Anthropologist Bart Barendregt is participating in a new Indonesian study program that focuses entirely on the Indonesian digital society. The Radio 1 NPO program Focus interviewed Barendregt 'live' from Java about his research on social media, Islam and boy bands.

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.

Together with colleagues and students, Professor of conservation biology Geert de Snoo studies the decline of the lion population in a national park close to Kenia's capital city, Nairobi. He discusses how they try to protect the lions on radio Sleutelstad FM.

On Friday morning, 8 June, Thijs Bosker, Associate Professor at Leiden University College, was interviewed by NPO Radio 1 on plastic pollution in Antartctica: ''Anually, an additional 4 - 12 billion kilos of plastic ends up in our ocean''.

Frank Takes, Assistant Professor at the Leiden Institute of Advanced Computer Science (LIACS), analyses the flow of funds in our economy using big data. With Jort Kelder, he discussed the value and importance of these data on NPO Radio 1.

Olivier Nieuwenhuijse, project leader of the project Focus Raqqa, was hosted by the NOS Radio 1 news broadcast on February 16, 2017.

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

Maartje van der Woude, Professor of Law and Society, was a guest on NPO Radio 1 programme 'Spraakmakers' to talk about more border fences on the EU’s external borders and the usefulness of such measures. She was also a guest on 'Vroeg!' to discuss a court case about ethnic profiling.

Marieke Liem is an Associate Professor at the Institute for Security and Global Affairs of Leiden University in The Hague. She was interviewed by local Leiden radio programme ‘Sleutelstad’ about her research into murder cases in the Netherlands.

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…

Companies like Facebook and Google make billions of dollars by selling or using our personal data. The data could be used by many different entities for many different reasons: from universities for research, to brands for creating targeted ads. But rather than just giving their data away to these companies…

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.

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.

An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.

Promotor: Prof.dr. S. Portegies Zwart

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

Nowadays, it is well known that hydrogen and helium (and small traces of lithium and beryllium) were created shortly after the Big Bang, while the heavier elements are created in the cores of stars at different evolutionary stages. When these stars explode as supernovae, they expel metals synthesised…

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

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…

PhD defence

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.

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…

‘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.’

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.

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…

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.

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.

Promotor: Prof.dr. J. Schaye, Co-promotor: Marcello Cacciato

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).

best phd theses of the faculty of science Leiden - physics, chemistry, computer science, biopharmaceutical sciences, biology, industrial ecology, environmental sciences, astronomy, mathematics

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

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.

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…

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.

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.

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.

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.

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.’

The Israel-Palestine conflict regularly sparked intense debates in university lecturer Noa Schonmann's classes. She decided to start a podcast with journalist Rajaa Natour to teach her students to have deep and difficult conversations in a nuanced way.

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’.

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

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 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?

Two Leiden astronomers will receive the prestigious IAU PhD Prize. Both Jorryt Mathee and Niels Ligterink of the Leiden Observatory won a prize. Scientific director Huub Röttgering: We are proud that this year two of our PhD students receive an IAU prize for the best thesis in their field of researc…

At the largest scales, two ingredients dictate the distribution of matter in the Universe. The first is dark matter, acting as an invisible scaffolding held together by gravitational forces.

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.

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.

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 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.