Newts of which half of the offspring die before birth. Evolutionary biologist Ben Wielstra is investigating how this can exist in nature. In his research he collaborates with Naturalis Biodiversity Center.

Cutting down global emissions of greenhouse gases to combat global warming won’t do the trick alone: we also need negative-emissions technology that can capture carbon dioxide directly out of the air. In the prestigious journal Global Environmental Change, PhD candidate Oscar Rueda and colleagues shed…

Aisha Hassan came to the Netherlands when she was two months old. Her mother had fled Somalia and made a new home here. Aisha doesn't remember much about that time, but her mother’s stories about Somalia ignited a lifelong interest in developing countries. ‘Her stories have always fascinated me.’

Damien van Puyvelde has received funding (over 47.000 euro) from a new Research Council pilot for his study 'Open-source research and the war in Ukraine: intelligence for the people by the people?' We asked the researcher five questions about this project and the opportunities this creates for him.

Honduras recently severed diplomatic ties with Taiwan after 82 years. In doing so, the country is following the trend of other Central American countries that have turned their backs on the Asian island in recent years. Why are these countries making this choice now and what does it mean for Taiwan's…

In Dutch TV programme Early Birds, Marvin and Kevin Groen (26) showed viewers areas of nature in the city that often go unnoticed. These good-natured brothers - twins, in fact - were a big hit with the viewers. How much influence do they have on one another's studies and work?

Back in 2016, Genner Llanes-Ortiz joined the Faculty of Archaeology as an assistant professor in the Heritage of Indigenous Peoples research group. Genner works on the crossroads of anthropology, archaeology, heritage, and human rights. ‘I am investigating how contemporary indigenous peoples are re-connecting…

What if a major world event alters the trajectory of your research project? Tsolin Nalbantian was studying citizenship along the Turkish-Syrian border when the Syrian Civil War erupted and led to a global refugee crisis. While her research participants were forced to flee the region, she was forced…

How safe are the nanoparticles in transparent sunscreen, anti-odour socks and bacteria-resistant plasters? Although microbes are present on all organisms, the tools that estimate the safety of nanomaterials still hardly take them into account. Bregje Brinkmann explored the role of these microbes during…

When the corona epidemic broke out, Nuno Atalaia, a teacher of Portuguese, ‘democratised’ his lectures. He is one of the three nominees for the LUS Teaching Prize. What is it about this approach that appeals to students?

Elephant toothpaste, a trip among the stars or a lecture on mathematical juggling: on Sunday 8 October 2023, the Faculty of Science opened its doors for the third edition of the Leiden Science Family Day. A programme jam-packed with workshops, demonstrations, lectures and peeks behind the scenes for…

Biologist Marcel Schaaf is one of four science faculty members who achieved the Senior Teaching Qualification in Leiden last year. How was that and what drives him? ‘Students receive way too often feedback that they cannot put into practice.’

Many mosaic stones and potsherds have been excavated, and a Byzantine synagogue is revealing its history layer by layer. The excavations at Horvat Kur are a field school for a young generation of researchers.

Which young scientists are best at explaining their research in three minutes and can take part in the national finals? These questions were answered on 14 February in the Academy Building. Researchers Laura Steenbergen (cognitive neurosciences) and Christian Eistrup (astronomy) impressed the judges…

The sand on European beaches may look pristine, but in every kilogram of sand there are on average 250 microplastics: fragments smaller than 5mm. These results are part of a study from Leiden researchers with the help of beach-goers throughout Europe.

Maxine David is a lecturer in European Politics in the Institute for History and is a busy bee when it comes to teaching. When countries started locking down due to the corona virus, she was in the United States. After some difficulty getting a flight back to her home country, the United Kingdom, she…

Archaeologist Annelou van Gijn received an NWO Archeologie Telt grant to investigate domestic craft and subsistence activities of late Neolithic peoples in the coastal area of the Netherlands

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

The Leiden Hortus botanicus has received an inheritance of 5 million euros. This is a gift from the estate of Carla van Steijn, who was a loyal visitor to the Hortus during her lifetime. In accordance with her wishes, the gift will be used for new activities and to optimise accessibility for less-able-bodied…

Dutch researchers are joining forces to conduct research together with a series of societal partners to keep the biological clock healthy in our modern 24-hour society. The BioClock consortium will receive a research grant of no less than 9.7 million euros for this. It is one of the projects that receive…

Yousef Yousef (39), a successful entrepreneur in the water-quality industry, recently joined the Advisory Board at Leiden Law School. Read the interview about his career.

We continue to work from home as much as possible. How are the staff members of the Institute for History doing? Mike Schmidli shares his experience below.

Bringing together institutes and research groups, how do you do that? The Faculty of Science set up a joint research theme and financed three PhD positions. After four years, the profiling programme Endocannabinoids expires. ‘It really brought us together, and the collaborations remain.’

Fancy seeing how your job is done at a university abroad? Project Managers Christina Schlüpen and Jeannette de Wolf from the Leiden Institute of Chemistry did just that. They both spent a week shadowing a European colleague: one in Bologna and the other in Berlin. This was through the Una Europe alliance,…

The Leiden Institute of Chemistry (LIC) is to be joined by a further two talented young chemists. Bela Bode and Michele Pavanello have each won a Marie Curie subsidy. Bode will be studying electron transport in photosynthesis and Pavanello will be using computer models to study charge transport in large…

Hydropower plants need not be disastrous for fishermen and nature. For that, we need to place new dams more strategically, but also modify or even remove some existing ones. Valerio Barbarossa and Rafael Schmitt showed that with a computer model of the Asian Mekong basin.

How can you persuade researchers who are used to conducting research within clearly defined disciplines to adopt an interdisciplinary approach? Newly appointed distinguished professor Arnold Tukker explained.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

How can we supply the growing world population with sustainable energy? At Laurens College in Rotterdam, Prof. Marc Koper speaks with the students about the crucial role of chemistry in the energy transition. Guest classes like this are a good way for school students to learn about the academic world,…

On December 16, 2023, our respected and beloved former colleague prof.dr.ir. Bert Peletier passed away.

How can we ensure that we act climate-proof and climate-neutral? We asked climate and earth scientist and lecturer at the Climate Change course Joeri Reinders.

From a meaningless block of plastic to an advanced component that contributes to the energy transition. The technicians and scientists of our faculty think it out in detail and make it a reality. This special project shows that they need each other.

Dutch mosquitos are more resilient to saltwater than previously thought. Environmental scientist Sam Boerlijst discovered this during his PhD research at the Hortus botanicus. This knowledge is crucial for understanding how mosquito-borne disease transmission might change in the future.

How can initiatives aimed at environmental conservation and climate change mitigation in the eastern Himalayas proceed from the cultural expectations of its indigenous ethno-linguistic minorities? Enabled by an NWO Open L grant, the research project 'Futuring Heritage: Conservation, Community and Contestation…

Lecture

Lecture, LIAS Lunch Talk Series

Arts and culture

In the Humans of Humanities series, we will do a portrait of one of our researchers, staff members or students, every other week.

From the mid-19th century until the 1970’s, the Middle East witnessed the presence of various European missionaries who played a fundamental role in the birth and the development of humanitarianism. Since these Christian missionaries were well integrated in the local Middle Eastern societies via their…

The Hague Journal of Diplomacy regularly publishes book reviews of approx. 800-1000 words, upon invitation by our Book Reviews Editor. We are currently accepting reviews of the selected books below, as well as any other contribution within the field of diplomacy and global affairs.

Lecture

For every period, it is a challenge to unearth the details of political trafficking; yet the effort needs to include all relevant persons, groups, and institutions – not only those wielding formal responsibilities. We hope to reinvigorate this effort by inviting specialists to present their research…

Many students and members of staff at Leiden University are politically active. In the run up to the local elections on 21 March candidates in The Hague and Leiden explain why you should vote for them, and what they want to do if they are elected. In this article, the Leiden candidates.

Green Friday

Workshop

Space for open dialogue on historical slavery was created at the Keti Koti Table at Museum De Lakenhal, organised by Leiden University and the Municipality of Leiden. There, just metres away from 17th-century paintings, Leideners shared a ritual meal and spoke about the effects of slavery and our colonial…