News
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In memoriam Frans Saris01 July 2025It is with great sadness that we have learned of the passing of Prof. Dr. Frans W. Saris.
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A campus in bloom: new book shows spectacular metamorphosis of Leiden Bio Science ParkLeiden Bio Science Park 01 July 2025The university campus at the Leiden Bio Science Park is flourishing. Amid lush greenery, a modern and vibrant campus has taken shape. Students, resear...
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Luijten appointed as Professor of Human-Relevant Risk Assessment of Chemical SubstancesReliable method 01 July 2025As of 1 July, toxicologist Mirjam Luijten from the Dutch National Institute for Public Health and the Environment (RIVM) starts as professor by specia...
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Leideners find more than 2,000 species in urban biodiversity inventoryBiodiversity 30 June 2025Around 1,300 Leideners found 2,265 species during the Expeditie Stadsnutuur urban biodiversity inventory. ‘It’s been a huge success’, says scientific ...
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René Kleijn joins UN panel on resource use30 June 2025How can we manage our natural resources more sustainably? That’s the key question behind the United Nations’ International Resource Panel (IRP). The p...
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Personalised medicine? Then you’ll need to look beyond genetics30 June 2025Why 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 matte...
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Supermassive black holes: how do you study something that is invisible?Astronomy 30 June 2025How are supermassive black holes born? That is the question astronomer Elena Maria Rossi is trying to answer. But how do you investigate something you...
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Leiden physicists search for ultralight dark matter using a magnetically levitated particlePHYSICS 27 June 2025Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new ro...
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Working together to rebuild Ukrainian astronomy26 June 2025How do you rebuild a field of science after years of war? In June, a remarkable gathering of Ukrainian and Dutch astronomers took place at Leiden’s Ol...
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Video labs and narratives of future conflicts: two lecturers receive a Comenius GrantInnovation in education 24 June 2025Lecturers Marjo de Graauw and Malte Riemann have both received a Comenius Teaching Fellowship. The €50,000 grant will enable them and their project te...
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Anniversary edition of the Leiden Science Run raises record sum for vulnerable children24 June 2025Smiling faces, sweltering heat and a record-breaking donation – that was the Leiden Science Run 2025. On Saturday 21 June, the Leiden Bio Science Park...
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Rubin Observatory reveals first images: with key contributions from Leiden23 June 2025A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its ...
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New assumption-free statistics offer a better choice for many research studies19 June 2025PhD candidate Daniël Gomon has developed statistical methods that could significantly improve research in fields like medicine and demography. ‘Mathem...
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Astronomers analyse huge, hot filament of missing normal matter19 June 2025A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — o...
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Vulnerability in open-source code has been floating around for 15 years: ‘This shows how complex security really is’18 June 2025Researchers at LIACS have found a vulnerability in open-source code that’s been used around the world for over 15 years. They’ve also developed an AI-...