Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

By chance, computer scientist Hans-Dieter Hiep (Leiden Institute of Advanced Computer Science and Centrum Wiskunde & Informatica) discovered a ‘gaping hole’ in a widely used method for evaluating software security. Hiep patched the hole, causing quite a stir in his field. 'It’s not pleasant when a PhD…

Is the right to choose your healthcare provider protected in the Dutch Constitution? What are the consequences then for the Dutch healthcare system? PhD defence on 5 July 2022.

Nominated as best Master thesis by the Faculty of Governance and Global Affairs (FGGA), Robin Neumann has received the second prize in the Leiden University best thesis competition.

Kirsten Kanneworff and David Dechant defend their PhD research on quantum physics at Leiden University. Fundamental work with applications in location verification and the financial world.

Marlien van Mever delved into the analysis of tiny samples, cerebrospinal fluid from transgenic mouse models for example. She validated methods that can now be used to study brain diseases such as migraine and epilepsy. Van Mever will receive her PhD on 14 June.

Kunnen algoritmen een hulpmiddel zijn voor advocaten en hun cliënten wanneer ze onderhandelen over contracten? In het preventief recht is dit zeker mogelijk, zo toont het promotieonderzoek van Georgios Stathis. Geleidelijk neemt het algoritme hier juridisch werk uit handen.

Simulations of galaxy formation provide much more information about galaxies than a telescope. Simulations have been improving significantly in recent years. Astronomer Evgenii Chaikin made such a significant contribution to this field that he graduated with honours on February 27th.

October and November not only bring a number of proud Political Science graduates, it is also the season to determine who wrote the best bachelor’s thesis. For 2021-2022, fifteen theses were nominated. During the various graduation ceremonies the two final winners were announced: Essi Maria Teresia…

It’s about much more than learning how to write a readable piece or give a presentation that doesn’t send the audience to sleep. The intensive Science Communication Summer School gives young scientists the chance to really make contact with the public.

A beautiful speech by vice-dean Bart de Smit, a mini-lecture on exoplanets and the presentation of three faculty awards. That's how we started the new year at the faculty. Together with colleagues and students, we raised our glasses to a new year full of great collaborations, science and education.

The 2015 and 2018 Personnel monitors show that maintaining a good work balance remains difficult for staff at the Faculty of Humanities. Lecturer and researcher Judith Naeff and holder of the operational management portfolio Suzy Sirks have joined the Work Balance Steering Committee to examine the…

While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…

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…

The jury of the Africa Thesis Award is delighted to announce that the 2024 prize has been awarded to Baleseng Maeneche, a graduate of the Faculty of Arts & Humanities at the University of the Western Cape, for her thesis 'Media Representations of Male Perpetrators of Violence against Women and Children:…

Alex Colling himself calls his bachelor's thesis ‘the highlight of his time in Leiden’. And according to his supervisors, that resulted in an outstanding thesis, with great attention to detail. The Mathematics and Physics student worked on a mathematical description of monopoles: hypothetical particles…

Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…

Hanneke Hulst explaines how she is trying to bridge the gap between science and health care. ‘For a neuroscientist to actually contribute to solutions for patients, you have to work across disciplines.’

Prisoners who are visited regularly by family or friends are less likely to be reconvicted in the short term than inmates who rarely or never receive visits. Visits should therefore be encouraged and facilitated, according to PhD candidate Maria Berghuis, who will defend her doctoral thesis on 23 June…

One used 3D cell models to study colorectal cancer, while the other used machine learning for more efficient blood donation. For these achievements, Marieke Vinkenoog and Simon Christian Hansmann were awarded the Krijn Rietveld Memorial Innovation Award on Tuesday 2 September.

Afronding decanaat Joanne van der Leun

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.

Lydie Cabane and Seda Gürkan, respectively PhD-coordinator and Assistant Professor at ISGA, are starting a new programme to support and train ISGA PhD-candidates. They tell us more about the programme: ‘We aim to facilitate a successful completion of PhD trajectories.’

What do ten-year-old children and chatbots have in common? PhD researcher Bram van Dijk studied language development in both children and AI language models. ‘It’s actually quite practical that we attribute human traits to a chatbot.’

Costanza Franceschini discusses the Sea-ing Africa project, offering unique anthropological research opportunities in Ghana and Morocco for Masters students.

In the Educatips column, Psychology lecturers share their most valuable insights on teaching. This month: Laura Nawijn and colleagues are designing an e-learning programme to improve the thesis supervision of clinical psychologists. ‘You don’t want to hold students’ hands, but you do want to give them…

Doing a PhD on the side? External PhD candidates, like Joost Van der Helm, just get on and ‘do it’. Besides his hectic job as a justice at the Court of Appeal in The Hague, Van der Helm managed to still find time to write a PhD dissertation.

Why does a medicine work well for one person, but cause side effects in another? Research by Laura de Jong shows that it’s not just our DNA that matters – other medicines and illnesses can also affect how our bodies respond.

Alumni and researchers met at two well-attended alumni dinners in Yogyakarta and Jakarta. The alumni reminisced about their time in Leiden and got to see their lecturers once again.

Black-and-white photographs filled with solemn young men and distinguished professors line the walls of the Grand Auditorium. Young women are missing from the photos; women rarely obtained PhDs 50 years ago. And this article is about that group, the PhD candidates between 1966 and 1972, who were invited…

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.