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Mixed feelings about the war in Iran: ‘After the first attack, my cousin texted me heart emojis’
Iranian students and researchers in Leiden are deeply worried about family members who say they are actually pleased about the bombings. ‘If the regime doesn’t fall, my cousin will probably get the death penalty.’
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Luc Sels doesn’t want to be chief, but first among equals: ‘Low trust in the Board is a major concern’
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Bas InSite is like a black hole where invoices disappear. ‘The whole system is straining at the seams’
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‘Extremely undesirable’ mould and fungi in the Herta Mohr building
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At the knitting cinema, the clicking of needles pauses only during sex scenes
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It is not women who need to change, but the system
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How child pornography spreads across the dark web (and perpetrators find each other)
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She witnessed the Uyghur genocide first-hand: ‘I will never forget the eyes of the prisoners’

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Tobias hopped on the Flixbus to Kyiv and filmed students taking shelter, firing weapons and making bombs
Student Tobias de Saint Laurent made a documentary about how Ukrainian students his age divide their time between attending lectures and helping the army. ‘I don’t just want to observe – I want to make the world a better place.’
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Everything must change because of AI: ‘It’s very difficult to detect’
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‘Time to start taxing the super-rich more’, says French economist Gabriel Zucman
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Science is fine without women
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University lecturer: Childcare facility De Kattekop is not peripheral to the university’s mission

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One photon in a sea of ​​darkness: how quantum is in the eye of the beholder
Physicists at Leiden’s Quantum Matter and Optics research group are testing the limits of perception with a simple question: can humans perceive a single photon?
Science
The history of the alphabet isn’t carved into stone
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Expedition Singelpark: Leiden’s Ring of Biodiversity
Science
A beating heart in a dish: how scientists create heart cells from stem cells
Science
Hanging out with beer, biology and a quiz

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Board president Sels fights a ‘humanities apocalypse’ at Dies celebration
At the Dies Natalis on 9 February, President of the Executive Board Luc Sels delivered a passionate plea for the importance of the humanities and social sciences in his Foundation Day Lecture. ‘We must cherish them: not as heritage, but as a foundation for the future.’
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University to scale back security at Wijnhaven, with checks limited to evenings
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USC sports instructors lose their jobs: ‘I don’t know if I want to keep exercising here’
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How one Arabic-speaking man sent university security into a panic: ‘Something is brewing’
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Psychologists work from home to avoid mice