9 June by behavioural biologist Errol Neo and underwater acousticianan Özkan Sertlek relate to measuring noise in the North Sea and the harm this noise can do to aquatic animals and their surroundings. Little is known about how harmful human noise can be to aquatic animals.