Kool made a conscious choice to work for a non profit organisation. Recently, inspired by the pandemic, she also made a career switch.

Facility, Organisation

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…

Nausea, neurologic pain and hair loss: some of the severe side effects of chemotherapy. Not necessary, biochemist Liyan Zhang showed. Together with Leiden biologists and others, she achieved great results with a drug that is only active in combination with light. Zhang will defend her PhD on 4 July.

Fat is a very valuable food component, packed with calories, especially important when other resources might be scarce. Our earliest ancestors in Africa already cracked open bones to extract the fatty marrow from bone cavities. But now a new study published in Science Advances demonstrates that our…

Delve into the depths of black hole imaging as anthropologist Rodrigo Ochigame unveils the human decisions shaping its portrayal. Explore four alternative color choices at the 'Towards the Black Hole' exhibit, now showing at Rijksmuseum Boerhaave, Leiden.

The way the great masters of the sixteenth and seventeenth centuries learned to draw is more similar to a present-day drawing class or book than you might think. Professor of ‘Art on Paper and Parchment’ Yvonne Bleyerveld tells us about the art of copying and model books.

If a forged Vermeer or Rembrandt is discovered, it is world news. Yet tracing fakes has long been a low priority in art history. University lecturer Anna Tummers will receive an ERC grant of almost two million euros to change that.

Aesthetic attraction plays a big role in orangutans’ mate choice, behavioural biologist and PhD candidate Tom Roth has observed. But to discover just how big that role is, more research is needed into the emotions of the great apes.

On behalf of its students and staff, the Executive Board of Leiden University would like to express our condolences to all those affected by last Friday’s earthquake in Morocco. We would also like to offer support to all students and staff who have family or friends in the area. In the meantime, several…

On 5 October, mediator Johan Remkes presented his report on the nitrogen crisis and what he thinks is the best way forward. Leiden University professor and nitrogen expert Jan Willem Erisman responds to Remkes’s recommendations. ‘It’s a step in the right direction.’

Five questions about the event ‘Germany after the Elections: implications for Foreign Policy and European Security’ answered by one of the experts at the event: Joachim Koops. Come by at the Spanish Steps in Wijnhaven on Friday 15 October or join the event online (link below).

Students and staff from Leiden University are protesting in The Hague on 25 November against the billions in cuts to higher education. ‘The cuts are a terrible idea and we want to show why’, says Claire Weeda from WOinActie. ‘Research and teaching are essential to society.’

The Houthis are attacking ships in the Red Sea. Rerouting via South Africa is expensive, whereas the Arctic route only takes a week. Once a no-go zone, this route might be a more realistic option. Mind the nuclear submarines, though…

Researchers have discovered the most distant Milky-Way-like galaxy yet observed. Dubbed REBELS-25, this disc galaxy seems as orderly as present-day galaxies, but we see it as it was when the Universe was only 700 million years old. This is surprising since, according to our current understanding of…

When you think of physics, do you think only of complicated formulas? You’re not the only one. Therefore, every year, the Leiden Insitute of Physics organises the LION Image Award to show another side of physics: beautiful images about intriguing science. The winner of the 2022 photo competition captured…

We spoke with Mathilde Witkam about her research as a dual PhD candidate at the Dual PhD Centre. Her dissertation is about the effect of open government on public trust. Mathilde: ‘Trust in government ensures that people are more honest in their tax returns; less control saves time and money.’

Met een openingswoord, een paneldiscussie op de Spaanse Trappen in Wijnhaven en een druk op de rode knop voor het gebouw zelf, is POPcorner The Hague donderdagmiddag officieel geopend door rector magnificus Hester Bijl.

An international team of astronomers has shown that a white dwarf and a red dwarf orbiting each other every two hours are emitting radio pulses. Through the discovery, astronomers now know that the monopoly on bright radio bursts is not solely held by neutron stars. The team of international scientists…

The IHL Clinic offers outstanding LLM candidates the chance to work pro bono on KGF projects and gain practical experience in humanitarian law in cooperation with practitioners working in the humanitarian field.

The Dutch Tax Authorities leaked information about an international tax audit to Uber. In addition, they ‘obstructed and delayed’ an investigation by other EU Member States, says the International Consortium of Investigative Journalists (ICIJ) based on internal documents from the tech company.

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

The Board of Governors of Leiden University is pleased to announce that the outgoing Minister of Education, Culture and Science, Robbert Dijkgraaf, has appointed Professor F.B.J. (Ferd) Grapperhaus as the new Chair of the Board of Governors.

Professor Herman Paul has been appointed Scientific Director of the Institute of History from 1 February 2025. ‘Especially in these times, transparency is essential.’

During the past year online meetings and lectures have become a firm feature of university life. One of the highlights of the Leiden University Centre for Linguistics’ online activities has been the online seminar series ‘Language policy and practices in the Global North and South’ organised by guest…

The slogan of the Faculty of Archaeology, ‘The Future of the Past starts at Leiden University’, might sound like empty marketing speak. But there is something to it. The past can teach us a lot about climate change and that could make us fear the worst for our future. Archaeologist Gerrit Dusseldorp…

From the energy transition in Namibia to sustainable jobs for young Nigerians, from African cookbooks to vodcasts on vintage Swahili booklets: during a recent visit by the Executive Board, staff from the African Studies Centre Leiden and the African Library presented their research, teaching and acquisition…

An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.

Festival

Did you get a taste for recording local wildlife with Expeditie Stadsnatuur? Join the higher education BioBlitz and help us discover what is growing, crawling and fluttering on our campuses.

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

Hoping to learn something about the human brain, Leiden researchers are creating a setup to shoot single photons, particles of light, into someone’s eye. ‘The eye is a passageway to the brain.’

Today, Leiden University announces who the new Cluster Zuid on the Witte Singel will be named after. Summer 2023, a ballot determined the name of the complex on the former Van Wijkplaats/Van Eyckhof, which is expected to be completed in March. It was already established that the complex would be named…

New archaeological research into grave goods and skeletal material from the oldest grave field in the Netherlands shows that male-female roles 7,000 words ago were less traditional than was thought. The research was conducted by a multidisciplinary team of researchers led by Archol, the National Museum…

Do all graduates in the humanities pursue a career in education? What does support for incoming students look like in Leiden? And what makes a language study so enjoyable? These and more questions were answered during an information session organised specially for twenty deans from West Brabant.

Opening van het Quantum Delta NL (QDNL) Talent & Learning Centre (TLC) Leiden-Delft.

Each year, CML gives out three Stans Awards. The Institute's staff could nominate students and colleagues for the prices of best student thesis, best PhD paper and best outreach from the past year. Jury members Jan Willem Erisman and Nicole de Voogd made the final decision.

Veel mensen denken dat zware metalen giftig zijn en mens en natuur altijd schade aanbrengen. Dat beeld moet genuanceerd worden, vindt hoogleraar Sylvestre Bonnet.

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

The challenge is considerable, but so is the satisfaction when it succeeds: creating complex sugar molecules that play a role in biology.

How should the Quran be read? The manuscript of this holy book makes different interpretations possible. Researcher Marijn van Putten has been awarded an ERC Consolidator Grant of two million euros to explore centuries-old recitations.

Korrie Korevaart, a former director and lecturer in Dutch language and culture at Leiden University, has been made a member of the Order of Orange-Nassau. Korevaart, who has retired but is still a guest member of staff at the university, has received the honour for her work at the Faculty of Humanities…

What do scholars, the Netherlands Public Prosecution Service, the police, the National Rapporteur Human Trafficking, Victim Support Netherlands, and the Violent Offences Compensation Fund have in common? They all work with victims, each from their own expertise. High time to combine that knowledge,…

To eat or get eaten. It describes the evolutionary race of snakes versus the mammals and birds that prey on these snakes. Muzaffar Ali Khan devoted his PhD to investigating the molecular mechanisms play of the evolutionary arms race, and has his promotion 16 February. What makes mammals and birds successful…

Two workshops on imbalance are scheduled in the near future: one for staff members and one for managers. The aim is to help people recognise signs of imbalance earlier and to take appropriate action.

Why are mycobacteria such successful pathogens? And are there defence mechanisms in the body that help reduce an infection? To find out, Annemarie Meijer has been awarded the NWO Open Competition ENW-XL grant. She will not explore this quest alone. Five other leading Dutch research groups are participating…

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…

Packages of DNA strands containing silver, measuring just two or three nanometres in size. Leiden physicists Donny de Bruin and Dirk Bouwmeester create these packages, which can enter living cells on their own. They then activate the silver with light, causing the cells to break down. This could, in…