Using the James Webb Space Telescope, an international team of researchers, including Leiden Professor of Molecular Astrophysics Ewine van Dishoeck, has discovered a palette of hydrocarbons in a planet-forming disc around a young, low-mass star. The results confirm that discs around very lightweight…

Even embryos can become embroiled in an evolutionary arms race with another species. Leiden biologists demonstrate this with larvae of the rosy bitterling that parasitize the gills of freshwater mussels. They published their research on February 19 in PNAS.

Facility

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…

The pesticide thiacloprid turns out to be more harmful than previously thought. It can disrupt the lives of freshwater invertebrates and their communities, upsetting the balance and functioning of entire freshwater ecosystems. This was shown by ecologist Henrik Barmentlo and colleagues, their research…

In 2025, Leiden University College (LUC) celebrates its 15th anniversary with the theme 'Global challenges, local impact'. To kick off this anniversary year, we have shared fifteen stories over the past few weeks showcasing how LUC students, researchers, and alumni contribute to societal challenges…

A generation is growing up in The Hague Southwest with little outdoor play space. Researchers from Health Campus The Hague are following what the BRUIS neighbourhood approach does and means for children and young people in the neighbourhood.

Facility

Thank you for celebrating Pride Month with us! 🌈 Over the past month, we have honored love, diversity, and inclusion together. We hope you had a chance to stop by a DEI team member to pick up a Pride ribbon and show your support for the LGBTQ+ community. Everyone is always welcome.

Metamaterials researcher Martin van Hecke has been elected American Physical Society (APS) fellow, an honour exclusive to only half a percent of the society's members.

It was hot. It was sweaty. Despite the hot summer weather, colleagues showed top performances at the dodgeball tournament on 20 June, organised by Roy de Kleijn. It was an afternoon full of quick dodges, unexpected throws and a good barbecue.

On August 22nd, 2024, the LACDR reflected on the transition of the Scientific Director Position from Hubertus Irth to Miranda van Eck. Hubertus Irth’s second term as Scientific Director ended on September 1. From this date, Miranda van Eck took over the role of Scientific Director of LACDR.

On April 12th three students majoring in Earth, Energy, and Sustainability (EES) from Leiden University College participated in the annual conference of the Netherlands Center for River Studies.

Education

During her search for a subject for the literature study of the Bio-Pharmaceutical Sciences master programme, Linde Schoenmaker read a press release about the ultra-low storage temperatures of the COVID-19 vaccines. She wondered why these vaccines must be stored at such cold conditions. Her question…

The Neumark-Nord 2 site in central Germany, dates back to 125,000 years ago. During an interglacial period with temperatures similar to those today, Neanderthals where doing something we previously thought happened only tens of thousands of years later.

The United Nations Committee on the Rights of the Child (CRC) has accused Finland of violating the rights of Finnish children by leaving them in life-threatening conditions in Syrian camps. Ann Skelton, member of the committee, calls the situation 'inhuman'.

LiDAR, a laser-based remote sensing technology, is transforming archaeology by uncovering hidden landscapes beneath forests, vegetation, and shallow waters. Though initially designed for land management, its applications in archaeology have grown rapidly.

Facility

The European Food Safety Authority (EFSA) has awarded a €1.6M contract to an LACDR-led consortium to assess how sensitivity to toxicity caused by chemicals varies among individual people. Currently these toxicodynamic differences are an unknown source of uncertainty when carrying out risk assessment…

Lecture, Global Histories of Knowledge Seminar

There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

Commercial MRI systems cost millions of euros to purchase and require highly trained technicians to operate. Prof. Andrew Webb works on accessible MRI techniques that offer new opportunities in both developed and developing countries. Webb is a professor at the Radiology Department of the LUMC and,…

On January 24 Professor Annemarie Meijer and Dr Sander Wezenberg received a NWO grant for their research. The grant was awarded within the Open Competition Domaine Science-M programme and is intended for innovative research areas that can form the basis for the research themes of the future.

The Committee for Academic Expenditure of the Leiden University Fund (LUF) awards grants for research and education projects. They have awarded Ekaterina Pannebakker a LUF grant on behalf of Leiden Law School.

In a project funded by the John Templeton Foundation to the group of Micha Drukker, scientists will produce stem cells from short and long living understudied species to model cellular and organismal lifespan.

The National Museum of Antiquities in Leiden features a small photo exhibition on Mark Driessen's fieldwork research project in Southern Jordan. In this small exhibition you will see a selection of nine photos, made in Udhruh. This ancient Jordanian settlement lies fifteen kilometres east of Petra,…

Over the past few months, students and staff from the Faculty of Humanities have produced many wonderful podcasts - perfect for listening during a long walk or while preparing the Christmas dinner.

I am thrilled to share the exciting news of being honored with the 2023 Early Career Award at the EUROTOX conference held in Ljubljana, Slovenia. This recognition, presented by ECETOC (European Centre for Ecotoxicology and Toxicology of Chemicals) and dedicated to the memory of Dr. Christa Hennes, holds…

Hastings College of the Law and Leiden Law School have a long-standing exchange programme. Each year, students participate in a student exchange programme. Likewise, professors from Hastings College of Law have been visiting Leiden Law School and vice versa.

Organisation

Economic law, environmental law and human rights are important fields of law for sustainable development. But they do not interact sufficiently, which makes it difficult to implement sustainable development.

The Covid-19 pandemic has challenged political leaders worldwide, bringing discussion about leadership in times of crisis. In various media outlets, a recurring topic has been the relationship between the gender of a country’s leader and the success of his or her Covid-19 approach. Especially female…

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

PhD student and research journalist Sebastiaan Grosscurt won a Tegel in May. In the data category, Grosscurt and his colleagues won the prestigious Dutch journalism award. 'For me, ecological research and journalism are two ways of achieving the same thing.'

After an extensive content analysis of the coalition agreement, a sharp fall can be seen in the focus on education & culture, science & technology and defence. This is the conclusion of university public administration professors Gerard Breeman and Arco Timmermans. They compared the content with all…

Fewer CO2 emissions, less airborne viral transmission, and a more sustainable form of food production: seven consortia of researchers and societal partners will put a budget of 32 million euros towards developing technological innovations. Important Leiden research on circular electronics by Prof. Dr.…

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

On August 30, the online platform Historical Maps of Southeast Asia was launched. The platform provides access to over 1,400 digitised maps of Southeast Asia from the collections of the National Library Board Singapore (307 maps), Beinecke Rare Book and Manuscript Library - Yale University (150 maps),…

Roel Wouters (24), a biology student at Leiden University, is a finalist in the election for UN youth delegate for Biodiversity and Food. The digital polls open for a week on Friday 22 October. Under-30s can vote for Roel at www.stemroel.nl.

The starting point of human-induced landscape changes has been under permanent debate. It is widely accepted that the emergence of agriculture strongly increased human impact on their environments. However, foragers can and do actively transform land cover and ecosystems. Ethnographic observations,…

To what extent can global issues be solved by multistakeholder collaboration, a relatively new type of organisation? Jan Aart Scholte, the coordinator of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme, has received a Dutch Research Council (NWO) grant…

The Greater Angkor Region in contemporary Cambodia was dramatically more urbanized in the 13th century than previously thought, and home to 700.000 to 900.000 people. These discoveries were made by a research team led by Sarah Klassen. Their findings are published in Science Advances.

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

Isaac McKean Scarborough has been working at the Institute for History as a lecturer since September 2021. Below he introduces himself!

From a new generation of antibiotics and more-effective vaccines to a map of dark matter and new light on Hindu traditions. Four researchers from Leiden University have received a prestigious €2.5m ERC Advanced Grant to develop their research.