A team led by Leiden University in the Netherlands and the National Radio Astronomy Observatory have, for the first time, robustly detected semi-heavy water ice around a young sunlike star. In this ice, some of the ordinary hydrogen atoms have been replaced by deuterium, a heavier variant of hydroge…

Underwater noise from seismic surveys affects the behaviour of Atlantic cod. These are the results of research by Leiden biologists in collaboration with colleagues from Belgium. During such surveys the fish are less active than usual and their circadian rhythm is disrupted; soon after exposure they…

Wouter Veenendaal, a political scientist at Leiden University, is an analyst for the Freedom House report. Freedom House is an American non-profit organisation dedicated to democracy, political freedom and human rights. In short, the report describes the degree of freedom and the state of democracy…

For the Bachelor Honours Class 'Mass Extinction', students produced podcasts about the past, the present and the future of mass extinctions. What exactly is lost when a species goes extinct? What are the practical consequences? But also: does humanity have the moral duty to protect other species?

Just a few weeks until a festival full of exciting science activities bursts into life in Leiden. From January the city will be European City of Science for 365 days. Many researchers are enthusiastic participants. ‘I see it as an opportunity to help people feel the joy of discovering something new…

From molecular ping-pong to cassava in the Amazon, and from extraterrestrial life to special antibodies. Twenty-five researchers from Leiden University have been awarded a Veni grant from the NWO. A grant of up to 250,000 euros will give them the opportunity to further elaborate their own ideas over…

Lotte van Dillen has every confidence in the Executive Board of new-style Institute Psychology. ‘If we work on the basis of everyone’s good intentions, we’re going to do great.’ If you lack confidence, you’re not the kind of person to jump on your bike and go off to Sicily. Want to find out more about…

Simon Portegies Zwart, professor of Computational Astrophysics, uses computers to simulate the evolution of stars. We speak with him about his field and about the challenges of working with huge amounts of complex data.

Prosecutor Karim Khan has asked the Pre-Trial Chamber at the International Criminal Court in The Hague to issue arrest warrants against Israeli Prime Minister Benjamin Netanyahu. Larissa van den Herik, Professor of Public International Law, discusses the case on Dutch radio programme ‘Nieuws en Co’.

Professor Barend Mons has been appointed Chair of the Commission High Level Expert Group

An MRI scanner is much more than a machine alone. It is an extremely versatile technique that provides numerous opportunities for finding out more about the workings of the human brain, says Thijs van Osch, Professor of Radiology, with a particular emphasis on experimental cerebrovascular imaging. Inaugural…

Nico Schrijver, voorzitter van het College voor de Rechten van de Mens en emeritus-hoogleraar internationaal recht, was te gast in Nieuwsuur over het dringend CRM advies met betrekking tot het Gaza-conflict. ‘Nederland is volgens het internationale recht verplicht om actief op te treden bij dreigende…

Compared to its European neighbouring countries, the Netherlands undertake relatively few attempts to bring back women and children from Iraq and Syria. De Roy van Zuijdewijn explains why on Dutch NPO 1 radio.

Wereldwijd worden veel samenwerkingsverbanden met Rusland stopgezet vanwege de oorlog in Oekraïne. Hoe zit dat met de ruimtevaart, waar de Russen ook een groot aandeel in hebben?

Individual molecules are extremely hard to see through feeble fluorescence. Tiny gold nanorods serve as new antennas to intensify their signal 500 times. Publication on 24 February in Angewandte Chemie.

The KNIR has awarded Elisa Goudriaan the Ted Meijer Prize for her dissertation The Cultural Importance of Florentine Patricians. Cultural Exchange, Brokerage Networks, and Social Representation in Early Modern Florence and Rome (1600-1660).

Consensus among Member States on the return of failed asylum seekers is currently lacking. For that reason, the Head of the European Commission, Ursula von der Leyen, wants new legislation that provides for a uniform policy. Armin Cuyvers, Professor of European Law, commented on the issue on Dutch radio…

Pre-university students at the course Popular Music: Selling Rebellion have released a podcast series on Spotify!

Each week, Dutch radio programme BNR Lobbypanel discusses a topic at the intersection of politics and entrepreneurship. From 2020 Arco Timmermans, Professor by special appointment Public Affairs, will participate each month in the BNR Lobbypanel discussions. This week Timmermans joined the discussion…

Bright explosions appear all over the radio and gravitational-wave sky. This dynamic side of the universe which has just been discovered, can be mapped by self-learning machines. The National Science Agenda granted 5 million euro’s to CORTEX, the Center for Optimal, Real-Time Machine Studies of the…

Dutch Parliament members are reluctant to discuss their urgent need for more support staff. They are afraid to be labelled as “greedy” or profiteers if they were to put in a request for more assistance. But times seem to be changing.

The Royal Netherlands Academy of Arts and Sciences (KNAW) announced on 25 April that it has appointed 18 new members. These include Leiden professors Andrew Webb and Jos Raaijmakers.

Libraries in the Netherlands are removing books that contain references to Black Pete. According to the director of the Public Library Association, a logical and fitting response in the spirit of the times.

The book 'Darwin comes to town’ by Menno Schilthuizen has been awarded the best nature book in the Netherlands. The Leiden biologist received the Jan Wolkers Prize, awarded annually by Dutch TV and radio show 'Vroege Vogels'. In his book Schilthuizen describes evolution in one of the newest and most…

At the recent UN summit in Geneva, representatives from more than 180 countries failed to reach a global plastics agreement. Esther Kentin, a lecturer at Leiden Law School, spoke to media outlets on the issue: ‘Human health is at stake.’

Several media published articles on the latest research from a team including Thijs Bosker, Associate Professor Environmental Sciences, last week. The research has shown that whales in the vicinity of Auckland New Zeeland consume three million microplastics a day.

It is not possible for juvenile courts to properly assess whether it is necessary to place a child in care. This is evident from a fact sheet that has been prepared by legal scholars from Leiden University, commissioned by the Dutch House of Representatives and others.

On 28 February, Professor E.W. Meijer, member of Leiden University’s Board of Governors, was appointed Commander in the Order of the Dutch Lion.

Bibi van den Berg, Professor of Cyber Security Governance at the Institute of Security and Global Affairs (ISGA), has been interviewed by Financieel Dagblad (FD) and BNR Nieuwsradio about the considerable shortage of cyber security specialists in the Netherlands. Van den Berg warns of a brain drain,…

Nikki Sterkenburg, external PhD candidate at the Institute of Security and Global Affairs in The Hague, was interviewed by the NOS programme Nieuws & Co about the meeting of Thierry Baudet with Alt-Right movement Jared Taylor. 'If Baudet would have wished to stay aloof of this movement, he shouldn’t…

On 14th April the ARC session Sound, Technology and Listening, dedicated to the presentation of work carried out at the Institute of Sonology at the Royal Conservatoire, took place through an online public platform. Four students from the second-year research master's at the Institute of Sonology did…

Europe's open borders are under pressure: Europe has an increasing number of Member States with governments calling for tighter border controls. Several political parties in the Netherlands are also calling for stricter border controls, among other things, to reduce the number of asylum seekers. Yet,…

The coronavirus pandemic has spelt disaster for some businesses, while others have seen their profits soar. This has led to politicians to consider introducing a ‘corona’ tax where the winners from the pandemic will help the losers get back on their feet.

If we want tax evasion to become a thing of the past then there has to be more balance in how tax advisers are educated, according to tax professors Jan Vleggeert and Jan van de Streek.

Each month, Arco Timmermans participates in Dutch radio programme BNR Lobbypanel to discuss a topic at the intersection of politics and entrepreneurship. On 10 December 2019 he told about the discrepancy between the interactions of MPs and the civil service with lobbyists.

A flood of news reports, push notifications and even extra news broadcasts: on Wednesday, the world was shocked by the storming of the Capitol in Washington. Americanist Sara Polak discusses the events.

Germany wants to ‘modernise’ the law of the sea to tackle Russian ships that evade sanctions as part of the so-called ‘shadow fleet.’ The current legal framework is not adequate enough to confront the shadowfleet benefiting from states with open ship registries. Hilde Woker, expert in the law of the…

Together. If we look back on the corona crisis some time from now, that will have been the keyword in the political communication, says Arco Timmermans. Having allies is imperative, especially in these times.

Ukraine has filed an innovative claim against Russia at the International Court of Justice (ICJ). Ukraine asked the court to rule that it has not committed genocide and that a war initiated based on a false genocide claim was unlawful. Larissa van den Herik, Professor of Public International Law, discussed…

Terwijl NAVO-landen hun defensiebudgetten fors verhogen, ontstaat ruimte voor start-ups om innovatieve technologie te leveren. De flexibiliteit en snelheid maken hen aantrekkelijk voor defensie, maar de opmars brengt ook risico’s met zich mee, waarschuwt Louisa Handel-Mazzetti, promovenda bij Lucht…

How did Google’s computer programme AlphaGo become so good at board game Go that it could defeat the world champion? On June 29, developer Aja Huang will speak about this during a lecture in the Gorlaeus building.

Nieuwscheckers, a team of journalist fact-checkers from Leiden University, received the Mr. K.J. Cath Prize at the opening of the academic year on 5 September. This biennial prize is awarded to students or staff who have enhanced the University’s good name.

America will not be choosing the next President until 8 November. Nonetheless, election fever is already running high. University lecturer and political commentator Kees Boonman explains the phenomenon and shows what Dutch politicians can learn from it.

Leiden University is awarding an honorary doctorate to virologist Marc van Ranst. Van Ranst has been one of the main advisers of the Belgian government during the Covid pandemic. German Arabist Beatrice Gründler will also receive an honorary doctorate for her work in the field of Oriental Manuscript…

De VN-Veiligheidsraad kwam maandag 5 januari bijeen over de Amerikaanse militaire actie tegen Venezuela, waarbij de Venezolaanse leider Nicolás Maduro gevangen werd genomen en overgebracht naar de VS. Hoogleraar internationaal recht, Larissa van den Herik, zegt voor de NOS geen veroordeling van de VS…

Iran is experiencing severe unrest with millions of people protesting against the strict regime. Opponents of the regime are now working on a blueprint for a new Iran, including Afshin Ellian, Professor of Jurisprudence, who appeared on ‘Sven op 1’.

The Dutch Public Prosecutor is investigating two mothers from Stadskanaal who are suspected of severe child abuse. Mariëlle Bruning, Professor of Children and the Law, commented in news outlets about the case and similarities with the abuse case in Vlaardingen.

Tussen de sterren is niet alleen leegte. Er zweven ook stoffen als methanol en koolstofdioxide. Chemische theorieën kunnen nog niet verklaren hoe die zijn ontstaan onder omstandigheden die dat juist onmogelijk zouden moeten maken. Fedor Goumans gaat met een Veni-beurs proberen die vraag te beantwoor…

During the Faculty of Science New Year's reception, Daniël Rozen was named Discoverer of the year 2015. Nienke van der Marel and Koen van der Maaden both won the prize for the best dissertation and Jeroen van Smeden was named Best Teacher of 2015.

Your own food truck, working from the comforts of a tropical beach in Bali, or a permanent job? Children, living together, getting married, a registered partnership? Thirty-somethings have a lot to think about. On Monday 16 April, Psychologist Nienke Wijnants gave a popular lecture to 120 young alumni…