Benjamin Scott, master student Air and Space law in Leiden, was given a unique chance by Professor Pablo Mendes De Leon. Benjamin was allowed to edited “The Law of Unmanned Aircraft Systems”. In close collaboration with the professor, staff of the International Institute for Air and Space Law at Leiden…

This project aims to explore and examine the factors that impact upon the efficacy of information disclosure duties pertaining to customer data use in online business.

Knowledge and culture subproject 2: "Language and number" of Leiden University Centre for Linguistics

Knowledge and culture subproject 4: "Poetry, rhythm, and meter" of Leiden University Centre for Linguistics

With cancer, the immune system is a double-edged sword: it can attack tumour cells, but can also help them grow and spread. It is a question of harnessing it. This is what Professor Karin de Visser argued in her inaugural lecture on 15 November 2019.

In this thesis, we extend the concept of null models as canonical ensembles of multi-graphs with given constraints and present new metrics able to characterize real-world layered systems based on their correlation patterns.

Scientists often need to make sense of complex systems without knowing the important parameters or even without access to all the information. A collaboration of network theorists, including Diego Garlaschelli (IMT Lucca/Leiden), has now published a review article in the inaugural issue of Nature Reviews…

The project concerns the nature, the usages and functions of pictographic systems in relation to writing in societies with (restricted) literacy.

Ben Wielstra studies balanced lethal systems, in which half of the offspring die before birth. In the journal Current Biology, he explains in an accessible way how such a disadvantage can originate in nature.

Ben Wielstra strives to unravel the evolution of balanced lethal systems. On 1 February he started his own lab at the Institute of Biology Leiden. Wielstra is one of five researchers at Leiden University who has been awarded an ERC Starting Grant in 2018 by the European Research Council. ERC Starting…

Joost Grootens contributes the introductory essay ‘Charles Joseph Minard: Critical Practice’ to the book ‘Le Système Minard’ on the French pioneer in the representation of statistical data in the 19th century.

For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…

About 15 km to the south of the ancient city of Petra, archaeologists from the University of Leiden have discovered an impressive network of ancient water conservation measures and irrigated field systems.

International research agency Mercer has once again named the Dutch pension system the best in the world. Denmark comes second, and third place is for Australia.

On 1 January 2021, a major youth care centre in the Dutch province Zeeland will close its doors. It is responsible for implementing child protection measures. As a result, it is likely that the care for around 1100 children will come under threat. Vulnerable children will face changes to the authorities…

On 25 January 2018, at 16:15 hrs, Yannick van den Brink will defend his doctoral thesis titled ‘Voorlopige hechtenis in het Nederlands jeugdstrafrecht’ (‘Pre-trial detention in the Dutch juvenile justice system’) at the Academy Building of Leiden University. The doctoral research is supervised by Professor…

All comets might share their place of birth, new research says. For the first time ever, astronomer Christian Eistrup applied chemical models to fourteen well-known comets, surprisingly finding a clear pattern. His publication has been accepted in the journal Astronomy & Astrophysics.

On Tuesday December 19, Museum Boerhaave, the Lorentz Center and eLaw organize a public lecture on ‘Fairness and Accountability of Sociotechnical Algorithmic Systems’.

The immune system plays a paradoxical role in the spread of breast cancer. Some immune cells contribute to metastasis, while other cells can be activated to strengthen the effect of chemotherapy. Kelly Kersten made this discovery in her PhD research. PhD defence 7 February.

Due to a major telephone disruption, 112 was unavailable for hours on Monday 24 June. At Albert Heijn, Tuesday 25 June, cash registers refused service. Bibi van den Berg, professor in Cyber Security Governance at the Institute of Security and Global Affairs, looks back on aspects of the disasters of…

Prof. Ton Liefaard and dr. Stephanie Rap (together with Apollonia Bolscher LL.M.) are involved in developing a training Toolkit and Manual for the project Improving Juvenile Justice Systems in Europe: Training for Professionals (JUST/2013/FRC/AG).

Linguist Sara Petrollino has written the first detailed grammar of Hamar, a language spoken in south-west Ethiopia that has some unique characteristics. PhD defence 10 November.

Promotores: Prof.dr. J. Kuiper, Prof.dr. P.H.A. Quax

How do national legislatures incorporate and embed the rules and principles that enter the private law system?

Political scientist Ruud Koole (Institute Political Science, Leiden University) has been appointed to a state commission that will investigate whether the Dutch parliamentary system and the parliamentary democracy need to be reformed.

The database research community has made tremendous strides in developing powerful database engines that allow for efficient analytical query processing.

Promotor: Prof.dr. E. Deprettere

NWO-ALW has funded the project Climate impact on human evolution: age calibration of the ICDP Hominin Sites and Paleolakes Drilling Project (HSPDP), led by PIs Cor Langereis and Guillaume Dupont-Nivet (Utrecht University).

Identifying the gaps in the legal framework for EU activities in the maritime security domain, and specifically in the areas of combating piracy, human smuggling or trafficking and drug trafficking.

A group of chemists, that includes Sander van Kasteren and Hermen Overkleeft, has discovered that azides, a certain type of chemical compound, can determine whether or not T cells respond to or ignore a vaccine. Their discovery is set to be published in Angewandte Chemie.

Should the media refer to a criminal’s ethnicity? Law students held an online afternoon symposium on discrimination in the criminal justice system – and, while they were at it, society at large.

Knowledge and culture subproject 1: "Music Cognition" of Leiden University Centre for Linguistics

An international team led by Leiden astronomers has taken the first-ever image of a young, Sun-like star accompanied by two giant exoplanets. The researchers used The European Southern Observatory’s Very Large Telescope for this, known as ESO’s VLT. Images of systems with multiple exoplanets are extremely…