Bacteria carry countless hidden treasures in their DNA: fragments that could hold the key to new medicines. But how do you pick out the most promising ones from millions of options? ‘Look at the switches that turn genes on and off,’ says molecular biologist Gilles van Wezel.

Incoming exchange Erasmus forms, transcripts, grades and credits

A minor allows you to develop your knowledge beyond the boundaries of your study programme, or to specialise further in your own field of study. You can follow a minor in Leiden and also in Delft or Rotterdam.

Education, Organisation

Many students who graduated during the pandemic were unable to celebrate their graduation in style. To make up for this, they were given the chance to sign their name in the Sweat Room on Friday 26 May.

As a result of the current corona measures, attendance at the Opening of the Academic Year on 6 September will be restricted to a maximum of 75 persons. The ceremony can, however, be viewed online by taking part in a video wall.

Around 1:00 p.m., a group of more than one hundred pro-Palestinian protesters gathered at the The Hague campus. Participants chanted slogans and put up banners. The vast majority of those taking part left the building after a short time. However, a small group refused to leave. Follow updates in this…

Organisation

Facility

The COVID Radar app is citizen science at its best. More than 200,000 users in the Netherlands are answering questions about their health and behaviour to help predict the development of the pandemic. Niels Chavannes, Professor of General Practice at Leiden University Medical Center, explains how the…

Stack two layers of graphene, twisted at slightly different angles to each other, and the material spontaneously becomes a superconductor. Science still can't explain how something so magical can happen, but physicists use special equipment to reveal what is taking place under the surface.

Annetje Ottow is the first female president of the Executive Board of Leiden University, which means a return to her Alma mater.

Ever since the first edition of the Science Run, the Leiden Student Running Association Currimus has delivered the winning team or the fastest runner. Now the event is back, the new batch of students must uphold the honour. The board is also forming a team: ‘During the upcoming training session, we…

Marco van Eijk is the new Educational Director of the Bachelor's Life Science and Technology (LST). Since 1 September he has been responsible for ensuring the quality of the programme. ‘LST is a unique programme and everyone has to keep working hard for that. That is my main task.’

They confounded expectations and went to university anyway – as a woman of colour, a working-class student or refugee... Throughout the centuries the university has always welcomed pioneers. Students for whom going to university was not the obvious choice and who did not grow up in an academic environment.…

‘A challenging rollercoaster, but also a very bonding and insightful experience,’ that’s how the team of iGEM Leiden 2022 wraps up their participation in the iGEM contest. The contest for synthetic biology climaxed during the Grand Jamboree in Paris. The team ended up in the top 10 of over 360 teams…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.

Smiling faces, a mass dance and a bit of awkwardness: after two ‘corona editions’ of EL CID, the Leiden introduction week is back with a vengeance this year. A total of 3,412 first-year students from Leiden University and University of Applied Sciences Leiden, accompanied by 486 mentors, started EL…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Leiden University’s digital study environment is being expanded to include the Leiden student portal: a single place where as a student you can find all the information you need to organise your studies.

The new Students for Leiden party pulled off a stunning victory in the municipal elections. From nowhere, the party won two seats on Leiden Municipal Council. How are brand-new student councillors Mitchell Wiegand Bruss and Elianne Wijnands doing? ‘We’ve already asked questions about the quality of…

We all know smoking is bad for our health. But we might not have known that the cigarette filters that litter our streets also impact the environment. Esther Kentin is a lecturer at Leiden Law School. She is raising awareness of the University’s cigarette butt problem.

The Caring Universities consortium conducts a survey every year on the state of students’ mental health. Following previous surveys in 2020 and 2021, a new study was carried out in November 2022. This latest survey shows that many students still suffer from mental health problems.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…

Nikie Veld is an education coordinator at Biology. Her job now mainly revolves around getting students back to the Faculty. ‘In the corona era, we were constantly rearranging the timetables.’

Quantum Rules lab van Leiden Universiteit biedt proefjes en experimenten voor middelbare scholieren om te leren over kwantum natuurkunde. Henk Buisman vertelt over het 5 jarige jubileum.

Gijs van der Velden has one of the best study results in his first college year of all science studies. With that, he won the Young Talent Incentive award and received 500 euros of the Koninklijke Hollandse Maatschappij der Wetenschappen (KHMW). The biology student remains quite nonchalantly. ‘Of course,…

Pesticides can form a toxic cocktail when they occur in combination in surface water. This is the finding of research that Leiden University and the Dutch National Institute for Public Health and the Environment (RIVM) presented on Monday 14 October. The Dutch Ministry of Infrastructure and Water Management…

Vedran Dunjko appointed to full professor of quantum computing at Leiden University, the Netherlands.

Since September, Jelle Oonk has been the chair of the Science Faculty Council. Jelle is a third-year student, combining Physics and Astronomy studies with this responsible role. Time to get to know him better. Five questions for the new chair.

Optimised antibiotic combinations can combat bacteria more effectively while also slowing the development of resistance. Scientists from five European countries are joining forces to identify such combinations and provide tools for others to do the same. The project is led by Professor Coen van Hasselt…

Every year on or around International Women’s Day on 8 March, Leiden University holds its Annie Romein-Verschoor Lecture. This year’s lecture will be given by Sylvana Simons, MP and leader and parliamentary chair of the BIJ1 party. What does International Women’s Day mean to her and which challenges…

How to combine being a mom and a career-oriented researcher? As member of the RISE junior board, postdoc Monica Varela wants to set an example. ‘It’s not always easy, but I want to show young scientists that you can continue your career when having a child.'

PhD candidate Karen van den Akker has written a children’s book to get young girls excited about technology. The picture book ‘Met mama naar Mars’ tells the story of Luna, who wants to travel to Mars.

How many decimal places of π (pi) do you know by heart? That was the question during a special competition on pi day last week in the central hall of the Gorlaeus. The winner of the competition managed to recite 169 digits after the comma. Jonathan Love reveals his secret.

With the appointment of Dennis Janssen as operational director at the end of last year, the management team at the Observatory is now complete. Janssen has been working at the university for over twenty years, but the faculty and the Observatory are new to him.

Can a robot help prepare cancer medication in a hospital pharmacy? That’s what hospital pharmacist Tjerk Geersing investigated in his PhD research. He compared manual and automated preparations in terms of quality, efficiency, and safety. He graduated on 19 March.

It was already the most cited publication ever written at our faculty, but now a new milestone has been reached. Last month, a paper by emeritus professor Jan Reedijk and his co-authors surpassed 10,000 citations — and the count keeps rising.

Biological chemist Nathaniel Martin and his team received an NWO grant to examine how blocking a specific enzyme in our body, NNMT, could be helpful in the treatment of some cancers. Trials with mice have been promising, and together with the Netherlands Cancer Institute, Martin wants to take the next…

Leiden researcher Anne-Grete Märtson brought together a large number of studies to better understand antibiotic dosing in patients with obesity. The publication in a renowned medical journal has already garnered much positive reactions, Märtson says. ‘It’s high time researchers started sharing more…

Technology and privacy, trust and mistrust. A discussion about this broke out when the University installed scanners and students protested. On Wednesday 2 February experts from Leiden University will explore this topic at the eponymous symposium. We called Roy de Kleijn, as a computer scientist and…

For four years, Vicky Beckers examined thin slices of wood under a microscope, mapping the anatomy of two plant families. Her research helps identify different wood species, benefiting both the timber trade and archaeology.

Martijn Verkuilen is the winner of the Unilever Research Prize 2022. By transferring DNA from a plant into yeast, he made the first move to produce a new drug for type 2 diabetes. He collected his prize in Wageningen on 24 November.

On Wednesday 27 September we will be holding a debate for students and staff on our links with the fossil fuel industry in relation to the topic of sustainability. All students and staff of the university are cordially invited. If you’re still not sure about whether to attend, these four questions and…

Facility

ICT