Science
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?
News
Committee on Israel to issue advice on collaborations only after the summer break
Background
This professor no longer feels safe (and is leaving the university)
Background
Sudden freeze of Psychology staff’s saved research funds: ‘I had saved up €25,000’
Background
Don’t use us as an excuse for repression, say arrested Jewish students
News
Executive Board president Annetje Ottow to leave early
Best read
Sudden freeze of Psychology staff’s saved research funds: ‘I had saved up €25,000’
How child pornography spreads across the dark web (and perpetrators find each other)
Wijnhaven occupied once again – this time, five demonstrators lost consciousness

Background

MORE Background
Background
‘Our backs are against the wall’, says the Board about 30 million in cuts
By abolishing the international bachelor’s programme in Psychology, the Leiden University Executive Board hopes to avert the Balanced Internationalisation Act. ‘We have to choose between several evils.’
Background
Trump’s war on academics: has the fallout already reached Leiden?
Background
We can’t let this happen here: the lessons of Trump for Dutch higher education
Background
Honorary Doctor Eliot Higgins has faith in the new generation: ‘Only critical thinking can save democracy’
Background
Don't let Urban Studies become the next victim of budget cuts

Science

MORE Science
Science
The history of the alphabet isn’t carved into stone
The alphabet might be centuries older than was previously thought. Willemijn Waal is launching an academic attack on the theory that there was an “alphabetic big bang” around 800 BC. “It must have been introduced much earlier.”
Science
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
Science
What makes the first drawn bee brain so special?

News

MORE News
News
Wijnhaven occupied once again – this time, five demonstrators lost consciousness
On Tuesday afternoon, some two hundred students protested in and around the Wijnhaven building against the university’s ties with Israel. Police intervened and dealt heavy blows: around 20 demonstrators were injured.
News
Minister not yet willing to scrap language test (despite universities’ hopes)
News
After all the commotion over scrapped programmes, only two masters still face the axe
News
Controversial film sparks protest: ‘Those “poor Russian boys” killed my friends’
News
Departing dean Mark Rutgers leaves faculty in crisis: ‘I had sleepless nights’