Face masks and gloves designed to protect us are, in fact, dangerous for the animals around us. Scientists from Leiden warn that throughout the world, on land and in the water, animals are ingesting corona waste, or getting entangled in it. The two biologists are asking for everybody’s help to better…

An event where students came together to discuss the impact of AI on healthcare. Jurren de Groot and Yuxuan Zhu, master's students in Artificial Intelligence, took up the debate. They participated in SimuVaction, an event that brings students worldwide together in Atlanta to simulate an initiative of…

More than 200 students completed their Bachelor’s degrees in combination with a three-year Honours programme last year. On 15 November, this resulted in a record number of certificates since the start of the Honours College 9 years ago. While listening to personal speeches, the students received their…

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.

During the Dutch famine of 1944–45, people were much more creative in finding food than we thought. Biology student Tom Vorstenbosch discovered that people did not only eat flower bulbs at that time, but also radish leaves and wild plants such as sorrel and chickweed.

Various companies in the plant biotech industry will test a recent Leiden discovery in their crops. The ‘Pol Theta’ technology is developed in Leiden and makes it possible to reduce undesired side effects during genome engineering of plants.

A new NMR microscope gives researchers an improved instrument to study fundamental physical processes. It also offers new possibilities for medical science, for example to better study proteins in Alzheimer patients’ brains. Publication in Physical Review Applied.

China’s booming aquaculture industry is increasingly dependent on fishmeal made from wild-caught fish, a practice that depletes wild fish stocks. A new study conducted by institutions including Leiden University and Stanford offers a more sustainable path. The study appeared in the journal Science on…

A day at the beach, games, a visit to an embassy and a pub crawl. The activities at HOPweek help new students get to know not just The Hague but each other too.

‘Wonder is the beginning of insight. Don’t let that academic curiosity erode.’ This was Jan Anthonie Bruijn’s call to administrators and funding bodies in his valedictory lecture.

The LDE Centre for Global Heritage and Development has interviewed Dr Maaike de Waal about the new publication of which she is one of the editors. 'Living (World) Heritage Cities explores how World Heritage Cities are dealing with the preservation of their living heritage, with all the challenges and…

Lecture and Masterclass with Alexandra Sapoznik (King's College London) Connecting economic and environmental histories in the pre-modern world 12 and 13 May 2025, Universiteit van Amsterdam. Deadline for submissions: 29 April 2025, 13:00

The 10th edition of the World Congress of African Linguists (WOCAL), hosted by Leiden University, will be held online from 7 – 12 June. Leiden University Centre for Linguistics (LUCL) researchers give us an insight into how important and special this event actually is.

Leiden archaeology is booming. Our archaeologists take part in major international projects covering not only the Netherlands but large areas of the globe. Caspar Reuvens (1793-1835) was also keen on this division: he had one foot in the Netherlands and the other in the Mediterranean world.

From a catastrophic fire to a flood that engulfs the earth. Mineke Schipper, Professor Emeritus of Literary Studies, has collected myths from the four corners of the earth about the end of humanity. These have inspired 30 striking paintings by Japanese artist Yuriko Yamaguchi. The Dutch premiere of…

Dr. Moritz Jesse, associate professor of European Union Law at the Europa Institute Leiden, addressed the members and audience of the panel “Citizenship and the Refugee Crisis” at the World Conference of the Association for the Study of Nationalities in New York, which took place at Columbia University,…

In Bronze Age Europe many bronze objects such as axes, swords and jewels were deliberately left at specific spots in the landscape. PhD research by Leiden archaeologist Marieke Visser shows that these practices were expressions of people’s relationship with the world around them. ‘It was a completely…

Security and safety challenges are at the top of the list of the most pressing issues of contemporary society.

It is the fourth year in a row that the Faculty of Archaeology is placed in the top ten of archaeological institutes worldwide. The QS World University Ranking by Subject looks at criteria like academic reputation and citation ratios.

On May 13 2022, Frans W. Saris will present the third of a series of "Hello World!" lectures, organised by the Media Technology MSc program of Leiden University. In his lecture titled "Computer Modeling to Save the World", Frans Saris addresses three alarming crises: energy and climate, biodiversity…

'When taking into account all finds in the Islamic world of this enigmatic vessel, it would perhaps be wise not to restrict this container to merely one function.'

From master’s student to professor: scholars at all levels within the Faculty of Humanities are engaged every day in innovative, high-profile research. In Perspectives on the World,reflections of 2014-2015, students and staff talk about the research they have been working on during the past academic…

History and Religious Studies in Leiden rank # 17 and #32 in the QS World University Rankings by Subject. With this, History in Leiden ranks as the best in The Netherlands and Religious Studies ranks as second best.

On 4 and 5 April 2024, the conference "Waterways and Literary Channels of the Premodern World" will take place at Ghent University. The conference is organized within the framework of the Scientific Research Network "Literatures without Borders". Proposals for 20-minute papers, round-table contributions…

Thinking up solutions for global issues such as environmental pollution and poverty. This is what young people from all over the world will be doing at the One Young World summit from 17 to 20 October in The Hague. Follow Leiden students Jennifer Pfister and Thomas Gevers who will be reporting on their…

At Leiden University College, Jaap de Hoop Scheffer urged Europe to show unity and strength in a world defined by fear, power politics, and uncertainty.

On Wednesday 27 March, 17.00 - 18.30, Andrew Pettegree and Arthur der Weduwen will present their book: 'The Bookshop of the World. Searching for markets in the Dutch Golden Age’ at the Lipsius-Building (Cleveringaplaats 1, room 11). Anton van der Lem, curator at the Leiden University Library will introduce…

Bike Labyrinth is international market leader in providing virtual reality exercising for elderly care.

What is the best method and time to test the effectiveness of medicines? PhD student Rob van Wijk of the Leiden Academic Centre for Drug Research (LACDR) discovered zebrafish larvae are best used in drug research when they are five days old. His findings were published on 15 February in the journal…

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

Rafaëlle Kwakkel is currently studying Literary Studies: Literature in Society. In addition to her studies, she works at Studium Generale and enjoys being creative.

Ronald Cramer, in cooperation with Ivan Damgard and Jesper Nielsen (Aarhus University) have recently published the first book ever written on “quantum-secure multi-party computation”. The authors have spent six years to finish this comprising book.

The Centre for Modern Urban Studies (MUS) is a special part of the faculty. Research at MUS is interdisciplinary and is at the intersection of city studies, social history and migration history. Since its foundation in November 2005, the study of the history of The Hague from 1880 on has had a central…

An impact factor of 3.2 in the Web of Science journal index. And in the first 10% of Elsevier's Scopus index. The International Journal of Multimedia Information Retrieval (IJMIR), founded at the Leiden Institute of Advanced Computer Science (LIACS), has become one of the most important multimedia j…

Media all around the world reported about it: the most detailed images yet seen of galaxies, shot by radio telescope LOFAR. The international team behind these amazing results were led by Leah Morabito at Durham University and included three talented Leiden astronomers.

Leiden physicists have been awarded 1.5 million euros for developing a hybrid microscope that provided nanometer-resolution. 'The idea is to combine the resolution of electron microscopy with the pros of optical microscopes.'

The province of Zuid-Holland faces a wide range of global sustainability issues caused by urbanisation, intensive horticulture and industry. The universities of Leiden, Delft and Rotterdam have the in-house expertise to define knowledge questions, set up research programmes and test results, says Prof.…

An international team of astronomers, led by Will Rocha of Leiden Observatory, using the NASA/ESA/CSA James Webb Space Telescope have discovered that the key ingredients for making potentially habitable worlds are present in early-stage protostars, where planets have not yet formed.

On 29 June 2017, Doris Dull-Zessner defended her PhD dissertation “Value Congruence in a Multinational Corporation”. The defence was at 12.30 hrs, in the Academy Building of Leiden University, Rapenburg 73. The supervisors are Professor J.A.A. Adriaanse and Professor J.I. van der Rest.

Scientists widely agree that we must limit global warming to 1.5 degrees Celsius to avoid catastrophic climate impacts. Environmental scientist Laura Scherer investigates how we should change lifestyles to achieve this temperature goal. Her research is part of the 4.8-million-euro Horizon 2020 project…

Drugs-related violence in Mexico is similar in terms of dynamics and strategy to the IS hybrid war in the West. This is the claim made by Teun Voeten. PhD defence 20 September.

Conference

Associate Professor Salvador Santino Regilme discusses the recent launch of the Board for Peace by President Donald Trump in the Portuguese newspaper Expresso.

Associate professor Salvador Santino Regilme was interviewed by NPR about Trump’s soft power.

Antoni van Leeuwenhoek, the father of microbiology, died 300 years ago. 2023 has therefore been designated the Antoni van Leeuwenhoek year. The new Unimaginable exhibition in Rijksmuseum Boerhaave is about the amazing world that Van Leeuwenhoek made visible. What was so special about the way he worked?…

UNESCO has recognized an international set of fifteen manuscripts about Ferdinand Magellan's first circumnavigation of the globe and the three Hikayat Aceh manuscripts as World Heritage. The manuscripts are inscribed in the global UNESCO Memory of the World Register. This list contains documentary heritage…

Always taking the same route to work, going for that one dish in restaurants and going on the same holiday each summer: this may ring a bell for those who don’t like uncertainty. Researchers are now discovering that this aversion affects how we understand the world.

The 10th edition of the World Congress of African Linguists (WOCAL), hosted by Leiden University, will be held online from 7 – 12 June. Leiden University Centre for Linguistics (LUCL) researchers give us an insight into how important and special this event actually is.

This project aims to integrate three of the largest survey databases in the Mediterranean to study the impact of the megalopolis Rome on its direct hinterland.