Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

For the first time in the Netherlands, an exotic insect species is released into the wild to combat a harmful plant species. The Japanese knotweed psyllid should offer relief against the rampant Asian knotweed. Suzanne Lommen of the Institute of Biology Leiden coordinates the field trials.

In recent years, the Walad Djifir from Chad found themselves in a turbulent environment due to the unrest in Nigeria, Libya and the Central African Republic. How did they adapt? Inge Butter explored their situation in her PhD thesis. PhD defence will take place on 2 July.

CML grants three Stans Awards each year, known as the best PhD paper, best student thesis and best outreach from the past year. The CML staff nominated students and colleagues and this year’s jury Helias Udo De Haes and Gjalt Huppes made the final decision.

In his guest lecture on 22 January André Kuipers took school pupils and students on trip through space. His mission was to interest his young listeners in science and technology.

Samen met een groep enthousiaste wetenschappers bezocht ik deze maand verschillende universiteiten en andere kennisinstellingen tijdens een kennismissie in Indonesië.

One of the holy grails of drug research is to be able to assess the safety of chemicals and pharmaceuticals without using laboratory animals. Researchers from Leiden University, among others, now receive a grant from the National Science Agenda to pursue that goal.

On 10 Friday, 'Warm Sweater Day', the central heating in University buildings was set a few degrees lower. Those who are not so warm-blooded could take comfort knowing that there are students who are deliberately keeping the heating turned down the whole winter.

Mapping out the problem of plastic pollution requires a lot of data over a large area. That's why scientists are increasingly turning to volunteers for help, also known as citizen science. But what are the challenges for a researcher when he or she involves the public in research in this way? Four Leiden…

During the 20th anniversary meeting of the Netherlands' Catalysis and Chemistry Conference, Marc Koper received the Netherlands Catalysis and Chemistry Award. ‘The ultimate candidate for the prize’, it says in one of the recommendation letters.

Luning and Hein receiving a LUF grant to research the intricate relationship between infrastructure projects and their impact on geopolitics, economics, politics, and culture in Africa

Private collectors John Steegh and Harrie Teunissen from Dordrecht have donated their entire collection of maps, city plans and atlases to Leiden University Libraries (UBL). In almost 40 years they brought together circa 17,000 map sheets and 2,300 atlases and travel guides. Especially the thematic…

The European Research Council (ERC) has awarded chemist Dr Alexander Kros a Starting Independent Researcher Grant of 1.4 million euro. He will be using the grant to study how molecules penetrate the natural barrier of a cell membrane. If his research is successful, it will in time bring about a revolution…

A jar, filled with water, that functions as an aquarium for fishes while plants or flowers grow on top. Urban Crops, a young start-up company, creates small eco-systems in jars by using aquaponic systems. The 'Ecojar' is a modern decoration in living-rooms and office spaces, but also purifies the air…

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

On 22 May, astronaut André Kuipers opened the new Mediterranean garden in the Hortus. With this water-efficient garden, the Hortus aims to offer inspiration for future- and climate-proof garden planting. Prefect Paul Keßler and scientific director of the Leiden Observatory Ignas Snellen also signed…

Radhika Gupta has received a Consolidator Grant from the European Research Council to study how transnational Islamic charitable networks are entangled with Western humanitarianism and neoliberal welfare frameworks.

On average, Dutch breeding birds have become more numerous in the period 1980-2010. The common species have even done better than birds in other European countries. Farmland birds are an exception: they declined sharply both in the Netherlands and elsewhere in Europe.

What is the best way to restore dune ecosystems? The project TERRA-Dunes researches the role of soil microbes in the development of natural dune areas. Recently, the project went into a new phase: planting 412 oak seedlings grown in different type of soils.

They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.

How do molecules originate and evolve in space? And how does that ultimately determine the chemical composition of planets and their atmospheres? The Dutch Astrochemistry Network (DANIII) receives 1.6 million euros from NWO to find out. A large group of Leiden astronomers and chemists is contributing:…

Toxys, Leiden University and Leiden University Medical Center have agreed immediately to commercialise and also develop further the ToxProfiler technology invented at the two institutions. ToxProfiler allows for rapid toxicity hazard identification of novel and existing drugs, chemicals, and other substances.…

The International Resource Panel of the United Nations Environment Programme, with CML researcher Ester van der Voet as member, has prepared a report called Global Resources Outlook 2019: Natural Resources for the Future We Want. It examines the trends in natural resources and their corresponding consumption…

A fragment of a human skull from the collection of the Dutch National Museum of Antiquities (RMO) and a decorated bison bone, both from the North Sea bed, are rare finds from the end of the last Ice Age. The finds are 13,000 years old and, as such, form the earliest known modern human from the Netherlands…

She narrowly defied bureaucracy and spent days angling for cod. In the North Sea, marine biologist Inge van der Knaap discovered that noise significantly disturbs fish behaviour. ‘There is now a lot of attention for underwater noise.’

Leiden University is seeking bids from developers for housing in Nieuw Rhijngeest-Zuid, the Oegstgeest part of the Leiden Bio Science Park.

Coral reefs throughout the world are under threat. After studying the reefs in Malaysia, Zarinah Waheed concluded that there is room for improvement in coral reef conservation. PhD defence 22 November.

Former archaeology student Ivo Verheijen made a unique discovery in Schöningen in Germany: the almost complete skeleton of an extinct Eurasian straight-tusked elephant. The remains show that our ancestors enjoyed the odd elephant steak. But they weren’t the only ones…

How much energy and greenhouse gas emissions can Dutch homes save? Xining Yang uses Leiden as an example and shows with his research how enormous the impact can be. At least, if we work harder on becoming more sustainable. Based on the models he developed, Yang will receive his doctorate on 28 June.

Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…

The students from the Leiden University Green Office have big ambitions and have outlined their recommendations in a new Green Paper. Like being the most sustainable university in the world by 2030. Students Janey Franssen and Job Kemperman are two of the paper’s authors. How do they want to achieve…

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

Paul Christiaan Flu, originally from Surinam, was a brilliant tropical doctor, who in 1938 rose to the position of Rector Magnificus of Leiden University. The war years brought his lightning career to an abrupt end: his son was murdered and he himself was imprisoned in a concentration camp. A sad family…

The recent ruling by the Amsterdam Court that Schiphol must reduce the number of flights from 500,000 to 460,000 is now ‘up in the air’ following the collapse of the Dutch government. How and when the reduction in flights is likely to take effect is now totally unclear.

Physicists have studied the astrophysical neutrino signal as reported by the IceCube collaboration from a different angle with their ANTARES detector. The Milky Way centre was an obvious prime suspect to be a source, but this hypothesis is now only closer to debunked than confirmed. Publication in Physical…

A plan for the future from green farmers.

IBL-PhD-student Michelle Spierings delivered a great performance at the FameLab national final on the 21st of April. She is now also happy to be back behind her desk.

Biologists Michelle Spierings and Ryan Bogaars are 2 of the 4 winners of the Leiden heat for the international FameLab competition in talking science during a public presentation.

Leiden chemist Marc Koper is the winner of the 2017 Faraday Medal for his significant contribution to electrochemistry, from fundamental science to practical application.

Leiden University is going to partner with the Asian Development Bank, a bank committed to regional development. President of the Executive Board Annetje Ottow signed a memorandum of understanding on this unique partnership in Manila on 27 April.

Tenggat waktu pengiriman extended abstract untuk mengikuti BRIN-LDE Academy diperpanjang hingga 14 Agustus 2022.

With roadworks to widen the A1 motorway near Deventer (province of Overijssel, the Netherlands) now complete, a substantial dispute has arisen between the Municipality of Deventer and the Directorate-General for Public Works and Water Management (Rijkswaterstaat, RWS). The municipality is demanding…

On Friday evening 17 September, Leiden astronomer Joe Callingham can be seen in a new series on Discovery channel. Killers of the Cosmos is about different deadly dangers lurking in the depths of space. Asteroids, cosmic debris, electromagnetic weapons… The show takes a film-noir approach to these threats,…

Microplastics are small pieces of plastic found in the environment. At CML research have been conducted in the distribution of these plastics on beaches around the world using citizen science. In addition, CML is conducting in depth case-studies in the Caribbean and along the Dutch coast. Follow-up…

Chris Jacobs, former PhD-student of the IBL, received the national “Dissertation Award” for best PhD thesis of the year on insects. The award was handed out last Friday, the 18th of December, by Professor Matty Berg, president of the Dutch Entomological Society.

Leiden University continued to reduce its carbon footprint in 2021 by being more careful with natural resources and making structural reductions to its energy consumption. This is what it says in the Sustainability Report 2021.

Academics who offer their books free online reach many more readers and are cited slightly more often. Surprisingly enough, it has little effect on the sale of paper editions, positive or negative. This is the conclusion of PhD candidate Ronald Snijder. PhD defence 29 January.

On 20 April 2017 Jorrit Rijpma, Eugenio Cusumano, and Melanie Fink organise a Workshop to discuss the legal and policy implications of the surge in privately conducted search and rescue operations in the Central Mediterranean. The Workshop takes place in cooperation between the Law School and the Faculty…

On January 24 Professor Annemarie Meijer and Dr Sander Wezenberg received a NWO grant for their research. The grant was awarded within the Open Competition Domaine Science-M programme and is intended for innovative research areas that can form the basis for the research themes of the future.

Paul Behrens (Leiden University) and Matthew Hayek (New York University) have responded to an FAO report on livestock pathways which misrepresented the potential for dietary change to reduce emissions from the food system. The authors have sent a letter to the FAO calling for an urgent retraction on…