Self-employed workers’ hours have significantly decreased during the coronavirus crisis. Their average hours worked decreased most at the start of the crisis, by more than five hours per week. And it was difficult to return to their pre-crisis hours in the quarters that followed. This is the conclusion…

Leiden University joins the Just Transitions for AMR Working Group, an interdisciplinary team of social science and humanities researchers who are exploring ways to mitigate the growing threat of antimicrobial resistance in a just and equitable manner, with due consideration to the human rights of present…

Cathalijne van der Plas will become Professor of Private International Law (0.4 fte) at Leiden University as of 1 October 2021. She succeeds Prof. Sierd Schaafsma who has become a judge at the Supreme Court as of 1 May 2021.

Drained leaves and plants stripped bare. Insects can completely destroy crops. Soon, these situations may be behind us, with the new pesticide developed by Leiden and Wageningen researchers. With their plant-based ‘insect glue’, insects are incapacitated.

Emeritus professor Willem Otterspeer received a royal honour from mayor Henri Lenferink on Tuesday 20 September. The university historian was appointed Knight of the Order of Orange-Nassau.

In a new article in the journal Scientific Reports, Leiden archaeologist Wei Chu and colleagues report on recent excavations in Western Romania at the site of Româneşti, one of the most important sites in southeastern Europe associated with the earliest Homo sapiens. The site gives an important glimpse…

The many thousands of small celestial bodies beyond Neptune’s orbit may have ended up there due to a star that passed close to the solar system billions of years ago. This is shown by Leiden simulation expert Simon Portegies Zwart, along with his German and Dutch colleagues. ‘We are answering several…

The Humanities Campus will take further shape in 2024, with the completion of the South Cluster in February and a whole series of moves that will then take place in the spring and summer. A few highlights of the upcoming moves are described below.

Compared to suspects with the Dutch nationality, foreign nationals face court proceedings more often and are given a prison sentence more often than Dutch suspects. This was the outcome of research conducted by Hilde Wermink, Assistant Professor at Leiden Law School, and American sociologist Michael…

Are you thinking of applying for a Kiem grant but still tinkering with your idea for an interdisciplinary project? Let Leiden colleagues from the first Kiem round inspire you! Lydie Cabane invited researchers from all over the world for a workshop entitled ‘Protecting against disasters’.

Education, Library, Research

The life cycle of comets near the star Beta Pictoris is similar to that of comets in our own solar system. This is the conclusion of a team of astronomers from the Netherlands, France and Brazil. It seems that, just like in our own solar system, there are fewer comets as the star gets older. The researchers,…

Organisation

Angry politicians, angry journalists: the initiative of Forum for Democracy politician Gideon van Meijeren during which he secretly filmed a reporter portraying them as a ‘sewer rat’, caused a lot of anger. Where does all this commotion come from? Wouter Hins: ‘Calling a journalist a "sewer rat" is…

Natalia Sobrino-Saeb, third-year student at Leiden University College The Hague, won the challenge by the Ignitor Fellowship Program held by the Nobel Peace Center for her essay on the threats to journalism in Mexico. On December 10th Natalia met the Committee of the Ignitor Fellowship in Oslo and attended…

On International Women's Day (8 March) we take time to consider female emancipation and participation. What does this day mean for Leiden University, and how does it tie in with our aim of becoming more diverse and inclusive? We talked about these issues with Annetje Ottow, who recently became the…

Op dinsdag 10 januari 2022 zijn tijdens de facultaire nieuwjaarsreceptie de jaarlijkse Meijersprijzen en de scriptieprijzen uitgereikt.

This Thursday, January 18th 2024, our esteemed colleague Jan Zaanen passed away. Jan was one of our star scientists, larger than life, with an unabashed, boisterous drive for the best of physics at the Institute Lorentz, at the Leiden Institute of Physics and in the full international scientific community.…

In de rubriek ‘Onderwijsheden’ delen Psychologiedocenten hun belangrijkste inzichten over college geven. Deze maand: Anouk van der Weiden ontwikkelde met een team collega’s en studenten een lespakket kritisch lezen, toepassen en schrijven. ‘Studenten denken: wie ben ík om kritiek te geven op een gepubliceerd…

For thirty years, the Dutch Newspaper AD conducted an annual search for the best herring. This came to an end when economist Ben Vollaard, based on a statistical analysis, claimed it was rigged. But that claim doesn't smell right, says Leiden statistician Richard Gill. ‘The way you code and process…

On January 16, 2022, our respected and beloved colleague Prof. dr. Bas Edixhoven passed away after a short period of serious illness.

A variety of age checks are required, both in order to protect children and to ensure that they can participate online, a new study funded by the European Commission finds. The article on the study, co-authored by Simone van der Hof, Professor of Law and Digital Technologies at eLaw, was published in…

Leiden University has an active open science community. Open science means transparency in all phases of research by precisely documenting every step of the way and making this publicly available. ‘It’s time to be open,’ say psychologists Anna van ’t Veer and Zsuzsika Sjoerds. There is increasing awareness…

Lecture, China Seminar

Lecture

Eduard Fosch-Villaronga, Hadassah Drukarch and Bart Custers from eLaw - Center for Law and Digital Technologies, explore together with Pranav Khanna, eLaw alumnus, the influence of automation on human–robot interaction and responsibility in surgery innovation.

Every year on or around International Women’s Day on 8 March, Leiden University holds its Annie Romein-Verschoor Lecture. This year’s lecture will be given by Sylvana Simons, MP and leader and parliamentary chair of the BIJ1 party. What does International Women’s Day mean to her and which challenges…

During the 80th session of the Geneva-based Institut de Droit International, Aleydis Nissen was awarded the Andrés Bello Prize. The competition was established by James Brown Scott in 1931 and is carried out under the auspices of the Institut.

Watching and analysing hundreds of TEDx talks, that too can be research. That becomes clear from the work of PhD student Aletta Meinsma, who is studying potential problems in popular communication about quantum technologies. She explains how she approaches this and why it is so important.

On paper it is recycled, but in reality enormous quantities of plastic waste from the Netherlands end up in Asian seas. Researchers from the Leiden Institute of Environmental Sciences charted the fate of plastic food packaging waste from the Netherlands. They published their results on July 8 in the…

During her master's thesis, Nashanty Brunken (24) worked in a team with five other women. With this female team, they discovered the largest molecule so far identified in a disc. 'I have learned so much and because we are all women, it is incredibly empowering. It's very cool to see how far we've come…

It is the fifth year in a row that the Faculty of Archaeology is placed in the top ten of archaeological institutes worldwide. The QS World University Rankings by Subject looks at criteria like academic reputation and citation ratios. Dean Jan Kolen is pleased with this news: 'In recent years, the Faculty…

After receiving positive feedback from peers, socially anxious young people feel as confident about themselves as their non-anxious counterparts. 'These young people are then able to handle new social situations more confidently,’ says Leiden psychologist Anne Miers. Her research is published in the…

Parents appear to be extremely sensitive to feedback they receive about their child. Just how sensitive depends on the (‘rose-tinted’) glasses through which they look at their child. All this can be seen in the brain. Neuroscientist Lisanne van Houtum and her Leiden colleagues published on this issue…

The tenth Europa Lecture was delivered by Corinna Wissels, State Councillor at the Administrative Jurisdiction Division of the Dutch Council of State, deputy justice of the Dutch Trade and Industry Appeals Tribunal and member of the EU-UK Withdrawal Agreement arbitration panel.

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Do you often feel drained after a day at the office? The new SPS Monitor measures how sensitive you are to various stimuli. Psychologist Véronique de Gucht developed the questionnaire. 'I want to demystify high sensitivity.'

People who move most in the afternoon and evening are less insulin resistant than people who move mainly in the morning or spread throughout the day. This makes them at lower risk of type 2 diabetes. These are the results that researchers from the Leiden University Medical Center (LUMC) have published…

An international team of researchers led by astronomers from Leiden University (the Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed the disturbances of the Earth's ionosphere. They used the new method to study…

A clean street, public transportation, or taxes: these are all public goods that keep society running. But how do people decide which public good to invest in, if at all? These are the kind of questions PhD student Laura Hoenig explores.

On 8 and 9 July 2022, Leiden Law School hosted the second conference of the Research Group on Institutions for Conflict Resolution (COI).

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

An international team of astronomers, including astronomers from Leiden University, has found the missing link in the path taken by water through star-forming clouds and young stars to comets and planets. They did so with the help of the ALMA observatory in Chile. The researchers published their findings…

Without electronics carrying out computational tasks our daily lives would look very different. Devices such as elevators, vending machines, turnstiles, washing machines and even traffic lights use a simple form of electronic computing to switch from state to state. But, what if power supply is not…

When a bacterium becomes more resistant to one antibiotic, it sometimes becomes more sensitive to another. To better understand this interaction, researchers from the Leiden Institute of Biology (IBL) and the Leiden Academic Center for Drug Research (LACDR) under supervision of Daniel Rozen and Coen…

On 27-28 January 2022, Leiden University’s interdisciplinary seed grant programme ‘Beyond Anthropocentric Interests and Values? Human Rights and Climate Change’ will host a conference on human rights and climate change. Researchers are welcome to join and contribute their view. The deadline for the…

Eduard Fosch-Villaronga and Bart Custers from eLaw - Center for Law and Digital Technologies wrote an article on Fair Medicine and AI highlighting that AI for biomedical research and healthcare should be beneficent and equitable for everyone.

The latest book by political scientist Matthew Longo came out this spring: 'The Picnic: A Dream of Freedom and the Collapse of the Iron Curtain'. In addition to its many favourable reviews, the book received the prestigious Orwell Prize this summer, which highlights exceptional books on politics.

Marloes van Noorloos is appointed Professor of Criminal Law and Criminal Procedure at Leiden University from 1 February 2025.