Science
The taboo surrounding HIV infections in Indonesia mainly harms women: ‘You are a bad person’
During her fieldwork in Indonesia, researcher Najmah observed that the social stigma surrounding HIV infection is causing an unnecessarily high number of female victims. ‘Neighbours, friends and Instagram influencers dictate that you must be pious and deferential.’
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Facts about migration are being ignored, says Marlou Schrover. ‘I will keep pushing back’
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Mixed feelings about the war in Iran: ‘After the first attack, my cousin texted me heart emojis’
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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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How child pornography spreads across the dark web (and perpetrators find each other)
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Iranian Aryans

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At the knitting cinema, the clicking of needles pauses only during sex scenes
More and more students are taking up knitting, crocheting and embroidery, as became apparent during the first edition of the Leiden Knitting Cinema. ‘I practised for this film.’
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It is not women who need to change, but the system
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Tobias hopped on the Flixbus to Kyiv and filmed students taking shelter, firing weapons and making bombs
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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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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?
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The history of the alphabet isn’t carved into stone
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Expedition Singelpark: Leiden’s Ring of Biodiversity
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A beating heart in a dish: how scientists create heart cells from stem cells
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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