Macrophages – the front line of our immune system – protect us from infections. But in the case of the tuberculosis bacteria, this often goes wrong. The group of Annemarie Meijer from the Leiden Institute of Biology has now discovered that macrophages in zebrafish are better able to eliminate tuberculosis…

The logic seems inescapable indeed. The bigger the population, the higher the probability it contains an Einstein. Hence, bigger populations are more likely to develop complex culture.

More and more people worldwide have infections caused by bacteria that are resistant to many types of antibiotic. Why is this and how big of a problem is it?

Leiden University has awarded its prestigious University Medal to Emeritus Professor Lex van der Eb. As a pioneer in genetics and molecular biology, he received this honour for his services to science and his key role in the development of the Leiden Bio Science Park (LBSP).

In the Netherlands, 1.55 million people suffer from cardiovascular diseases. Yet, acute cardiovascular events, such as a heart attack or stroke, often occur unexpectedly. That is because many people do not know they are at risk for such an event. Immunological researcher Amanda Foks and her colleagues…

PhD candidate Dennis Wander searches for the best of both worlds. That is to say: a cancer drug that is effective and also has minimal side effects. To this end, he makes new molecules inspired by two existing medicines. And not without result: ‘We have created a new variant that is very promising.’…

To eat or get eaten. It describes the evolutionary race of snakes versus the mammals and birds that prey on these snakes. Muzaffar Ali Khan devoted his PhD to investigating the molecular mechanisms play of the evolutionary arms race, and has his promotion 16 February. What makes mammals and birds successful…

An unexpected phenomenon in a merger of a cluster of galaxies. An international team of astronomers led by Francesco de Gasperin has witnessed a gas tail of a galaxy, that slowly extinguished, but then lightened up again

The nominees for the IRO thesis prize 2023 and the Prof. Dr. J.Th.J. van den Berg-prijs 2023. Who wrote the best bachelor theses in Political Science?

Op 26 april 2012 kwamen ze samen om ervaringen te delen met Leidse staf: twaalf Chinese promovendi die in Nederland zijn in het kader van het beursprogramma van de China Scholarship Council. Tien dagen eerder, op 16 april, ontving de Universiteit Leiden een delegatie van Peking University.

Some of the most significant and surprising astronomical breakthroughs that have shaped science, technology and culture over the last century are showcased in the Above and Beyond open-source exhibition. This exhibition was commissioned within the framework of the International Astronomical Union's…

Arco Timmermans, Professor by special appointment Public Affairs, discusses the lobby that is just getting under way and is aimed at the political parties' manifestos for the upcoming election in March 2021.

When a bacterium becomes more resistant to one antibiotic, it sometimes becomes more sensitive to another. To better understand this interaction, researchers from the Leiden Institute of Biology (IBL) and the Leiden Academic Center for Drug Research (LACDR) under supervision of Daniel Rozen and Coen…

In het Leids Universitair Medisch Centrum wordt gewerkt aan de ontwikkeling van een nieuw malariavaccin dat effectiever is dan de huidige vaccins.

Antibiotic resistance is an economic problem. Pharmaceutical companies cannot earn much from antibiotic research, so they do not invest in it. This makes it important that universities do so, says Ned Buijs.

Four scientists from the Faculty of Science will receive a grant of up to 50,000 euros in the Open Competition Domain Science - XS from science financier NWO. This category emphatically strives to encourage curiosity-driven and bold research involving a relatively quick analysis of a promising idea.…

Prehistoric people may well have had an emotional bond with domesticated dogs much earlier than we thought. Leiden PhD candidate and vet Luc Janssens discovered that a dog found at the start of the last century in a grave dating back 14,000 years had been sick for a long time and had been cared for.…

In het onderzoek van docent Martijn Nouwen wordt voor het eerst aan het grote publiek blootgelegd hoe de ‘geheime’ Europese Gedragscodegroep er niet in is geslaagd om verschillende vormen van schadelijke belastingconcurrentie uit te bannen.

Asexual procreation in female wasps leads to an accumulation of genetic mutations, and the shrivelling of their sex organ. Leiden biologist Ken Kraaijeveld published this discovery in Evolution. His research is one of the first experimental studies into the consequences of asexual procreation.

Leiden University and Leiden University Medical Center have joined the Netherlands Centre for One Health (NCOH), further strengthening the academic network in which such problems as antimicrobial resistance are studied.

Although Ebola is a virus with significant fatality rates, we still lack effective countermeasures to battle it. To change this, Alireza Mashaghi and his colleagues from the Leiden Academic Centre for Drug Research have successfully developed an organ-on-a-chip model that imitates the most dangerous…

In her inaugural lecture on 11 September, Miranda van Eck, Professor of Cardiovascular and Metabolic Therapeutics, addressed her research related to developing medications to keep our blood vessels clean.

Activities of Magda Dourado Pucci, Dick de Graaf, Henri Bok, Catalina Vicens, Patrizia Bovi, k.g. Guttman, Andrea Stultiens, and Lilo Nein

No less than four Leiden research teams have been awarded a grant by NWO. On 27 July NWO honoured 21 applications in the Open Competition ENW-XL. NWO awards the grants to consortia in the exact and natural sciences who are doing unconnected fundamental research that is 'driven by curiosity'.

The universities of Delft, Leiden and Rotterdam are working together to show their students what artificial intelligence (AI) means for their own field. Three AI minors will start in the 2022 – 2023 academic year and will answer questions such as: ‘How best can you use AI in your research discipline?’…

Technological innovations such as home dialysis could significantly improve the quality of life and health of kidney patients. Professor Joris Rotmans therefore wants to continue pushing for new medical technology, as he will explain in his inaugural lecture on 24 March.

The number of women in the Netherlands dying before, during or after childbirth has halved.

When foreign matter enters our body, our immune system has to make a choice whether or not to go on the attack. There are times when the system goes wrong, and we end up with an illness or an allergic reaction. Researchers at LUMC are trying to steer the immune system. The dossier on Immunity, Infection…

In 2020, many of our staff and students have again won prestigious prizes and been awarded important research subsidies.

Lecture

Debate, Book Launch

PhD defence

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

PhD defence

Debate

Lecture, Austria Centre Leiden Lunch Talk

PhD defence

It’s been a turbulent, bizarre and extraordinary year, 2020. Coronavirus turned the lives of everyone at our University upside down. Out teaching, research and all the events that are held in a year: nothing was the same as before. That this affected all of us is clear from the highlights and many reactions…

‘It is a fantastic sum of money,’ enthuses classicist Professor Ineke Sluiter. ‘It gives me not just an award, but a task as well. And in all honesty, I prefer it that way.’ She is already brimming with ideas about what she will do with her Spinoza Prize.

‘Make more room for nature on farmland and you'll be surprised at the result.' This was the advice from Geert de Snoo in his Dies lecture.

Alumni who live and work in Brussels met on 18 February at the annual Leiden Alumni in Brussels Event. As well as celebrating Leiden University’s 450th anniversary, they also looked at the challenges Europe faces.

Nominated as best Master thesis by the Faculty of Governance and Global Affairs (FGGA), Robin Neumann has received the second prize in the Leiden University best thesis competition.

In a fiery Annie Romein-Verschoor lecture, Sylvana Simons opened up about her experiences as a woman in politics. The leader of the BIJ1 party is regularly the subject of belittling comments and threats. Writer Aafke Romeijn, who reflected on the Simons’ lecture, has also been threatened frequently…

On 12 September 2024, the official ceremony opening the academic year 24-25 for students of the European Law master’s programme took place at Leiden Law School, organised by the Europa Institute.

Practise in the Board Room and getting start-ups through difficult times. Students of Harmen Jousma, lecturer in Science Based Business, learn about the art of doing business. Jousma is one of the three nominees for the Leiden Teaching Prize.

The James Webb Space Telescope has found evidence of carbon dioxide (CO₂) in the atmosphere of a giant planet 700 light years away. This result provides insight into the composition and formation of this gas giant and shows what James Webb is capable of. The research by the international group of astronomers,…

Environmental scientists Stefano Cucurachi and Paul Behrens and astronomer Jorryt Matthee have received prizes during the New Year's reception of the Faculty of Science on Tuesday 8 January. In addition, Kavli Prize winner Ewine van Dishoeck announced a new award.

Leiden University is 444 years old this year! And we have big plans to celebrate this special birthday in 2019 - together with the people of Leiden and The Hague.

Museum Boerhaave commemorated the hundredth anniversary of Einstein’s Theory of General Relativity with the exhibition ‘Einstein & Friends’. The exhibition shined light on the famous physicist’s Dutch friends and his love for Leiden. A review featuring seven images can be found below.

Fifty years ago a group of students started the Leiden Student Working Group on LGBT. Today students can contact Leiden University Pride and for staff there is the LGBTQ+ Core Network. Five questions for Kirsten de Mare, student of linguistics and chair of LU Pride.