News
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Astronomers Discover Ancient Solitary Quasars with Mysterious Origins 18 October 2024
An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be...
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Outbreak of an infectious disease? Mathematics helps in making quick, informed decisions 15 October 2024
A job thanks to COVID—something not many people can claim. But PhD candidate Vera Arntzen can. Over the past four years, she has mapped two crucial ch...
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How much time will it take to log my travel? This and other questions about the new mobility policy 15 October 2024
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...
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Listening, asking questions and soaking up the atmosphere at the Bachelor’s Open Day 15 October 2024
So many interesting programmes, but which one suits me best? It was the Bachelor’s Open Day in Leiden and The Hague on Saturday 12 October. Among the ...
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From wildlife journalist to ecologist: PhD candidate researching light and noise pollution 14 October 2024
Ecologist Sebastiaan Grosscurt became a successful wildlife journalist after graduating. But he decided to focus on science instead. He started his Ph...
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Car sharing and second-hand phones not as green as they seem, research shows 14 October 2024
Not all sustainable business models have the impact they claim, Leiden researcher Levon Amatuni revealed. Car sharing and phone reuse, for example, ha...
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A cocktail of chemicals in surface water is more toxic than each substance individually 14 October 2024
Pesticides can form a toxic cocktail when they occur in combination in surface water. This is the finding of research that Leiden University and the D...
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More housing in cities is possible without sacrificing green spaces 14 October 2024
Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research condu...
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A theory rarely proves true in practice 14 October 2024
Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot...
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New video on Leiden student city feature Archaeology student Azra and Biology student Floris 11 October 2024
In Leiden University's video series on Leiden and The Hague as student cities, students interview each other at their favorite spots. In the fifth vid...
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Pre-University College celebrates 20th anniversary: ‘Still unique in the Netherlands’ 10 October 2024
Leiden University's Pre-University College is celebrating its 20th anniversary. The programme introduced hundreds of secondary school pupils to scienc...
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Executive Board and University Council discuss security measures 10 October 2024
In a confidential meeting, the University Council (UR) and the Executive Board (CvB) have discussed security within our buildings, partly as a result ...
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‘Exposure therapy’ for bachelor students: preparing for the reality of scientific research 10 October 2024
Already during their bachelor’s programme, students in Pharmaceutical Sciences are presented with challenging projects. One of these is the Bachelor R...
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Dozens of massive stars launched from young star cluster R136 09 October 2024
Astronomers have used data from the European Gaia Space Telescope to discover 55 high-speed stars launched from the young star cluster R136 in the Lar...
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Opening of the Herta Mohr Building: brand new and also recycled location for Humanities 09 October 2024
Light, open and green: a description that fits the new, renovated location of the Faculty of Humanities. The official opening of the Herta Mohr Buildi...