Although there is considerable evidence that nature in the city is beneficial to both people and animals, we still do not have an overall picture of those benefits. To rectify that, a Leiden PhD candidate and a student – armed with a cargo bike – are using The Hague as a life-size laboratory.

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De Faculteit Archeologie bestaat dit jaar 25 jaar. Ter ere van dit jubileum opende de faculteit op 1 maart zijn deuren voor het brede publiek.

In his art, Rafael Martig shows how drastically human activity changes nature. Fieldwork during his studies reinforced this view. ‘On Ameland I found masses of meadow birds, but the greenery on the mainland was often a grass desert.

Is my cap on straight? Where in the cortège will I be walking? These are some of the questions asked by professors joining the Dies Natalis procession for the first time.

Monique Tekstra-van Lochem decided to develop a book of her own that all children can recognize themselves in. In May "Hey, who are you?" will be released, a children's book in which twenty fictional children from all over the world take you with them into their daily lives.

On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter, Jasper gives a peek into his life as dean.

What started with an old Soviet camera and a darkroom in London grew into a lifelong passion. Developmental biologist Michael Richardson has been capturing nature - from wild coastal plants to microscopic details in the lab - since his childhood.

A lot of municipalities work with a points system to encourage construction projects to take biodiversity and creating green areas into account. But this way of working also benefits local neighbourhoods and residents, master's student Marije Sesink discovered. She based her study on The Hague.

If you buy something online, the webshop can adjust the price based on your data. Kimia Heidary investigated the phenomenon of online price discrimination. ‘It’s not necessarily unfair. Different prices for different people has been around for years.’

With a grant from the Digital Infrastructure Insights Fund D//F, John Boy and members of the d12n research cluster will explore new ways critical technologists try to align their work with digital technology with the political goal of defending the public interest.

‘To be honest, I don’t really care about what type of research is going on. Just let me do my own thing and everything is fine,’ according to biotechnical officer Davy de Witt. In this interview, he tells about his tasks and experiences at the Institute of Biology Leiden, where he has been employed…

Alumnus Anoma van der Veere did Japanese studies and talks in this interview about his studies in Leiden and his work as a researcher at the Leiden Asia Centre and as Japanese correspondent in Tokyo.

Rain or shine: in the course ‘The Ecology Project’ students of Leiden University College visit the nature of The Hague each week.

Ten Leiden researchers have been awarded a Veni grant by the Dutch Research Council (NWO). The grant, of up to 280,000 euros, will enable them to elaborate their ideas over a period of three years.

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

Lou Boshart won the Excellence in Visual & Multimodal Ethnography Thesis Prize for his film ‘Layers of Confidence’. Lou produced a multimodal thesis about the way rat catchers in New Zealand enact conservation policies and reflect on the ethical challenges of eradicating invasive species. Xiaohui Liu…

Collaboration is worthwhile. A joint LUMC and Leiden Law School project has received €142,500 from the Dutch Research Council (NWO). This grant will advance research into the law and ethics of regenerative medicine.

'Frans Rodenburg is an excellent teacher who is able to convey difficult information,' say his students. In his statistics classes, he wants to make students enthusiastic for his beloved subject. 'Most students are convinced that statistics is not for them. I am here to convince them otherwise.' Rodenburg…

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.

The Municipality of Oss is a household name in the world of Dutch archaeology. For fifty years, Leiden archaeologists, in collaboration with residents of Oss, have been uncovering the history of the municipality. 2024 is the archaeological year of Oss! In a series of interviews we look back on fifty…

Archaeological finds off the coast of Java, Indonesia provide insight into the world of Homo erectus, 140,000 years ago. Skull fragments and other fossil remains provide a unique picture of how and where these early humans lived, says Leiden archaeologist Harold Berghuis.

She walked into the Sylvius building as a wide-eyed twenty-something in 1984, and next year, she’ll be leaving us as a soon-to-be retiree in her sixties. Ine Tijdens (66) reflects on more than four decades at LACDR. ‘One year, I got a little whip for Sinterklaas. That says something about my persona…

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.

Zār jewellery from Egypt can be found in many museums and private collections in the West, but for a long time very little was known about it, except that it was used in rituals to protect against spirit possession. PhD candidate Sigrid van Roode has explored its history and discovered that the jewellery…

How can initiatives aimed at environmental conservation and climate change mitigation in the eastern Himalayas proceed from the cultural expectations of its indigenous ethno-linguistic minorities? Enabled by an NWO Open L grant, the research project 'Futuring Heritage: Conservation, Community and Contestation…

Nine students dove into a challenging iGEM project this summer. With their idea, they aim to make antibodies more efficient - and in the meantime learn at least as much about collaboration, creativity and their own future.

Het College van Bestuur laat door een postdoc een eenjarig vooronderzoek doen naar het koloniale en slavernijverleden van de Universiteit Leiden.

Elephant toothpaste, a trip among the stars or a lecture on mathematical juggling: on Sunday 8 October 2023, the Faculty of Science opened its doors for the third edition of the Leiden Science Family Day. A programme jam-packed with workshops, demonstrations, lectures and peeks behind the scenes for…

Over 20,000 students, lecturers, administrators, support staff and many others protested on 25 November against the plans to make billions of cuts to higher education. Students and staff from Leiden University also travelled to The Hague to voice their objections to the disastrous plans.

Neanderthals were able to outwit straight-tusked elephants, the largest land mammals of the past few million years. Leiden professor Wil Roebroeks has published an article about this together with his German colleague Sabine Gaudzinski-Windheuser in the Science Advances journal.

The rules of play for researchers are becoming increasingly complex. This makes it essential that they receive the best possible support with challenges such as complicated grant procedures or strict privacy and ethics requirements. Leiden’s research support professionals have a network in which they…

After months of preparation, the moment of truth had arrived: would the skies above Leiden clear for the promised glitzy planet-and-star show? The people of Leiden turned out in their hundreds to go star-hunting on 25 September. They became more aware than ever of the effects of light pollution.

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.

Cancer research generates massive amounts of data, but traditional tools often fail to fully harness their potential. How can we unlock this data to provide better treatments for cancer patients? PhD candidate Marina Gorostiola González explored this by using advanced data analysis techniques to guide…

The biographer of Leiden University, Willem Otterspeer, has a new book out. In ‘De stad, de dood en de dichters’ (The City, Death and the Poets) he combines his love for the University and poetry with autobiographical reflections. ‘With my magnifying glass I discovered yet more new details in the pr…

The Netherlands is losing plant species that rely on pollination by insects. Leiden environmental scientist Kaixuan Pan demonstrates this after analysing 87 years of measurements from over 365,000 plots. The news is alarming for our biodiversity and food security. ‘75 per cent of our crops and 90% of…

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.

Five consortia within the Perspectief programme that include Leiden researchers have received funding to start their research projects. These projects focus on (further) developing technological innovations, with societal and economic impact at their core.

Although it can be a challenge at times, parents should keep communicating with their teens. Also about how they parent. Research by developmental psychologist Loes Janssen shows that parenting can be perceived quite differently by family members and mood plays an important role. Parents often parent…

In dermatology, there should be a high level of multidisciplinary collaboration among institutes and specialists, Professor of Translational Dermatology, Robert Rissmann, will say in his inaugural lecture on 8 July. He is building an infrastructure that will put pre-clinical and clinical skin research…

How do fats and enzymes in the brain contribute to multiple sclerosis? In his PhD research, Daan van der Vliet combined chemistry and neuroscience to gain new insights into how brain disorders develop.

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.

Music venue Paradiso, the Keizersgracht Church and the Artis Zoo’s aquarium: these buildings all owe their design to architects Gerlof Bartholomeus Salm and Abraham Salm. Remco van der Kuijp researched the place of father and son in architectural history. PhD defence on 25 March.

Fadly Rahman and Marleen Reichgelt recently joined the Institute for History within the NWO-funded project 'Epistemic actors. The role of Indonesians in the making of knowledge in the colonial era’ under the supervision of Fenneke Sysling. Below, they introduce themselves.

What will it be like to study at Leiden University in 2075? Ten surprising, artistic uni-visions could be brought to life. It’s up to you to vote for your favourite.