As of 1 September , Karel Berkhoff has been appointed professor by special appointment in Ukrainian History. In this position, made possible in part by the KNAW, he will focus primarily on dark moments in recent Ukrainian history: the persecutions that have taken place in the first half of the twentieth…

Merijn de Bakker and colleagues of the IBL-research group of Prof. Mike Richardson provide a unique view on digit evolution in crocodiles and birds in their recent study published in Nature.

Lack of manliness, avaricious or too imaginative. These are just a few of the accusations with which British scientists discredited each other over a hundred years ago. PhD candidate Léjon Saarloos researched British scientists around the year 1900 and their idea of what makes a good - and therefore…

A team of scientists, including Leiden Astronomer Alice Booth, has discovered silicon monosulfide molecules in the dust disk around a young star. Such molecules indicate planet formation. The team made the discovery using the ALMA telescopes. This method provides an alternative when direct observation…

Childcare, no access to labs and extra time for online teaching. These are the main reasons why young researchers at Leiden University have seen a significant drop in their productive working hours since the beginning of lockdown. These are the results of a Young Academy Leiden survey of over 200 early-career…

Biologist Laura Bertola argues that the traditional separation of lions into African and Asian subspecies is incorrect. She has discovered that Africa is actually home to two subspecies. Her PhD defense was on 18 March 2015.

Every year the newly arriving Archaeology students are invited to join an introduction day during which they get to know the Faculty and each other. This year, however, for the first time, the students were invited to join in on introductory activities of a less static and more fun nature, organised…

‘Seated behind her desk, she initiated and influenced embassies, conventions, ambassadorial meetings, sieges, and skirmishes that had kept a war-torn early modern Europe in its grip.’ This is how Nadine Akkerman, researcher as the Leiden Institute for Cultural Disciplines and author of The Correspondence…

Martin Richardson, who graduated in 1997 from what was then the Leiden LLM Programme in European Community Law (now: Leiden Adv LLM European and International Business Law, EIBL), has recently been appointed as a Senator of the College of Justice in Scotland, meaning that he is now a judge of the highest…

During an episode of Dutch television talk show PAUW on Monday 24 July, presenter Jeroen Pauw discussed the new threat assessment recently published by the Dutch National Coordinator for Security and Counterterrorism (NCTV). Jelle van Buuren, Assistant Professor Terrorism and Political Violence at Leiden…

Cars, wind turbines, solar panels and smartphones. ‘Critical’ raw materials like platinum or cobalt are used in all the technologies that are essential for the energy and digital transition. But we should be aware of the scarceness of these materials, a new campaign warns.

Since 2023 the newly arriving Archaeology students are invited to join an active introduction day during which they get to know the Faculty and each other in a playful and fun way. The activities are organised by Study Adviser Cleody van der Eijk. ‘It helps people to loosen up and get to know each o…

Ancient peoples might have harnessed the power of fire to modify their environment

In January 2015, during an excavation ahead of a road-building project in the west of the Netherlands, archaeologists from the Faculty of Archaeology at Leiden, ARCHOL BV and ADC Archeoprojects recovered an extraordinary set of Bronze Age artefacts.

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

Researchers from Japan and the Netherlands who were previously involved in the discovery of an exoplanet with huge rings have now calculated that the giant rings may persist more than 100,000 years, as long as the rings orbit in the opposite direction to that of the planet around the star. Their findings…

The moving boxes are unpacked, the floors are gleaming, and the workshop rooms look fresh and inviting. On Monday 16 June, the renovated Lorentz Center will be officially reopened by dean Jasper Knoester and rector Hester Bijl. Director Roeland Merks: ‘There’s a new energy running through our centre…

A team of astronomers of Leiden University and the University of Texas (Austin, United States) has discovered a new way to map distant galaxies. They did so by observing the fingerprint of oxygen in a distant galaxy, something that is usually not possible from Earth. The researchers will publish their…

In zijn oratie bepleit Joachim Koops dat de toekomst van Security and Global Affairs ligt in onderzoek, onderwijs en academisch bestuur.

Astronomers at ASTRON and Leiden University have used the LOFAR radio telescope to discover a 'brown dwarf' – a faint object more massive than Jupiter, but significantly less massive than the Sun. The discovery of the object dubbed Elegast, opens up a new path that uses radio telescopes to discover…

Raw materials should no longer be excavated from mines, but reused from sources that are already present, such as unused underground electricity cables and discarded ships. At least, that is necessary for a circular economy. A new report explores where these resources are located and how we can use…

As of 1 September, archaeologist Amanda Henry has been appointed Full Professor at the Faculty of Archaeology, where she will hold the chair in Evolution in Hominin Diets. The appointment marks a new chapter in her academic journey, building on her longstanding research into ancient human diets and…

An international congress, lectures and a new book series and magazine. It’s a hot topic at the moment that attracts broad public interest. Researchers, from historians to legal experts, are bringing together their expertise in the Leiden Slavery Studies Association.

The RED team, a group of independent experts, has advised the Dutch government to close down all (secondary) schools. It is a difficult balance the government has to find between limiting the number of contagions and the social consequences of closing down the schools. As a result of the first lockdown…

Two Vidi subsidies for Faculty of Archaeology.

Twice a year, Gert Renkema, Head of Financial and Economic Affairs at FGGA, provides us with an update on the faculty’s finances. This time, he sits down with Niels Laurens, Director of Operations, over a cup of coffee and tea to share the results of the past year and the financial outlook.

Stimulating the vagus nerve, which provides a direct link between the gut and brain, makes people pay less attention to sad facial expressions. This research study by psychologists Katerina Johnson and Laura Steenbergen is published in the journal Neuroscience.

‘Timmermans says more Polish workers are staying in Poland, but there aren’t any figures to back this up,’ was the headline of NU.nl news website during the European elections in 2019. This was after Nieuwscheckers, the fact-checkers at Leiden University, had checked a statement by PvdA politician Frans…

Sugar excipients, needed to stabilize medicines, can be unsafe for patients due to an impurity discovered recently by Daniel Weinbuch. ‘The biopharmaceutical industry should now consider new excipient quality criteria for safer drug development,’ he says. PhD defence on 13 December.

Leiden University is in third place in the Netherlands for the percentage of women professors, behind the Open University and Radboud University in Nijmegen. This is reported in the Review of Women Professors 2018.

With the aid of physics and a minuscule magnet, researchers have discovered a new structure of telomeric DNA. Telomeres are sometimes seen as the key to living longer. They protect genes from damage but get a bit shorter each time a cell divides. If they become too short, the cell dies. The new discovery…

Op 26 april 2012 kwamen ze samen om ervaringen te delen met Leidse staf: twaalf Chinese promovendi die in Nederland zijn in het kader van het beursprogramma van de China Scholarship Council. Tien dagen eerder, op 16 april, ontving de Universiteit Leiden een delegatie van Peking University.

Some of the most significant and surprising astronomical breakthroughs that have shaped science, technology and culture over the last century are showcased in the Above and Beyond open-source exhibition. This exhibition was commissioned within the framework of the International Astronomical Union's…

The Future of Dying: End-of-Life Care in a Time of De-medicalized Death explores how patients, their relatives, and healthcare providers make decisions about end-of-life care when such treatments are readily available.

Geometrical patterns serving as decorations do more than just that; they always have a meaning, according to art historian Arthur Crucq. Doctoral defence 17 May.

A group of early career scientists have written a code of ethics through an initiative of the World Economic Forum. Chemist and co-author Sander van Kasteren explains its importance: ‘We want to show that we scientists have our own inherent morals too, and that we too are part of society.’

Why is the sky blue? Why are most people right-handed? Why are spiderwebs so strong? These are just some of the questions arriving at Postbus 71, a Leiden2022 project where everyone can ask their questions. Friso de Hartog, the driving force behind Postbus 71, is busy answering as many questions as…

On 7 October, a court in Athens, Greece, convicted leaders of the far-right Golden Dawn party as directing a criminal organization. Marina Terkourafi, professor of Sociolinguistics, discusses the landmark ruling for the Leiden International Studies Blog.

Op 17 februari 1983 trad de geheel herziene Nederlandse Grondwet in werking. Het radioprogramma Villa VdB – gepresenteerd door Jurgen van den Berg – besteedde aandacht aan het 42-jarige jubileum van die gebeurtenis. Van den Berg ging daarover in gesprek met hoogleraar staatsrecht. Wim Voermans.

Although seen as the fastest and cheapest way to global climate protection, a uniform global carbon price would have major consequences for the economic competitiveness of countries. Hauke Ward, who recently joined Leiden University, showed in the journal Energy Economics that modern western countries…

It was already the most cited publication ever written at our faculty, but now a new milestone has been reached. Last month, a paper by emeritus professor Jan Reedijk and his co-authors surpassed 10,000 citations — and the count keeps rising.

Does gravity work the same when you look at the largest scales in our universe? That’s what Leiden physicist Alessandra Silvestri will study with a 2 million euro ERC Consolidator grant. ‘We assume that it does, but we don’t actually know.’

'How can public leadership contribute sustainably to solving societal problems?'

Dutch politics is becoming increasingly polarised, and forming stable governments seems more difficult than ever. In the heat of the election race, a psychologist and a historian offer cool-headed advice.

The daisy has been crowned the Netherlands’ national flower. Rogier van Vugt, Head of Horticulture at the Hortus botanicus, explains why the daisy merits its elevation to national symbol.

Humans perceive the world through different senses: we see, feel, hear, taste and smell. The different senses with which we perceive are multiple channels of information, also known as multimodal. Does this mean that what we perceive can be seen as multimedia?

De Leiden Lawcast: de facultaire podcast door en voor studenten. Iedere aflevering bespreken de hosts een actueel onderwerp met een interessante gast die het onderwerp belicht vanuit hun wetenschappelijke of juridische expertise. Na een mooi startseizoen in 2022 hebben Irem Çakir en Hamza Duprée het…

Opera, more so perhaps than most other forms of art, is deeply intertwined with philosophy and politics. For some composers this was explicitly so. Think of Wagner’s relation with Nietzsche and Schopenhauer or Verdi’s role in Italian unification. But almost any opera raises, and tries to grapple with,…

The Sharia, the Islamic legal system, pays greater attention to ethics than may have been thought. This was clear at the annual conference of the Leiden University Centre for the Study of Islam and Society (LUCIS). Academics from throughout the world considered the question of how modern Islamic law…

Nadine Raaphorst, university lecturer at the Institute of Public Administration, has been awarded a Veni-subisidy from science financier NWO. This grant of up to 250,000 euros will enable her to set up her own research in the coming years. Raaphorst's research is about consistent decision-making by…