On 3 November 2022, Mariëlle Bruning, Professor of Children and the Law, spoke as an expert on child protection at a roundtable discussion with Dutch Lower House members of the Standing Committee on Justice and Security.

How to strengthen mutual trust between agencies in the criminal justice system and youth with a migration background or weaker socio-economic position. The Netherlands Science Agenda has awarded 1.5 million euros to a consortium to find out.

Share experiences, gain inspiration or catch up with colleagues: you can do all of these at the Teaching Fair on 30 June. Co-organiser Anna Benjamins explains what the afternoon has in store.

‘I was very happy and honoured that my thesis was recognised as a valuable contribution to the topic of landscape archaeology.’

On 11 November Professor of Gastroenterology and Hepatology, Monique van Leerdam will deliver her inaugural lecture entitled, ‘Aiming for Prevention’. Van Leerdam, who specialises in hereditary tumours, was appointed professor in July 2020. In her inaugural lecture she will discuss the importance of…

To look for atmospheres around planets outside our solar system is to look for extraterrestrial life. Astronomist Sebastian Zieba used data from the James Webb Space Telescope to study small rocky exoplanets but found no aliens yet. However, his findings are still very interesting for future observations.…

Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…

Innovation through repetition. That is how university lecturer Jurriaan Witteman describes his research on the automatic processing of angry voices in the brain. The original research was conducted 20 years ago, but, with an NWO grant, Witteman is now going to see if those results are accurate.

A team of students from Leiden won the iGEM international biology contest in 2020 with their Rapidemic mobile testing kit. The kit makes it easy to detect viruses. The team has now been nominated for the Most Innovative Student in the Netherlands prize. Cast your vote and help them develop their inv…

Professor of rheumatology Annette van der Helm focuses her research on the earliest possible detection of inflammatory joint rheumatism to prevent symptoms from becoming chronic.

How do you count the nanoplastics in your body? Leiden researchers published a method in Nature Protocols today that should make this easier. Important for both environmental and medicine research.

Learn how silence can benefit your well-being during Work Stress Week from 11 to 15 November. It’s no surprise that we sometimes need a bit of peace and quiet, says Professor of Auditory Culture Marcel Cobussen. ‘Our brain is exposed day and night to auditory stimuli.’

As of 16 August Ignas Snellen is the new Scientific Director of the astronomical institute of the Faculty of Science. He will succeed Huub Rottgering, who led the institute since 2012. Snellen has been appointed for a period of four years.

Leiden University recently named a new building for Egyptologist Herta Mohr. But who was she?

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

In the ‘Imaginary’ exhibition, its curators show how society is made up of mathematics. From algorithms that save lives to ones that generate art. The exhibition is from 2 June to 25 July at Oude UB in Leiden.

Dutch and Flemish partners, including Leiden University, are joining forces as the European Digital Media Observatory (EDMO) in the fight against the spread of fake news, and have received the support of the European Commission.

Three Dutch-Belgian telescopes have started operating at the ESO La Silla Observatory in Chile. This so-called BlackGEM array will scan the southern sky to hunt for cosmic events that produce gravitational waves, such as mergers of neutron stars and black holes. Leiden astronomer Rudolf le Poole is…

Workshop brings multidisciplinary experts together to produce interdisciplinary outcomes on the EU’s Proposal for a Regulation to prevent and combat child sexual abuse.

If an echo (or ultrasound) shows that a foetus has a heart or other defect, parents face difficult decisions. Then an idea of their child’s shorter and longer-term future is literally a matter of life and death. Haak will argue in her inaugural lecture that the cohort studies of rare diseases that are…

Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers, led by the Leiden astronomer Anthony Brown, describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.

The night side of exoplanet WASP-43b, to the surprise of astronomers, does not appear to contain methane. It is likely that extreme winds do not allow enough time for methane to form in detectable amounts. This is the conclusion of an international team of scientists, with Leiden and Amsterdam contributions,…

Using an innovative method, psychologist Loes Janssen and colleagues measure how long and how often parent and child are close in daily life, and how they experience that togetherness. The researchers combine ‘Bluetooth low energy beacons’ with the smartphone app Ethica to track participants' physical…

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…

Physicist Milan Allan will build an instrument that will bring superconductivity research further. He has been awarded an ERC Consolidator Grant of 2 million euros over the next five years. With his PairNoise programme he aims to detect paired electrons as they occur just above the temperature at which…

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…

In the course of 2020 the Faculty of Archaeology was bolstered by some new staff members. Due to the coronavirus situation, sadly, this went for a large part unnoticed. In a series of interviews we are catching up, giving the floor to our new colleagues. We kick off with Dr Tuna Kalayci, who joined…

Individuals suffering from social anxiety disorder (SAD) consistently avoid eye contact. However, in a non-clinical population, gaze avoidance in socially anxious individuals depends on social situations, Jiemiao Chen saw in a series of experiments, for which she used wearable eye-trackers. On 25 April…

PhD candidate Wouter Verschoof-van der Vaart has received the Stichting Elise Mathilde Fonds grant from the Leids Universiteits Fonds (LUF) to work on a research project focusing on the landscapes of the Second World War. ‘We will combine citizen science with deep learning to uncover traces of the c…

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

No less than 33 project received a Leiden Kiem grant in 2023. How did they fare? Olga Bogolyubova shares experiences from her project ‘Interdisciplinary Approaches to the Study of Safety and Danger in the Digital World’.

An international team of astronomers, including astronomers from Leiden University, has found the missing link in the path taken by water through star-forming clouds and young stars to comets and planets. They did so with the help of the ALMA observatory in Chile. The researchers published their findings…

In January, Dr Karsten Lambers was appointed as Professor of Digital and Computational Archaeology at Leiden University's Faculty of Archaeology. With his extensive background in both archaeological research and computational sciences, the installation of Professor Lambers further strengthens this discipline…

Not only does she excel at her research, she is also active in outreach and started a collaboration outside her own field during her PhD. Yevheniia Cheipesh has been awarded the first prize in the For Women in Science Rising Talent Prize by L’Oreal, UNESCO and the Royal Holland Society of Sciences and…

Shell Nigeria is liable for damages from oil spills in Nigeria. The Hague Court of Appeals gave this ruling in a case that was brought by four Nigerian farmers.

No, the Netherlands is not a tax haven, the new State Secretary for Tax Affairs Marnix van Rij said shortly after his introductory meeting with Dutch Prime Minister Rutte. Yet there are numerous reports that describe the Netherlands' role as a tax haven.

As of April 2022, Mark de Rooij has been appointed SAILS Professor AI and Data Theory at the Institute of Psychology. This position will enable him to contribute to the goal of the interdisciplinary programme: to build on and expand the current expertise on AI within Leiden University, working from…

The company QuantActions promises that through capturing and analysing the data of smartphones it will be able to “detect important indicators related to mental/neurological health”. Neuroscientist Arko Ghosh is the company’s cofounder and talks in The Guardian about tappigraphy patterns.

The latest generation of artificial intelligence (AI) can use natural language to answer complex questions and tasks. OpenAI launched the ChatGPT chatbot in late 2022. This has caused a stir in the world of education and is a cause of concern for many. What could AI in general and ChatGPT in particular…

You have chosen to do a PhD at Leiden University. The 2021 PhD Regulations, which were established by the Doctoral Board, specify what you must do to earn a PhD. Here you will find out more about the procedures relating to submitting and defending your dissertation and which forms you will require.

Cancer immunotherapy represents a significant breakthrough in cancer treatment. However, tumors have numerous mechanisms by which they evade destruction by the immune system. It is therefore necessary to decipher and reverse these mechanisms in order to improve immunotherapies.

Oostenrijk wil online bedreigingen en haat harder aanpakken. Aanleiding is de dood van huisarts Lisa-Maria Kellermayr. Zij maakte eind juli een einde aan haar leven, nadat ze maandenlang werd bedreigd door mensen die tegen coronamaatregelen en vaccinaties zijn.

Stress and overwork are massive problems today, but relatively little is known about stress factors in the past. With a look at the deep history of stress, Sarah Schrader hopes to get a better understanding of the human stress experience. Her project application received an NWO XS grant.

Young children are not just cheeky monkeys — it turns out they actually laugh like chimpanzees, too. 'That’s because both babies and chimps chuckle while inhaling and exhaling, unlike adult humans who laugh mainly during exhalation', says cognitive psychologist Mariska Kret on Techregister.

Plants not only sense when they are touched, but they can also adapt to it. For example, by strengthening or defending themselves. But how do plants do this? The Green TE (Green Tissue Engineering) consortium has been granted a Gravitation grant of almost 23 million euros to investigate exactly this…

Sabine de Winter

The number of insect species is plummeting, which is why the University is creating a more biodiverse environment around its buildings. Annetje Ottow, President of the Executive Board, planted the first bee-friendly plants in the front garden of Oude UB on 20 September.

As part of her Anthropology studies, Leiden student Marleen Kop has made a short documentary about the importance of Leiden-Noord’s ‘soup time’. Her chosen method was participative observation – she spent months helping residents prepare the soup – and the film can now be viewed online.

How unique is the human capacity for learning and adapting to an environment? In field research – in the rainforest and Artis Zoo – primatologist Karline Janmaat is studying how humans and other primates adapt to their environment in their search for food. She will give her inaugural lecture as Professor…

Sustainability researchers can play an important role in the energy transition. But what if their partners are not (yet) sustainable and science itself has adverse effects? This is the subject of an online talk by researcher Thomas Franssen on 16 December with a discussion afterwards. ‘Clean energy…