On 28 September the famous chemists Carolyn Bertozzi visited Leiden University to speak at the LED3 seminar. Just one week later, she was announced winner the 2022 Nobel Prize in Chemistry. Leiden chemists Sebastian Pomplun and Hermen Overkleeft are fan: ‘We are extremely honoured to have hosted this…

That was the question physics and mathematics bachelor’s student Daan de Bos set out to explore during his thesis research. Applying machine learning theories to materials presented several challenges, but his efforts led to a working theory that can now be tested on real materials in laboratories.

Reserve a seat, pack a nice lunch and leave a little extra time if you need to change trains. These tips come from colleagues who recently travelled by train for work. They found it a comfortable, productive and greener way to travel. ‘Just give it a try, to me it’s not very different from working from…

A passion for video games, visuals and science: it almost seems impossible to bring all of this together. Yet, scientific animator Vera Williams found that dream combination at NeCEN's microscopy lab. 'An image or animation can help clarify the content of complex research.'

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…

If European countries rely solely on technological advances, they won't be able to limit global heating to 1.5 degrees. Households will also need to change their lifestyles. This 'inconvenient truth' is the result of calculations done by industrial ecologist Stephanie Cap. ‘It's not a popular message,…

On Monday 28 March a ‘pen test’ will be carried out to check the security of the classroom scanners. These people counters in University buildings were temporarily switched off in December after there was growing disquiet about privacy aspects of the devices. The pen test will be carried out in the…

Fifteen passionate lecturers from Leiden University were awarded the Senior Teaching Qualification (SKO) on Thursday 27 January. One of them is Frank Takes, as of 1 February Associate Professor of Computer Science. For him the SKO was a good opportunity to reflect on how he teaches.

What started as an idea during a social gathering led to an unexpected breakthrough in research on resistant bacteria. Biologists and chemists from Leiden developed a new substance that proves to be effective against bacteria resistant to antibiotics. They published their discovery in Nature Chemist…

The new Humanities Hub in the Huizinga Building was officially opened on Tuesday 3 December. In the different labs, researchers presented the options for using digital technologies in humanities research.

From 1 November we will have a new mobility policy and will track our commuting with an app. The new regulation is more sustainable and will also save us time and effort, say the union reps from the Local Consultative Body.

A new academic year also means a (partly) new Faculty Council. What are the priorities for this year? We spoke with Chair Véronique Roos and Vice-Chair Lars Jeuken. ‘Anyone can come to us – we’re here to help.’

From once controversial scientific works and historical bibles, to personal shopping lists and clothing bills. The 17th-century Bibliotheca Thysiana and the archive of the collector Johannes Thysius exhibit both the intellectual and everyday life as it was three hundred years ago. Now a brand-new digital…

Researchers from Leiden University analysed almost 30 years of communication on astrobiology. News articles proved most speculative, especially via quotes from scientists. Especially exoplanet research is often accompanied by high expectations about extraterrestrial life, they write in PLOS One.

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

Would you like to organise a session during the biggest multidisciplinary event in Europe - the EuroScience Open Forum (ESOF) conference - to be held in Leiden from 13 to 16 July 2022? If so, send us your proposal! Archaeologist Corinne Hofman is one of the driving forces behind the conference and…

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

Aram Segaar, Corporate Information Security Officer in the Information Management Department, works every day with his team to create and maintain a secure working environment at Leiden University. October is ‘Cybersecurity Month’. Aram explains how the university stays safe and the conscious (and unconscious)…

A knowledge-sharing session was held on Thursday 25 March for members of boards of examiners. Good reason to give one of them a call. We spoke to Jan Jansen, Chair of the Board of Examiners for Cultural Anthropology and Development Sociology (Faculty of Social and Behavioural Sciences) and an external…

Human cells are protecting their proteins from unfolding and aggregating. That's what biophysicist Alireza Mashaghi and his team discovered after seven years of in-depth research into the folding mechanisms of proteins. With an unprecedented approach, the team was able to study the folding of a single…

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

It’s Saturday and electric minibuses ride back and forth bringing prospective students to Leiden University’s various faculties. They want to see for themselves whether that interesting-looking programme will suit them.

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

Quantum technology, statistics and a survey with memes: definitely not your everyday research. Julia Cramer (Leiden Institute of Physics) and Sanne Willems (Institute of Psychology) investigate how people perceive quantum.

Leiden researchers have developed a groundbreaking model to advance cancer immunotherapy. Using a 3D printer, they create mini-tumors within an environment that closely mimics human tissue. They have also developed a method to monitor real-time interactions of these mini-tumours with immune cells during…

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

Using biomethane to produce ammonia, a crucial chemical in agriculture, could drastically reduce the climate impact of the process. In a study published in One Earth, researcher Robert Istrate shows it’s even possible to make ammonia production net-zero or carbon negative.

Western civil servants openly struggle with their government’s policies on the war in Gaza. During a meeting at Campus The Hague, three former civil servants told their stories.

In addition to cholesterol and high blood pressure as risk factors for atherosclerosis, we may need to address our own immune system to prevent a heart attack or stroke. Marie Depuydt revealed which cells exactly reside in the atherosclerotic plaque that narrows an artery. The presence of a diverse…

How do you really measure how a country is doing? Researcher Annegeke Jansen is looking for alternatives to gross domestic product (GDP) to assess the state of society. As an economist, she focuses on well-being, inclusivity, and a healthier environment. ‘The economy should be a tool to achieve those…

A flu virus could cause a pandemic. And then we would be poorly armed because flu viruses are starting to become resistant to flu medications like Tamiflu. Chemist Merijn Vriends successfully worked on an improved version of such medications. He will be awarded his doctorate on September 12th.

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.

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.’

Minerva, which calls itself the oldest student association of the Netherlands, has the reputation of being an impenetrable bastion. A lustrum exhibition shows the turbulent history and points to a diversity of contacts: from close bonds with Leiden ‘coffee ladies’ to the visit of Sir Winston Churchi…

Pope Francis has appointed astronomer Ewine van Dishoeck to the Pontifical Academy of Sciences. She joins an illustrious list of Nobel Prize winners, such as Ernest Rutherford, Max Planck, Niels Bohr and Erwin Schrödinger. What is her view on this? An interview with our professor of Molecular astrop…

Search engines are getting better at answering our questions. And chatbots are increasingly likely to search the internet for relevant sources. ‘Search engines and chatbots will become more closely entwined’, says Professor Suzan Verberne.

Sometimes an idea seems so logical and elegant at first glance, that you later wonder why no one thought of it before. Two researchers from LACDR have teamed up to develop a completely synthetic alternative to antibodies—one that mimics their size, shape and function, but which is cheaper, more stable,…

Egyptologist Marleen De Meyer has been appointed the new Director of the Netherlands-Flemish Institute in Cairo (NVIC). Dr De Meyer has worked for the institute, which promotes Egyptian, Dutch and Flemish collaboration in the field of education and research, since 2016.

We can all look back on a turbulent year, a year in which we rapidly switched to working – and learning – online. Because pandemic or not, many staff members have continued to work on their development. Last year the Learning & Development team developed a wide range of online courses and training,…

The dark matter of biology: clumps of sugar molecules that, for example, form sugary webs around pathogens. We know very little about them. Wouter Remmerswaal threw all his talent into the challenge – both in the lab and as a modeller – and succeeded. He received his PhD on 12th September.

Leiden University staff will be starting the national staggered strike against the cuts to higher education on 10 March. The Leiden and The Hague Action Committee is calling on staff to join teach-outs at schools and other public organisations on that day.

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.

A professor from Leiden University, together with a former employee (who is also the professor’s partner), has been guilty of long-term unacceptable and often transgressive behaviour in the form of abuse of power and manipulation. This behaviour led to a culture of fear among staff who were largely…

Diversity and inclusion are core values for Leiden University, and our aim is to offer all staff and students equal opportunities. As the University lacks adequate information about the cultural diversity of our staff, this spring we are taking part for the first time in the Cultural Diversity Barometer.…

The prestigious journal Science Translational Medicine has published a study by researchers from the Institute of Biology Leiden (IBL) on a potent new antibiotic that can overcome resistance. ‘The idea was to tweak the original antibiotic and create a next-generation drug’, says Nathaniel Martin, professor…

Multidrug-resistant pathogens and worldwide pandemics are increasing, making infectious diseases more prevalent. To develop new treatments, deeper knowledge of the interaction between bacteria and human cells is required. Ariane Briegel recently became a Medical Delta professor and studies such path…

On 12 January ten driven lecturers obtained their Senior Teaching Qualification (SKO). Rector Magnificus Hester Bijl congratulated them in the Academy Building. We asked three of them how the SKO programme had benefitted them, what they think ‘good teaching’ is and what makes them so passionate about…

‘I’m setting Academia in Motion by fostering inclusive practices and enabling data reuse and sharing, with both researchers and students.’ With these words Naomi Truan, Assistant Professor of German Sociolinguistics at the Leiden University Centre for Linguistics, highlights how she is helping to support…

During the award ceremony of the Christiaan Huygens Prize on 16 October, mathematician Rosa Schwarz received an honourable mention. Schwarz, former PhD candidate of the Mathematical Institute, received the mention for her dissertation ‘Logarithmic approach to the double ramification cycle’.

Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.