Leiden University is calling on its students and staff to join in the national day of action – ‘alarm day’ – on Tuesday 6 April for a Normal Academic Standard (Normaal Academisch Peil ). Administrators, staff members and students from 14 universities will be sounding the alarm and asking the government…

An international team of astronomers, including Leiden’s Christian Ginski, has discovered previously unobserved structures in a debris disk around a nearby star. Article published in Nature on 8 October.

The death of George Floyd has led to fierce protests against police violence in the United States and beyond. What effects are we seeing in our University community? We discussed the situation with Diversity Officer Aya Ezawa.

Nadine Akkerman has deciphered the correspondence of Elizabeth Stuart, Queen of Bohemia, and studied 17th-century spies. Her fascinating historiographies have now been recognised with membership of the Young Academy.

A CT scanner to treat eye cancer, energy-efficient software for the future and a test to identify male chick eggs. Three projects by researchers from Leiden University are to receive funding from research funder NWO’s Open Technology programme, to which the business sector also contributes.

New ALMA observations show there is ordinary table salt in a not-so-ordinary location: 1,500 light-years from Earth in the disk surrounding a massive young star. Though salts have been found in the atmospheres of old, dying stars, this is the first time they have been seen around young stars in stellar…

The Dutch research school IPA has awarded former PhD student Sung-Shik Jongmans with the IPA Dissertation Award 2016. In March of that year, Jongmans received his doctorate degree with the rare distinction ‘cum laude’, describing a new method for parallel programming. ‘I aim to simplify programming…

Associate Professor Paz González had two things she wanted to improve for students: collaboration and publication opportunities. Her solution? A scientific journal for and by students. She received a Senior Fellow Comenius grant to put the plan into action.

Specific fatty acid-sugar molecules allow leprosy bacteria, among others, to hide from our immune system. How exactly is not entirely clear. Hessel van Dijk, who received his PhD on 13 October, replicated the molecules, helping to solve a piece of the puzzle. Van Dijk's dissertation is titled: Synthesis…

An interdisciplinary team of researchers has won the NWO Team Science Award after conducting research regarding the authenticity of several “Hugo de Groot’s” bookchests for the Dutch TV series Historisch Bewijs. The team consisted of researchers from the University of Amsterdam, the Rijksmuseum and…

The latest scientific articles by the Rectores Magnifici of Dutch universities will soon be freely available online. They aim to set a good example to researchers in the Netherlands. Carel Stolker from Leiden University is one such Rector.

Recognition for an unprecedented career of more than forty years: Professor of Applied Statistics Jacqueline Meulman of the Mathematical Institute receives the Career Award of the Psychometric Society. ‘A fantastic surprise.’

During the Late Pleistocene, Europe was a cold and unforgiving place to live. Even so, groups of early modern humans roamed around, just like their Neanderthal counterparts. It is unclear what kind of dwellings these people inhabited to shelter them against the elements, especially in regions without…

This week the Turkish army invaded North East Syria. The Turkish invasion might well have had an unintended side effect: the escapement of thousands of Islamic State terrorists held in captivity. Experts on terrorism and politicians fear a resurrection of the terror group.

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

The journal Philosophical Transactions of the Royal Society – Biological Sciences published its theme issue ‘Conflict across taxa’ on 4 April, which was edited by Professor of Social and Organisational Psychology Carsten de Dreu. Together with researchers from other disciplines he provides more insight…

The Faculty of Humanities has shared a new spending reduction plan with its students and staff. Although the plans are less sweeping than previous ones, we still need to make painful decisions: the proposal to scrap the Bachelor’s in Italian Language and Culture, for example.

2024 has been an eventful year, and this is reflected in our social media posts. An overview of the most liked, most shared or most impressive posts.

Just one year ago, nobody would have given Trump a cat's chance in the US presidential elections. Now he will be the next President of the United States. Professor of Journalism and New Media Jaap de Jong explains the rhetoric that has got Trump so far.

The ongoing conflict in Kashmir is often seen as a political issue between India and Pakistan. Idrees Kanth, who has written a dissertation on the subject, believes that the people of Kashmir are the primary contenders in the conflict and should be allowed their right to decide their own political fate.…

The discovery of a planet far too large for its sun defies models about the formation of solar systems and planets. In a paper in Science, researchers, including Yamila Miguel of Leiden Observatory, report the discovery of a planet more than 13 times heavier than Earth orbiting the ultracool dwarf star…

For the past 2 years, Dr Letty ten Harkel has been jointly running an excavation project of a suspected Roman villa site on the Balearic island of Mallorca with colleagues Dr Antoni Puig Palerm and Ritchie Kolvers, MA. The project was recently awarded a LUF Chastelain-Nobach fund to explore the extend…

If you look closely, you may recognise the metal beams from the skeleton of the Circular Pavilion near Leiden Central Station: they come from the demolished Gorlaeus Highrise. The same beams have also been used for the circular construction of BioPartner 5 at the Leiden Bio Science Park, which will…

No evidence found that increasing migration leads to an increase in politically and ideologically motivated criminality. Migration flows have, however resulted in increased polarisation in the Netherlands.

Marion Pluskota is the new post-doc on Manon van der Heijden's 'Crime and Gender' project.

The Honours Academy has recently started working with the new visual technology Virtual Reality (VR). 'It is important to look beyond your own borders and to keep on experimenting. It may not work out, but at least you tried.'

The 289 students who recently moved into the tower on Kolffpad at the Leiden Bio Science Park are sitting pretty. A self-contained unit in the middle of the campus yet surrounded by green, with a launderette, games room and study area on the ground floor, and, coming soon, a branch of Coffee Star.

Livestock was already transported over long distances in the Bronze Age Netherlands. That is what researchers from Leiden University and VU Amsterdam have discovered. Publication in the Journal of Archaeological Science: Reports.

Late in 2015 a woman gave birth to a baby conceived following the reimplantation of thawed ovarian tissue. The woman was able to become pregnant thanks to transplantation of the tissue that took place in the LUMC.

Professor of Korean Studies Remco Breuker has been awarded a subsidy from the European Research Council to study the dispute between both Koreas and China on the history of Manchuria. Political scientist Daniela Stockmann will be examining the role of social media and how the Chinese authorities handle…

For the twelfth consecutive year, Leiden University College The Hague has been awarded the 'Top Programme' quality label by the Keuzegids Universiteiten 2025. With an impressive overall score of 89 out of 100 points, the Liberal Arts and Sciences: Global Challenges (BA/BSc) programme has earned five…

Tech company Uber uses various tricks via the Netherlands to avoid paying tax on its profits. A $16 billion inter-company loan from Singapore has prompted questions with experts claiming the loan is not under arm’s length terms. MEP Paul Tang wants Brussels to investigate.

Political scientist Kevin Köhler (Leiden University) has been awarded a Consolidator Grant by the European Research Council (ERC). This prestigious grant enables him to set up a research group in the coming five years. Köhler and his team will examine how elite conflict affects processes of regime change…

In the tropical rainforests of Southeast Asia the soursop family (Annonaceae) can be found. The genus Uvaria is a part of this family, but it has not yet been described entirely correctly. That is what Annas Rabbani will be studying during the next four years as a PhD student at the Hortus botanicus…

We do it every day but barely give it a thought: chewing our food. But the ‘simple’ process of masticating food may have played a crucial role in the evolution of our jaws, facial muscles and teeth.

LUCSoR is happy to welcome Verena Myer, researcher and lecturer in Islam in South and South-East Asia to the staff. In this interview she will discuss the course she is teaching, as well as her upcoming book.

Professor Sjoerd Douma has been named the top lecturer on Coursera, the best-known platform for online courses. Students gave him an average score of 9.8 - almost unheard of for a lecturer in International Tax Law.

The Palestine Laboratory: How Israel exports the technology of occupation around the world, Antony Lowenstein, Verso Books, 2023

Two Leiden legal scholars have been awarded funding from the KNAW pilot fund 'Science communication by scientists: Appreciated!'. The fund supports scientists who have demonstrated a continued commitment to science communication.

The seventh Leiden wall formula has been finished. Over the last few weeks, mural artists Ben Walenkamp and Jan Willem Bruins have painted Christiaan Huygens' pendulum formula on 'De Brandmeester' an old drill and hose tower in de Plaatsteeg, just behind the Breestraat in Leiden.

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.

Research to experiment with bacteria that grow like plants has been granted the NWO XS grant. These bacteria use light and carbon dioxide to grow, and will be designed especially for use in the biotechnological field. Tijn Delzenne and his supervisor Dennis Claessen can spend 50.000 euros on the exp…

Two of our colleagues received a royal decoration. Professor Jo Hermans became “Ridder in de Orde van Oranje Nassau”, and Professor Jan Schmidt became “Officier in de Orde van Oranje Nassau”. They receive the decoration as an acknowledgement for their extraordinary and selfless contribution to others…

Of this year’s four NWO Spinoza Prizes, two have been awarded to Leiden researchers. On 12 September, Eveline Crone and Michel Orrit received their prizes, the highest scientific award in the Netherlands. The Spinoza Prize carries an award of 2.5 million euros.

For the first time, scientists have traced back a high-energy neutrino to its source in space. It was produced by a so-called blazar—a supermassive black hole. Researchers from neutrino detector IceCube report this in Science. ‘This is a milestone for neutrino science,’ says physicist Dorothea Samtleben…

What do climate change and traditional Japanese music have to do with each other? A great deal, university lecturer Andrea Giolai suspects. He has been awarded an NWO grant to study the relationship in more depth.

Understanding what our buildings and cities are made of is an important step in making them more sustainable. Industrial ecologist Tomer Fishman (CML) has received an ERC Starting Grant to map the construction materials used in buildings in the Global South. 'Without the data, you can't formulate po…

An international team of astronomers, including Professor Koen Kuijken, has published a series of online articles presenting the first results of a major search for dark matter. Never before have researchers been able to chart so precisely the characteristics of groups of galaxies and their dark matter.…

A professor from Leiden University has subjected various colleagues to intimidating and unacceptable behaviour for a longer period. These are the findings of an investigation carried out by the University’s independent Complaints Committee for Unacceptable Behaviour at the request of the Executive Board…

Over the years, many spectacular archaeological finds have been washed ashore on the Dutch coast. Among these a large assemblage of barbed points made of bone and antler from the Mesolithic (11,000-8000 BC). The species used by Mesolithic hunter-gatherers to manufacture their barbed points remained…