Memory loss and confusion are signs of Alzheimer’s disease. Physicists Serge Rombouts and Martina Huber have developed new methods to help medical science get to the bottom of this insidious disease.

The Phase 3 clinical trial results of the promising Covid-19 vaccine of Johnson & Johnson are expected this month. The Dutch electron microscopy facility NeCEN helped develop the company’s vaccine, and they have now published their scientific findings in Nature Communications.

The POPCorner The Hague festive opening week has been postponed due to the more restrictive corona measures, but the website is online, its’ employees are roaring to go, and there are plenty courses and workshops available to take part in. High time to get to know more about this meeting point for and…

A night sky of more than 40 petabytes in size, simulating young star clusters and understanding how the body inhibits viruses: three Leiden projects have received computing time on one of the national computer systems.

Vivian van der Linde completed her masters Crisis & Security Management in the summer of 2020 by writing a thesis on Dieselgate. Freshly graduated, she felt she wanted to do more with her research. But how do you go about that, having just finished studying? Together with her thesis supervisor Wouter Jong…

There’s a Stone Age house at Broekpolder, near the city of Vlaardingen. It wasn’t built by prehistoric people but by modern archaeologists from Leiden University and volunteers from a local initiative known as Broekpolder Federation. They used replicas of Stone Age tools, such as stone axes and chisels…

In the largest study of ancient DNA ever conducted, an international team of scientists has revealed the complex story behind one of the defining periods in European prehistory. The study is published this week in the journal Nature.

The behaviour of strongly correlated electron systems, such as high-temperature superconductors, defies explanation in the language of ordinary quantum theory. A seemingly unrelated area of physics, string theory, might give physicists a better understanding of the weird behaviour of these kinds of…

Neanderthals were able to outwit straight-tusked elephants, the largest land mammals of the past few million years. Leiden professor Wil Roebroeks has published an article about this together with his German colleague Sabine Gaudzinski-Windheuser in the Science Advances journal.

Starting as an MP during the Covid-19 pandemic and after the recent ‘role elsewhere’ debacle during the coalition talks for a new Dutch government, alumna Mariëlle is looking forward to making a real contribution in society.

Audrey Heijns explored the mindset of alumnus Henri Borel. From 1894 to 1916 he was an interpreter of Chinese and later a government officer for Chinese affairs in the Dutch East Indies. Borel's way of 'translating' Chinese was both unique and inimitable. PhD defence on 28 June.

Leiden has an international reputation as a stronghold of knowledge about cultures worldwide. Under the umbrella name of LeidenGlobal, Leiden University, the National Museum of Antiquities, the Natioial Museum of Ethnology and five research institutes are working together to disseminate this knowledge…

Judicial officers have some leeway in how they act. In most cases that's fine, but it can also lead to abuses, such as ethnic profiling. It is easy to forget that these are not isolated decisions, but are also part of a framework of formal policies. Professor Maartje van der Woude calls for more comprehensive…

Mark Rutte: an exceptional politician whose time was up. What are the consequences of Rutte’s departure. Experts from Leiden University give their view on this political event.

Seger Kersbergen studied the Cabo Verdean nightlife in Rotterdam. He explains how their music describes their nightlife and daily lives.

As you near the end of your student time, it can be daunting thinking about what you want to do after graduating. Am I ready for the job market? What are my options? Just about every student wrestles with these questions, and Lisanne and Wilbert are no exception. They called on the help of the University's…

Pui Chi Lai (35) has a lot on her plate, being a study adviser and coordinator of studies for two bachelor's programmes and two master's programmes. Alongside her job, however, she does not sit still and follows a PhD trajectory at the University of Macau.

Raymond Corbey holds a chair in both Philosophy of Science and Anthropology at the Faculty of Archaeology, to which he has been attached since 1993. The faculty’s 'embedded philosopher', as Dean Kolen likes to call him, is hard to pin down in terms of the usual specialties at the faculty because of…

By means of a presentation, a panel discussion, and activities in the fresh air, the event themed ‘Environmental Humanities’, organised by the Honours College Humanities, managed to unite both people and disciplines. ‘There is a gap between humanities and sciences, but they are more alike than you might…

When people and tigers use the same forest, their ability to cope and co-adapt to the influences of the other is much higher than currently understood. This is one of the conclusions drawn by Leiden BioSocial researcher Shekhar Kolipaka, who researched whether tigers can survive in human-dominated…

It’s become somewhat of a tradition at Leiden University: the strategic conference at the end of June each year. About a hundred staff including the faculty boards, academic directors, directors of the expertise centres and Administration and Central Services, the representative councils and student…

With this quote in mind, we organised an alumni event in Brussels for those alumni that live and work in the Brussels Area. 67 mostly young alumni - the majority graduated in the years 2010-2019 - showed up at the beautifully renovated Holland House, situated near the lively Place du Luxembourg (better…

The James Webb Space Telescope has found evidence of carbon dioxide (CO₂) in the atmosphere of a giant planet 700 light years away. This result provides insight into the composition and formation of this gas giant and shows what James Webb is capable of. The research by the international group of astronomers,…

CML grants three Stans Awards each year, known as the best PhD paper, best student thesis and best outreach from the past year. The CML staff nominated students and colleagues and this year’s jury Helias Udo De Haes and Gjalt Huppes made the final decision.

Professor Joanita Vroom, together with the Royal Netherlands Institute in Rome (KNIR) offered the course Byzantine Rome in September 2023. The course, co-taught by Vroom, Letty ten Harkel and various guest lecturers, investigated the transition of the city of Rome from Late Antiquity to the Middle Ages,…

The Centre for Science and Technology Studies (Leiden University) has adopted a new governance structure. As of January 1, 2019, the centre will be led by Prof. Sarah de Rijcke, who has been appointed by the board of the Faculty of Social and Behavioral Sciences (FSW) as the new scientific director…

How do you recount historic events if you are not allowed to talk about them? For his dissertation, Taufiq Hanafi tried to find out how a period of mass murder – despite heavy censorship – found a place in Indonesian literature. PhD defence 31 March.

A new way to decipher the light from distant worlds could give us unmistakable evidence of extraterrestrial photosynthesis, and maybe alien plants, finds astronomy author Colin Stuart in the New Scientist. In his article, he describes the work of the group led by Leiden astronomer Rob van Holstein.…

In 2013, Sylvestre Bonnet received an ERC Starting Grant to kill cancer with molecules that can be activated by light. Two postdocs and three PhD students later, the end approaches of his so far successful project.

Sarah Cramsey was appointed professor by special appointment of Central European Studies at the Institute of History on 14 September. 'I am keen to incorporate different scholarly approaches into my work and raise the profile of Central European Studies in Leiden.'

Matthew Hobson is a postdoctoral researcher in the ERC granted research project 'An Empire of 2000 Cities: urban networks and economic integration in the Roman empire', directed by Luuk De Ligt and John Bintliff (Archaeology).

As of January 2022, Ivo van Vulpen has been Professor by Special Appointment of Science Communication at the Leiden Institute of Physics (LION). Van Vulpen will be researching science communication in general and will aim to underline the value and importance of science communication.

Betty de Jonge is a household name in our faculty. As the person behind AskBetty, she knew how to answer every question about Office. Starting this month, she has officially retired.

An international team of astronomers has published the most sensitive images of the Universe ever taken at low radio frequencies, using the International Low Frequency Array (LOFAR). ‘LOFAR is unique in its ability to make high-quality images of the sky at metre-wavelengths’, said Huub Röttgering, Leiden…

Four lecturers from Leiden University will receive a 50,000-euro Comenius Teaching Fellow grant. This will enable them and their team to realise an educational innovation within their own teaching.

On 22 January, Annemarie Madani-Abbing will defend her dissertation 'Art therapy and anxiety' regarding her research into the effectiveness of anthroposophic art therapy in treating anxiety in women. We asked her about her research and what it was like to combine a job outside academia with studying…

Where should you plant ten trees so that as many city-dwellers as possible can enjoy them? If a smart algorithm knows how people move through the city and where there are already trees, it can calculate the optimal solution. Data scientist Mitra Baratchi makes this possible. Her students are now using…

Almost a thousand students started HOPweek in The Hague on Monday morning. During this introduction week students get to know the city, the university and each other.

Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.

Leiden astronomers and ecologists are developing an instrument that lets people measure the quality of surface water with a smartphone.This international citizen science project, MONOCLE, is a collaboration between scientists and local people in Tanzania, Brazil and four European countries.

Studying as an asylum seeker without a residence permit. Every year, student initiative IncLUsion enables dozens of asylum seekers to take several courses at Leiden University. ‘Education has given me a lot of support.’

Scientists have long been puzzled why it is easier to produce hydrogen from water in an acidic environment than in an alkaline environment. Marc Koper comes with an explanation: the reason is the electric field at the surface of the catalyst, which is larger in an alkaline environment, as he writes…

When delegations from Leiden University visit foreign countries, they often arrange a meeting specially for alumni of the country. Mexico was no exception. On Monday 23 October, some thirty alumni got together in Mexico City.

On the Indonesian island of Siberut, the term 'hungry' does not just refer to the lack of food, but above all the absence of social contacts to use a meal.

Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

Rob Goedemans (52) is an information manager at the department Information Management and Facilities (IFZ) and member of the crisis team. He is involved in facilitating and providing information about distance learning. We asked Rob how he is helping our faculty through this hectic period.

Migration is not only reflected in DNA, but also in language. By tracing changes in language, we learn more about the lifestyle of the people that speak it. University lecturer Tijmen Pronk (40) conducts linguistic research into (pre)historical migration.

Egyptologist Lara Weiss is curator at The National Museum of Antiquities and has been leading the VIDI research project 'Walking Dead' since 2017. The exhibition 'Saqqara: Living in a necropolis', which will be on display at the museum starting March 10 next year, is part of the project.

The Surinamese-Dutch language, Parbo Beer and, of course, football. The ‘Dear Aunt Olga’ (‘Lieve tante Olga’) exhibition focuses on the shared Surinamese-Dutch culture. Full of cheer and with life experience to spare, ‘icon’ Aunt Olga (95) leads visitors through a shared history and does not shy away…

Jeroen Touwen has been appointed Vice-Dean and portfolio holder for bachelor’s programmes at the Faculty of Humanities with effect from 1 January 2020. Over the coming three years he will contribute to faculty policy and will steer the BA programmes from his position in the Faculty Board.