In the BNR Newsradioprogram De Nieuwe Wereld, professors Aske Plaat (Data Science) and Catholijn Jonker (Explainable AI) of the computer science institute of Leiden University discuss about decisions made by computers. From self-driving cars to intelligent soap pumps: should we be able to follow the…

Sufyan Al Karaimeh, a guest researcher at the Faculty of Archaeology, is currently involved in the Aerial Archaeology in Jordan (AAJ) Project. Over the past 25 years, the individuals involved in this project have not only compiled an expansive collection of photographs but have also helped discover…

Heb jij je al ingeschreven voor Groene Peper?

Researchers need to work in specialized environments when they work with dangerous bacteria and viruses. These microbes spread easily, so only in labs with a high biosafety levels they can be studied. Unfortunately, to look at the microbes properly, expensive microscopes are needed that are not always…

Astronomers have captured a new deep field of Pandora's Cluster (Abell 2744) with the James Webb Space Telescope. The images show never-before-seen details. The results are described in four scientific papers. Leiden astronomers Marijn Franx and Mariska Kriek collaborated on the study. 'This opens a…

Reseachers of the Institute of Environmental Sciences Leiden (CML) have contributed to a debate in the Journal Nature over whether lions in Africa can only be saved with dollars and fences.

Over poep, pies en de beerput

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…

For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…

In a recent study, Dr. Moji Aghajani and colleagues show that adolescents with a severe form of Conduct Disorder (CD) -with limited prosocial emotions- require an unusually large amount of brain capacity to read emotional faces. These effects were found in comparison to CD youth without limited prosocial…

This autumn Leiden University is launching eight new MOOCs (Massive Open Online Courses) that are available free to the general public. You can follow courses on the theory of evolution, mindfulness, political economy, international law, music, cultural heritage or archaeology.

Jus post bellum, the body of laws and norms governing the transition from armed conflict to peace, has emerged as a crucial issue for international law scholars, governments, and all concerned with building a just and sustainable peace. The Jus Post Bellum Project, funded by the NWO and hosted by the…

Pharmacologist Rob van Wijk is the Highlighted Trainee Author in the October 2019 issue of the Journal of Pharmacology and Experimental Therapeutics. In his research, Van Wijk aims for a new paradigm by combining experimental work and computational data analysis.

Een minuscuul cirkelvormig stukje DNA zorgt ervoor dat de darmbacterie Clostridioides difficile resistent raakt tegen een veelgebruikt antibioticum. Dat ontdekten wetenschappers van het Leids Universitair Medisch Centrum (LUMC) nadat artsen hen attendeerden op een patiënt met een moeilijk behandelbare…

The Indonesian government has been trying to enforce marriage and divorce laws for some time. These efforts are encountering resistance from both local communities and the Indonesian Supreme Court. PhD candidate Al Farabi investigated where this resistance comes from.

To what extent is sound a stressor to fish? And are behavioural and physiological phenotypes equally sensitive to disturbance by noise pollution?

The research group ‘Quantum and Society’ explores the boundary between quantum technology and science communication.

The Faculty of Science adopted an action plan Diversity and Inclusiveness in 2015. In this action plan, the Faculty commits to a number of actions to further improve diversity and inclusion for staff and students, such as more female full professors at the faculty, and encourages initiatives that foster…

This project explores the decline of shifting cultivation in Northeast India. What is the impact on society of people’s deepening engagement with markets and the state?

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

Archiving Medieval and Post-Medieval Archaeological Fieldwork Data from the Eastern Mediterranean (600-2000)

Under what circumstances is politicization more likely to occur than others, and what impact does politicization have on government legitimacy and performance?

Vaccines are an extraordinary category of biopharmaceuticals. They are usually prophylactic and come in many types, from whole bacteria to peptides and nucleic acids. They are very cost effective and almost every human on the planet is vaccinated. The latter mandates that vaccines have to be extremely…

While many healthcare professionals indicate that they frequently use placebo effects and their mechanisms, there is little formal training on how to deal with placebo and nocebo effects in clinical practice. This project aims to address this gap between scientific knowledge on placebo and nocebo effects…

Read about experiences of former students.

An Investigation into the role of copper-alloy craft production in the early medieval economy of northwest Europe.

Human trafficking is a very topical social problem, which because of both its social and legal complexity, can only be studied in an interdisciplinary way. Combating human trafficking currently features high on national and international policy agendas.

This special issue of the peer-reviewed journal Amsterdamer Beiträge zur älteren Germanistik (Brill, 2021) brings together articles that explore new digital ways of analyzing and annotating Old English vocabulary.

Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…

How can teachers best learn from each other and develop? Jacobiene Meirink is conducting research on professional development for teachers in secondary education. She is particularly interested in how teachers collaborate on and learn from the development of teaching programmes. More insight into effective…

How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?

A linguistic reconstruction of the migration of the Tocharians from Europe to China

To be eligible for Mathematics at Leiden University, you must meet the following admission requirements.

When to launch a next-generation product in a competitive market and how much capacity should be allocated to it

The coastal site of Butrint is situated on a peninsula in south-western Albania, opposite the island of Corfu and Apulia in southern Italy (across the Adriatic Sea). In Medieval times, Butrint served as a connecting bridge between East and West – between Byzantium and the Latin world.

To be eligible for Mathematics and Education at Leiden University, you must meet the following admission requirements.

What is the Fine Mechanical Department?

The maximum number of students that can be enrolled in the first year of the programme of the master Biomedical Sciences at LUMC is 100.

The Cryogenics Department has a liquid helium production unit and an automatic liquid nitrogen filling plant.

Course, Terra Incognita Masterclass

Ten Leiden researchers have been awarded a Veni grant by the Dutch Research Council (NWO). The grant, of up to 280,000 euros, will enable them to elaborate their ideas over a period of three years.

It sounds futuristic, but it is possible: the creation of miniature organs of patients in order to study them and see how diseases develop and can be treated. This is what researchers from the LUMC, Twente University (UT), UMCG, TU Delft and the Hubrecht Institute hope to achieve in the next ten years…

The Royal Netherlands Academy of Arts and Sciences has elected five Leiden professors from different disciplines as new members. Two of the new members are women.

Director General of ESO, Tim de Zeeuw received President of the Republic of Chile, Michelle Bachelet Jeria for a ceremony marking the first stone of ESO’s Extremely Large Telescope (ELT).

Christmas is coming, which means that 'Our Talents and Discoveries 2016' has been distributed. This also means that it is time to vote for the 'Discoverer of the year 2016'. Each of the eight institutes nominated one researcher that excelled in the past year. Who is your favourite?

Researchers at Leiden University and TU Delft have combined two techniques that are used to measure the structure of biomolecules, creating a method that is ten times more sensitive.

An all-optical transistor, a molecule-sized sensor and a new kind of single-photon source for quantum communication. All dreamed applications of fundamental physics that are one step closer thanks to Robert Smit. On 12 June, he defended his PhD thesis with distinction.