One of the largest roofs at Leiden University, that of the Snellius building, has recently been equipped with 590 solar panels and 57,000 sedum plants, making it the largest combined roof in the Benelux. The roof was officially opened on Monday 10 October by Annetje Ottow and Martijn Ridderbos, President…

Paco Barona Gomez is the newest associate professor at the Institute of Biology Leiden (IBL). The Mexican researcher is fascinated by the evolution of natural products: compounds made by microbes, but also plants and animals. ‘It’s like we investigate chemical dark matter.’

When you think of migration, you probably won’t immediately think of dating apps. Yet such apps are important to many migrants, such as those who identify as lesbian, gay, bi, trans, queer or questioning (LGBT+). Researcher Andrew DJ Shield studied the role that dating apps play in the migration process,…

However tempting it may be to lock yourself in your room or in favourite library nook in the days running up to an important exam, it's not a very wise choice, stresses neuroscientist Judith Schomaker.

What looked like an ordinary coot’s nest turned out to be a five-star location with a remarkable backstory. Beneath a jetty on the Rokin in Amsterdam, biologist Auke-Florian Hiemstra discovered a true time capsule — complete with face masks from the COVID era and a Mars wrapper dating back to the 1994…

Indira Huliselan recently joined the Institute for History as a PhD candidate within the research project 'Roman Fake News? Documentary Fictions in the Roman Empire'. Below, she introduces herself.

Two statues of gorillas abducting women: they were what led PhD candidate Dick van Broekhuizen to write a new type of history of nineteenth-century sculpture. ‘If you view nineteenth-century art history from a less narrow perspective, the narrative changes completely.’ PhD ceremony on 21 June.

Leiden physicists Alexandre Morin and Samadarshi Maity study self-organisation and flocking phenomena. They shed light on flocking, which helps to understand how it is possible that birds in a flock don't collide. With plastic microbeads, they create an experimental setup and they developed a mathematical…

In zoos, at festivals and in a mobile lab at the market: everywhere, Mariska Kret tries to understand human and animal emotions with her distinctive behavioural research. Now she has received the Mercator Sapiens Stimulus of €1 million for her efforts.

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.

Een orang-oetan lacht niet gauw hard om een video waarin een soortgenoot dat ook doet. Een peuter doet het meer dan een volwassene, een Japanner weer iets minder. Chris Riddell leerde uit zijn vele experimenten ook dat geduld loont. Hij promoveert 16 september.

For the following years, Dr Aitor Burguet-Coca will be a returning face at the Faculty of Archaeology. He will join Dr Amanda Henry’s team with his expertise on prehistoric fire use and the methodologies that studying ancient hearths requires.

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

Thanks to a clever research method, progress is being made in the quest for better tuberculosis medications. Within an American consortium that received a 30 million dollars grant, Leiden researcher Rob van Wijk plays a significant role. ‘The next breakthrough in tuberculosis research will come much…

According to a new study, for half of the world population the answer would be yes. For the other half: maybe? Leiden environmental researcher and head author Nicolas Navarre explains: ‘With improvements to crop yields, reductions in food waste, and changes in consumption patterns, 90% of people could…

Even as a teenager Asa Splinter was determined to study Japanese in Leiden. A HAVO diploma and a change in legislation threatened to throw a spanner in the works, but Asa persevered. After ten years of studying, Asa obtained a master’s degree in Japanese and was nominated for the IHLIA thesis award…

Horses were first domesticated in South-West Russia, is the conclusion drawn by an international team of researchers writing in the well-respected journal Nature. Their conclusion resolves a longstanding archaeological question. But, surprisingly enough, this domestication did not contribute to the…

Psychologist Ellen de Bruijn studies the effects of hormonal fluctuations on behaviour and on the brain over a woman's life course. With an ERC Consolidator grant, she and 3 PhDs and a postdoc will further her EEG research on the different stages at which girls and women experience strong hormonal f…

Pichayapat Naisupap recently joined the Institute for History as PhD candidate. Below, he introduces himself.

Martina Vijver has been nominated as Teacher of the Year of the Faculty of Science. She gets this nomination for the course Ecotoxicology she taught in 2022. The 52 students who took the course were hugely enthusiastic, as can be read in their positive reviews. What is so great about this course then?…

The past few days we interviewed several of our researchers about their various studies during Dutch Bio Science Week. They answered questions such as what impact their research has on our future and with whom they have established valuable collaborations.

Mariska Kret, Professor in Cognitive psychology has been awarded the European Research Council (ERC) Public Engagement with Research Awards 2022. Kret convinces the jury with 'RecognizeYourself - Bringing science to the zoo. Involving the public into the study of great apes emotions'.

The art committee of Leiden Law School has extended the exhibition of the sculptures by the Leiden artist Koen de Vries in the C-wing of the KOG building until January 2023. On Thursday 8 December, the finissage of the exhibition will take place in the C-wing at 16.45 hours with drinks and light sna…

Are you worried about your smartphone addiction? Trust us, it could have been far worse… A shocking discovery, by an interdisciplinary team of specialists from Leiden University, revealed that Neolithic people were heavily addicted to stone axes. The axes were produced under horrific circumstances in…

Alex West’s dissertation, "Bujangga Manik or, Java in the Fifteenth Century: An Edition and Study of Oxford, Bodleian Library, MS jav. b. 3. (R)" (Leiden, 2021), has been selected for one of the five prestigious Praemium Erasmianum Dissertation Awards 2022.

Paul Gobée (LUMC), Kirsty Rolfe (Humanities) and Frank Takes (Science) have been nominated for the Leiden Teaching Prize 2023.

What a result! The Higher Education BioBlitz recorded 3,155 species, smashing our target of 2,500. Thanks to your efforts, Leiden University made an impressive eight ‘very rare’ finds. A result that gives hope for our biodiversity.

On Sunday 8 October 2023, during the Weekend van de Wetenschap, the Faculty of Science of Leiden University will open its doors to anyone curious about science from 11.00 to 16.00 hrs! Explore a world of wonder and discovery; where science is transformed into an unforgettable adventure. Intriguing…

Biotechnological developments are moving fast. From genetically modified plant varieties we are now moving to cultured meat. These developments require moral interpretation - and they get it in the form of art. Lotte Pet wrote a dissertation about it.

The Dutch Research Council (NWO) has awarded a €4.84 million NWO Large grant to set up a new state-of-the-art laboratory for isotope geochemistry. The new lab, the “Netherlands Isotope GEochemistry Laboratory” (NIGEL), will be built in the brand new VU Research Building at the Vrije Universiteit Amsterdam.…

Four promising young researchers will be able to conduct two years of research at a university abroad thanks to a Rubicon grant from the Dutch Research Council (NWO). The Leiden laureates are Renske Janssen, Girija Josh, Anne van der Meij and Yana van der Weegen.

Small, remote islands were long thought to have been the last frontiers of pristine natural systems. Humans are not thought to have been able to reach or inhabit these environments prior to the dawn of agriculture, and the technological shift that accompanied this transition. A paper recently published…

What causes depression in a child and how can they get over it? Leiden Professor of Psychology Bernet Elzinga and behavioural scientist Carine Kielstra recently hosted a webinar on the subject of depression in teenagers. The level of interest was overwhelming.

Hit the brakes! That’s the advice of the Council for Public Health and Society in a recent report. Eight psychologists share their insights on how to slow down and reconnect.

All persons making use of Leiden University buildings and grounds must comply with the general University house rules. These are listed in the Regulations on the Use of University Buildings, Grounds and Other Facilities, and are intended to guarantee order and safety for guests and staff alike.

All persons making use of Leiden University buildings and grounds must comply with the general University house rules. These are listed in the Regulations on the Use of University Buildings, Grounds and Other Facilities, and are intended to guarantee order and safety for guests and staff alike.

There are many tributaries to Rosalin Kuiper’s story and they all lead to the sea. The 28-year-old sailor was one of the five-person Team Malizia in the world’s most prestigious sailing competition: the Ocean Race.

Alumnus Jelte Liemburg, aged 29, aims to visit every single one of the 500 museums in the Netherlands that take part in the national museum pass scheme.

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

Challenge yourself, broaden your horizon and meet people from different background. Curious if the Honours College is right for you? Rebecca and Pepijn from the track 'Bèta and Life Science' share their doubts, experiences, and what they find so appealing about the programme. Rebecca: ‘I enjoyed one…

PhD defence

Why did fewer women suffer from osteoporosis in the past than today? And which aspects of a city make public spaces safe, accessible and comfortable for all residents? These two research questions will be explored in more detail thanks to an Impulse Grant from the Leiden University Fund.

Leiden University and African Child Policy Forum hold ‘ground-breaking’ workshop on antimicrobial resistance (AMR) and human rights in Africa

How do you detect people at high risk of heart attacks and strokes? And how can we improve the treatment of atherosclerosis? These are the questions that keep LACDR researcher Marie Depuydt busy. She is investigating the immune cells that contribute to the worsening of atherosclerosis. ‘It's a challenging…

The University of Oslo and Leiden University have joined forces to organise a Tutorial on Robots and Society: Ethical, Legal, and Technical Perspectives on Integrating Robots in the Home and Healthcare Systems and Services at the IEEE International Conference on Robot and Human Interactive Communica…

Nanomaterials can pass much further along the food chain than was previously thought. The particles can change shape and size in each organism, enabling them to pass on to the next one in the chain. Researchers from the Institute of Environmental Sciences discovered this accidentally when using a novel…

I think we should go this way. This way! THIS! WAY!! Making yourself heard in a city can be difficult. That is not only the case for humans, but birds seem to be hindered by urban noise as well. Researcher Hans Slabbekoorn of Leiden University already showed that great tits in Leiden communicate differently…