Every Sunday you can help fish plastic and other floating garbage out of the Leiden canals. You can use your own canoe or loan one from Plastic Spotter and join the garbage-fishing fleet. Annetje Ottow, President of Leiden University, was one of the crew on Sunday 4 July.

With the search for new antibiotics becoming increasingly urgent, artificial intelligence offers valuable help. Smart software developed by Leiden PhD candidate Alexander Kloosterman searched genomes of bacteria and found clusters of DNA that code for proteins that have an antibiotic effect. ‘This new…

Work out more, eat healthier, have more time to yourself: we make resolutions every year, but they often don't make it past the end of January. To help you succeed this year, we have compiled a list with New Year's resolutions you can put into practice at the University!

Who knows more about environmental governance: a professor of natural resource governance or a local shaman in the remote uplands of Myanmar?

The Leiden municipality wants to make the city centre climate-proof and combat heat stress by greening it. But they want to do this in a way that does justice to the city’s heritage. Researcher Fenna IJtsma delves into historical greenery to offer inspiration.

How do you deal with bullying? How can you motivate young people? At the NeurolabNL symposium a multidisciplinary research team launched an interactive book for teachers and youth workers. This digital book offers the latest insights and plenty of useful tips and advice. Children’s Ombudsman Margrite…

The LUMC, Leiden University and The Hague University of Applied Sciences want to help health professionals support behaviour change in the population. Such change would help people live healthier lives and reduce their risk of disease. The Municipality of The Hague is supporting this educational project…

LUMC Curium and the Dutch National Youth Council (NJR) have been working on integrating young people’s lived experiences of mental health problems in medical research and training. The aim is to broaden doctors' and researchers’ perspectives and improve the care offered.

Because they could really have used it during their own time as students. For many alumni, that’s their reason for signing up for the mentors network at Leiden University. Around 2,200 alumni are ready and waiting to offer students help and answer questions about study, internships or careers. The Faculty…

What started as a call for help in a Facebook group turned into a permanent group of students from the Bachelor's in Russian Studies and the Master's in Russian and Eurasian Studies who regularly help the Ukrainian refugees. They act as the link between the refugees and aid workers at various reception…

All first-year bachelor’s students at Leiden will be assigned a student as a mentor and a lecturer as a tutor to help them find their way around their new city and degree programme. The tutor groups, with ten to fifteen students, will also give students the chance to get to know one another.

Master’s student of Linguistics Marten van der Meulen helped organise the Massive Open Online Course (MOOC) Miracles of Human Language, which ran from 30 March until 11 May 2015. What was it like for a student to organise an MOOC? And what did he learn from it?

The Institute for Philosophy has a new Academic Director: on 1 February, James McAllister was succeeded by Douglas Berger. We asked him about his plans.

Personality is genetic in zebrafish: risk-taking parents have risk-taking children. These are the findings of research by Christian Tudorache and his team published in BMC Neuroscience.

Leiden University, together with Utrecht University, the LUMC and 10 other Dutch universities and institutes, has been awarded a grant of more than €30 million in the NWO call Roadmap Large-scale Scientific Infrastructure (GWI).

It is theoretically possible that habitable planets exist around pulsars, rotating neutron stars. Such planets must have an enormous atmosphere that convert the deadly X-rays and high energy particles of the pulsar into heat. That is stated in a scientific paper by astronomers Alessandro Patruno and…

Niels Broekman did an internship at the Ministry of Agriculture, Nature and Food Quality, where he worked on, among other things, biodiversity advocacy. After his internship, he decided to go in a different direction: ‘An internship can be very enlightening in helping you figure out where your interests…

Studying as an asylum seeker without a residence permit. Every year, student initiative IncLUsion enables dozens of asylum seekers to take several courses at Leiden University. ‘Education has given me a lot of support.’

What happens if you are an academic forced to flee your home country and find yourself here in the Netherlands with practically nothing? The Hestia scheme offered by the Dutch Research Council (NWO) gives refugee scientists the opportunity to resume their academic career in the Netherlands. The scheme…

The European Physical Society has awarded the prestigieus Edison Volta Prize to Leiden physicist Michel Orrit. The prize is handed out every two years to an individual or a group of at most three scientists as an acknowledgment of an outstanding achievement in physics research.

When migrating from China to Siberia, a few intermediary food stops are not a luxury. For migratory birds, they are even crucial for their survival. However, climate change is altering the seasonal availability of food at these stops. Environmental scientist Yali Si has discovered that because of this,…

Practice and science show that secure residential youth care in the Netherlands should no longer be used as a catch-all solution. This is the conclusion of several professionals including Professor of Child Law Mariëlle Bruning in Dutch newspaper NRC.

Funded by a ZonMw grant, the LUMC and the Health Campus The Hague will be working with headache patients on research into the use of an electronic headache diary. This resource can help patients gain a better understanding of their migraine attacks and, together with the physician, produce the best…

Primary-school teachers who aren’t Muslim themselves but do have Muslim children in their class sometimes face dilemmas and cultural or religious differences. The ‘Islam in the Classroom’ course at the Leiden Islam Academy can help them resolve these. A new round begins on 9 September.

Clear information about support services, a well-being self-test and advice on finding a room. YounginLeiden.nl helps students and other young people get started, literally and figuratively. Why is this site so desperately needed?

Bioenergy with carbon capture and storage (BECCS) is a promising method for removing carbon dioxide (CO2) from the atmosphere and simultaneously generating energy. Yet this method is controversial, as it may require a great deal of land and water. Researchers at Leiden University have now proposed a…

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…

There is something strange about that new student Angela Ignatius. She is brilliant, helpful and always available. She summarises teaching materials, helps with assignments and is even willing to write your thesis for you. But to what extent do you let her? It’s the big question in this – sometimes…

All first-year bachelor’s students at Leiden University are assigned to a tutor group, with a student as mentor and a lecturer as tutor. This extra contact is essential during the corona pandemic. The first groups have now met up. We spoke to two mentors from Leiden Law School.

An e-coaching programme helps people with chronic kidney disease, particularly in areas that patients themselves want to work on. ‘A healthy lifestyle is important for patients with kidney disease: it can slow down the loss of kidney function and there will be fewer complications,’ Katja Cardol explains…

When parking in reverse, your car skids off just a little, hitting the wall of the parking garage. On the car dashboard, a warning light immediately starts blinking. This technique from new cars can also be used for another purpose, namely in the treatment of Parkinson's disease patients.

And there you are. A couple of suitcases with you, in a new (unknown) country. You've arranged a room in advance. You know which university you're attending. But other than that ... Evert-Jan, master's student in Encyclopaedia and Philosophy of Law, studied at the Université Paris Panthéon-Assas in…

During the HALON hacking competition, 28 teams had one goal: to find as many vulnerabilities as possible in the systems of Dutch higher education institutions. Research software engineer Chris Handy participated on his own and ended up in second place in the category ‘Vulnerabilities found at the highest…

The jury of the Africa Thesis Award is delighted to announce that the 2025 prize has been awarded to Yonwaba Matshobotiyana of the University of the Free State, South Africa, with a thesis on Black women's poetry in South Africa.

Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…

The ability to collect and interpret huge quantities of data has become indispensable to society and academia. Leiden University is a knowledge and expertise centre for data science that places the emphasis on interdisciplinary collaboration and innovation.

Could ketogenic therapy change the future of autism spectrum disorder (ASD) treatment? Bret Scher sits down with Eline Dekeyster to explore how nutritional ketosis may support individuals with autism and other brain-based conditions.

In the new video series 'The World of Linguistics', alumni and researchers talk about their passion for their field. PhD candidate Meike de Boer knows everything about the word ‘uh’.

If three or more objects move around each other, history cannot be reversed. That is the conclusion of an international team of researchers based on computer simulations of three black holes orbiting each other. The researchers, led by the Dutch astronomer Tjarda Boekholt, publish their findings in…

The gas prices now exceed 300 euros per megawatt hour – a record. The transition from fossil (natural gas, coal, oil) to renewable energy is needed and soon. But how do you get a society (and its citizens) to switch to sustainable energy?

A Preventive Intervention Team that investigates children with behavioural problems and trains their social skills in order to prevent school dropout and other, more serious problems. This is a strategy that Leiden University and the municipality of Amsterdam have been using for several years already,…

Work might not always be enjoyable, but what if just a glance at the to-do list brings on a sense of dread? To initiate the conversation about this, the sixth Psychology Connected focused on work pressure and workplace enjoyment, offering tips rooted in positive psychology.

Koen Keijzer combined three mathematical models into one unified system capable of making meaningful predictions about how cells form blood vessels. This helps biologists studying the chaotic, leaky blood vessels found in and around tumours.

Older people are often approached from the perspective of their limitations when there is often much they still can and want to do. According to Professor Tineke Abma, art is a good way to continue to participate.

Interdisciplinarity is more than a buzzword in academia. It’s essential for tackling today’s biggest challenges. But what does it look like in practice? How can PhDs learn the skills needed to work across disciplines, and how can supervisors master the art of guiding them?

At the beginning of the corona pandemic, our Faculty appointed student mentors to guide first-year and international students. What drives these mentors, and what is it like to be back at the Faculty again? Mireia and Marten tell us all about it.

A psychology degree, a career that started in the commercial sector and now a role where she feels she can make a difference. For alumnus Marisse van Os (34) everything has come together in her current job at an innovative mental health services provider.

Chemotherapy, but without hair loss or extreme fatigue. It may be possible if the toxic drug only becomes active where it is ‘switched on’ by light. Matthijs Hakkennes has helped bring that idea closer to reality and obtained his PhD cum laude. ‘I received many thank-you emails from China and Bangla…

Anthropologist Rodrigo Ochigame studies how AI is changing the practice of scientific research. From astrophysics to mathematics to climate science, they find that the adoption of new AI models is raising questions about what counts as reliable scientific evidence.