What’s the fate of our sun, when in 5 billion years from now our Milky Way will clash with the Andromeda Galaxy? Leiden astronomers have been working on calculations on this collision. They recently gave a visual sneak preview on a big tech conference.

On 12 November Ingrid Leijten was a guest on Dutch NOS NPO Radio 1 programme Met het Oog op Morgen. She was asked to speak about the right to freedom of expression.

Bert Koenders, Professor Peace, Justice and Security at the Institute of Security and Global Affairs (ISGA) appeared live on the ‘BNR de Wereld’ special broadcast ‘De Grote Vredesshow’ (The Great Peace Show). The radio show was hosted live from Wijnhaven in collaboration with the Faculty Governance…

In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.

In the Netherlands dozens of Eritrean minor refugees are wandering the streets, even though minor asylum seekers have a right to asylum.

Promotor: A. Achúcarro Co-promotor: A. Boyarsky

Promotor: J.S. Kaastra Co-promotor: E. Constantini

These are the proposed research projects for LEAPS 2019. Please note that not all projects will go ahead and some may still be added in the near future. Final funding decisions lie with the Faculty sponsors. And please make a note that if you are interested in an ESA project, to check if your state…

In the Netherlands, anyone who loses their passport or ID card too often can be added to the Passport Alerts Register. As a result, a passport application may be denied or the passport must be surrendered. Rowie Stolk, PhD candidate at the Department of Constitutional and Administrative Law, spoke on…

This thesis develops a method for direction dependent calibration of the ionosphere in radio interferometric data.

Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…

Three major cosmology-focused missions are planned for the next decade: the Euclid space telescope, the Vera C. Rubin Observatory in Chile, and the Nancy Grace Roman Space Telescope.

Last week, a large number of farmers came to The Hague to ask attention for the problems they are faced with. They certainly received a lot of attention but does this mean their problems are actually being addressed?

Promotor: Prof.dr. S. Portegies Zwart

On 15 September, Democracy Day, Michael Klos, researcher/teacher at the Department of Jurisprudence of Leiden Law School appeared as a guest on Radio Weetlust.

Within the two-year Astronomy master’s programme, you can choose from seven specialisations, ranging from fundamental or applied astronomy research in cosmology, instrumentation or data science, to combinations of astronomy research with education, management or science communication.

Nadia Soudzilovskaia (CML), Martijn Bezemer (IBL / NIOO) and Harrie van der Hagen (ecologist at Dunea) gave an interview to NPO1 Radio about the TERRA-Dunes project.

In the BNR lobby panel, a topic is highlighted every week that lies at the intersection of entrepreneurship and politics. Arco Timmermans, Professor by Special Appointment of Public Affairs, talks about the effect of Brexit on lobbying in the EU.

Following the announcement of the second economic aid package by Dutch Ministers Eric Wiebes, Wopke Hoekstra and Wouter Koolmees, Arco Timmermans discussed the content of the government's second economic package on the Dutch radio programme BNR Lobbypanel.

Assistant Professor Space Law Tanja Masson-Zwaan appeared as a guest on the Radio Weetlust programme of local Leiden radio station Sleutelstad FM. She talked about, among other things, who does the moon actually belong to and why we all would like to go there so badly.

Water fleas and damselflies are much more sensitive to crop protection products in nature than in the lab. These test results from the Living Lab were presented by Henrik Barmentlo and Martina Vijver in Dutch radio show Vroege Vogels.

On 17 October, Armin Cuyvers, associate professor of EU law at Leiden Law School, was a studio guest on the Radio 1 show ‘Een Vandaag’.

On 2 July, Armin Cuyvers was interviewed on the morning news show of BNR News Radio on the ongoing fight for the EU top jobs: why is it so hard to choose a new president for the European Commission, what is happening behind the scenes, and what are the chances of Frans Timmermans?

There are certainly ten airlines who do not carry out an identity check in the Schengen area upon check-in.

Recycling of post consumer plastic waste is problematic in that the environmental benefits are questionable and the costs are significant. It would be better to separately collect the most useful parts through the expansion of the deposit system.

Hungarian Prime Minister Viktor Orbán addressed the Conservative Political Action Conference (CPAC) in Texas last week. University lecturer Andrew Gawthorpe explains in an interview with ABC Radio what the embrace of 'Orbánism' means for the American right, and democracy more broadly.

Sanneke Kuipers and Dyonne Niehof wrote a blog about 'The Resilient City'. They describe the resilience of a city such as New Orleans after Hurricane Katrina and also provide insights of social capital and the resilience of The Hague.

Moldavia is going through a governmental crisis. Antoaneta Dimitrova was asked to clarify the events on the Dutch radio programme ‘Bureau Buitenland’. She commented on the current political relations but also issued a warning: ‘Panic is rising, there is a real danger of conflict in the country.’

Lecturer Michiel Luining appeared as a guest on a EU panel on the Dutch BNR Radio programme ‘Zakendoen’. During the item the ongoing political games surrounding the EU top positions after the European Elections held in May 2019 were discussed.

Several media outlets made mention of an accord on the proposal for a 'verplichte arbeidsongeschiktheidsverzekering' (mandatory occupational disability insurance) for ZZP'ers (self-employed persons), which is part of the 'pensioenakkoord' (Dutch agreement on pension reform).

Leiden University announced on 19 March 2020 that there would be no more face-to-face teaching for the rest of this academic year. That was a big decision with big consequences, but students in Leiden are staying positive and trying to make the best of it. Read on to be inspired by how Leiden students…

Employers are calling on rules to be relaxed on labour migrants from outside the EU as a way of attracting more labour migrants to solve staff shortages. Professor of Economics Olaf van Vliet explains on Dutch radio new programme BNR Nieuwsradio that there are various options to reduce staff shortag…

British novelist Sarah Perry picked Anna Scott as one of her favorite musicians for the program Private Passions on BBC Radio 3.

On 30 July, Jorrit Rijpma spoke on Dutch BNR news radio programme Spitsuur about the call from ANVR, the Dutch travel sector organisation, for European travel guidelines to be provided.

Annelien Bouland, PhD candidate at the Van Vollenhoven Institute for Law, Governance and Society, was interviewed by VPRO Bureau Buitenland (NPO Radio 1) about the Senegalese TV Series 'Mistress of a married man' (‘Maîtresse d’un homme marié’).

The Dutch public broadcasting organisation NPO has asked State Secretary for Culture and Media Gunay Uslu to revoke the licence of Ongehoord Nederland. Wouter Hins, emeritus professor of media law, explains how unique the NPO’s request is.

Smart algorithms and powerful processors are just as essential for astronomy as big telescopes. Astronomers at Leiden University therefore constantly operate at the interface between astronomy and data science.

Promotor: P. T. de Zeeuw, Co-promotor: N. Neumayer; G. van de Ven

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

De crèche en het klaslokaal zijn misschien wel de meest gunstige plekken voor ziekteverwekkers. Toch is er relatief weinig bekend over hoe kinderen reageren op virussen en bacteriën en hoe het komt dat sommige kinderen veel beter beschermd zijn dan anderen. Simon Jochems, onderzoeker aan het Leids Universitair…

Ben de Jong, a guest lecturer at the Institute of Security and Global Affairs, appeared as a guest on NPO Radio 1 to discuss number stations that are used to send secret messages to spies in enemy territories.

A marathon session took place in Brussels from Sunday 30 June to Monday 1 July to decide who would become the new President of the European Commission. Arco Timmermans, Professor by special appointment Public Affairs at the Institute of Public Administration at Leiden University, appeared as a guest…

On 7 February 2021, Christa Tobler appeared on the BBC Wales radio programme 'Sunday Supplement' (a political and current affairs programme), entitled 'Covid, homelessness and votes for women'. The 50th anniversary of Swiss women's suffrage at the federal level, is commemorated on 7 February 2021.

In a one-hour interview on Dutch radio programme Sleutelstad, Anne-Laura van Harmelen talks about her research into the role friendships in adolescents' well-being, the resilience paradox and the role of social, hormonal and genetic factors in stress-levels and resilience.

On Thursday 12 December, the day of the UK general election, Armin Cuyvers was interviewed by BNR Nieuwsradio.

Over the past 40 days people in Bulgaria been demonstrating against the deep-rooted corruption in the country. The anger of the protesters is directed predominantly at the government of Prime Minister Borisov. But not all arrows are aimed at their own leaders, some are also pointing towards Brussels.…

On Wednesday 11 December 2019, Marieke Liem, Associate Professor, appeared as a guest on the NPO Radio 1 podcast. The central topic of the podcast was risk perception among the Dutch population.

There is a lot of unrest in the Western Sahel at the moment as a result of growing Jihadism and terrorist attacks. Stability and security in the region are falling apart making room for growing radicalisation. But what do you need to look out for in order to be able to recognise radicalisation and what…

Research by cyber security company Symantec shows that two-thirds of the hotels worldwide are unwittingly leaking client information to third parties. These data leaks providing booking information could cause several security risks.