Without scientific knowledge, we won’t be able to tackle the grand challenges of the 21st century: climate change, energy transition, social inequality and coronavirus, for example. Professor by Special Appointment of the Social Value of Science Laurens Hessels is therefore calling for more transdisciplinary…

Olivier Nieuwenhuyse, member of the Faculty of Archaeology, was successful in receiving a grant from the Bijvanck Foundation for a first campaign of work at Tell Begum, northern Iraq (Iraqi Kurdistan). A small international team directed by Olivier Nieuwenhuyse in a joint effort with the Directorate…

Jos F. Brosschot has been appointed as a professor by special appointment on the chair ‘psychophysiological mechanisms of stress in daily life’. This chair has been created by the Foundation for Research into Psychosocial Stress.

Leiden will be scientific capital of Europe in 2022. The theme of the festivities was announce on 28 October: Who Knows. After all, does anyone have a monopoloy on wisdom these days? Who decides what is true? And does anyone actually know what the future holds?

Plants love favourable microbes such as bacteria and fungi: they grow better and become healthier. Jos Raaijmakers, Professor of Microbial Ecology, is in search of the right microbes to be used in agriculture. Inaugural lecture 13 November.

The organisational network in and around a primary school influences the school’s achievement, according to Petra van den Bekerom. Effective networking allows problems to be countered more easily. PhD ceremony on 8 November.

The objectives of the 2011 campaign Tell Balata Archaeological Park are to carry out excavations, promotion and awareness, community involvement, gathering oral histories and educating children. The objectives are described in a handout produced for the opening ceremony on June 21st 2011.

About 15 km to the south of the ancient city of Petra, archaeologists from the University of Leiden have discovered an impressive network of ancient water conservation measures and irrigated field systems.

Amid rising polarisation and discrimination, lawyer and human rights activist Lilian Gonçalves-Ho Kang You wants to show in her Cleveringa Lecture on 26 November how dangerous exclusion is.

Today’s world faces large-scale climate change and other environmental disruptions. Meeting these challenges involves major adjustments to economy and society, with substantial potential for conflict and violence. This dialogue assembled leading authorities on the relationship between climate and peace,…

Remko Offringa, Associate Professor in Plant Developmental Genetics, and Associate Professor in Molecular Microbiology Arthur Ram both have been appointed as the new Directors of Education at the IBL. Offringa in the role as Director of Education for the Master program and Ram as Director for the Bachelor…

Marine Le Pen, an immensely popular French politician, has been found guilty of misappropriating EU funds and is barred from running for public office for five years. Wim Voermans, Professor of Constitutional Law, commented on her conviction in ‘Bar Laat’.

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

Sara Petrollino, a university lecturer in linguistics, strongly believes that language influences the way we see the world. An NWO Open Competition (XS) grant will enable her to test this hypothesis among the Ethiopian Hamar people. ‘The idea that everyone thinks in geometric shapes is culturally de…

Leiden University celebrates its 444th anniversary in 2019, and a special age requires a special logo. The logo for the celebration was designed by Clara Lezla, a student at the Royal Academy of Art The Hague.

On 27 January 2017 the fifth issue of the Journal of the LUCAS Graduate Conference, titled 'Breaking the Rules: Artistic Expressions of Transgression', was published.

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

When mosquito eggs hatch in nutrient-rich water, the mosquitoes are larger and they can also fly further. That is the first conclusion of a study from by the Netherlands Centre for One Health (NCOH) by PhD-student Sam Boerlijst.

The pandemic has challenged us to revisit the way we structure education and how to reach out to students remotely. It almost seems fitting that a course devoted to a topic so closely related to the context of the corona crisis, that of global health, would explore the possibilities of making the course…

Leiden University College The Hague (LUC) is celebrating its fifth anniversary. This English-language programme with on-campus teaching for excellent students has proved to be a great success. On Saturday 10 October, the LUC will be celebrating in Diligentia Theatre in The Hague with numerous speakers,…

The more complex the object, the harder it is to fold up. Space satellites often need many small motors to fold up an instrument, and people have difficulty simply folding up a roadmap. Physicists from Leiden and Amsterdam have now designed a structure that folds itself up in several steps. Publication…

‘The Hague is rapidly developing to become a knowledge city and Leiden University is making an important contribution to this development.' These were the words with which alderman Joris Wijsmuller opened The Hague Day of Architecture on Saturday 20 May 2017. Wijnhaven was the focal point of the day…

Here, you can browse the publications of the Navigation Lab Leiden:

Both the international perspective and the Dutch language and culture are deeply embedded in Leiden University’s identity.

How can we promote social cohesion in a society that is culturally and religiously diverse?

This one-year master's programme explores the political and cultural evolution of the world from a long-term, and broad comparative perspective. This creates a better understanding of the entangled nature of today's society.

History of Inequality and Power provides you with an in-depth understanding of the past and present that will contribute to solving current societal problems.

The one-year Master's specialisation in Ancient History: Empires, Societies and Cultures offers an attractive mix of theoretical knowledge and practical experience.

Thirty years ago, the Leiden Journal of International Law (LJIL) was born, at a time when the writing of histories was hardly a popular endeavor for international legal scholars. In his 1987 article ‘Probleme der Völkerrechtsgeschichte’ (‘The Problems of International Legal History’), Heinhard Steiger…

It's now possible to measure how many plastic particles there are in our food. Chinese scientists and Leiden professor Willie Peijnenburg applied their new method to lettuce and wheat. Their results were published January 20 in Nature Nanotechnology.

In collaboration with the The Hague Historical Museum and photographer Dagmar van Weeghel, Leiden University Libraries (UBL) is the first to present a retrospective exhibition of the photographic oeuvre of Alexine Tinne (1835 – 1869). New research into her life and work is the reason for a reappraisal…

Using the MUSE instrument on ESO’s Very Large Telescope in Chile, an international team of scientists, including many Leiden astronomers, have conducted the deepest spectroscopic survey ever. They focused on the Hubble Ultra Deep Field, measuring distances and properties of 1600 very faint galaxies…

The race to build the first quantum computer is still ongoing, but Morten Bakker has made big step forward in that process with qubits. A qubit is a unit of quantum information that can be produced in large numbers on chips. Qubits capable of exchanging photons (light particles) could be used in the…

Every Sunday you can help fish plastic and other floating garbage out of the Leiden canals. You can use your own canoe or loan one from Plastic Spotter and join the garbage-fishing fleet. Annetje Ottow, President of Leiden University, was one of the crew on Sunday 4 July.

On the occasion of the retirement of Robert Ross, Professor in African History at Leiden University, his successor and former student Jan-Bart Gewald wrote a valedictory note.

After almost 18 months of following lectures alone in their rooms, many students are going back to face-to-face classes for the first time. And the same is true for the lecturers. How do people feel about it? We went to Leiden Law School to find out. ‘For a whole year, I’ve been watching lectures in…

A standing ovation. A wave and a smile from the president. A final selfie. Ukrainian President Volodymyr Zelensky addressed students in the Netherlands for the first time on Tuesday morning via a livestream in The Hague. He did so in front of two packed lecture halls at both Leiden University and The…

‘It's empty talk, nothing but political posturing,’ says Prof. Leo Lucassen about Minister Lodewijk Asscher's plan for a participation contract for migrants. ‘It will never happen.’ Lucassen, Leiden specialist in History of Migration, discussed Asscher’s Integration Letter on the NTR programme De Halve…

Psychologists of Leiden University and Peking University will collaborate to investigate the deficiencies in emotion recognition in children with Autism Spectrum Disorder (ASD). The new collaboration fits very well in the policy of Leiden University in which intensified collaboration with China has…

Western civil servants openly struggle with their government’s policies on the war in Gaza. During a meeting at Campus The Hague, three former civil servants told their stories.

Until 15 May, Open Space will give room for artistic creation and experimentation in a partnership between artists and astronomers. The project is a collaboration among Nederlands Dans Theater (NDT), Korzo and the Leiden Observatory. Starting on 3 May, young dancers of NDT 2, three choreographers, three…

On Friday, April 5, the Ecuadorian police stormed the Mexican Embassy in Quito to arrest former Ecuadorian vice president Jorge Glas Espinel.

Each year on the university’s birthday, children at primary schools in Leiden and The Hague have a lesson from a professor – about children’s rights and robots in surgery, for example. The children get to do activities. And ask questions: ‘How do you become a professor?’

NASA’s telescope SOFIA has provided a new glimpse of the chemistry in the inner region surrounding massive young stars where future planets could begin to form. Leiden PhD candidate Andrew Barr writes about it in the Astrophysical Journal. The scientists found massive quantities of water and organic…

Help us spot and clean up the plastic in the canals of Leiden! Leiden University is calling on the good folk of Leiden to help our researchers study the plastic in the city’s canals. And if you’d like our canals to be plastic-free, why not donate towards a fleet of canoes to clean them up?

Linguists Alwin Kloekhorst and Alexander Lubotsky from Leiden University made a great discovery this summer. They deciphered a few dozen inscriptions on pot shards found in Daskyleion (North-West Turkey) as Phrygian and Lydian, and thus proved the presence of the Phrygians and Lydians in that area.

On Monday, 09 April 2018, Aron Fischer Ph.D., freelance mathematician and researcher of Colony and Ethereum Foundation’s Swarm team, delivered an absorbing presentation on the Ethereum blockchain, smart contracts and decentralized autonomous organizations (DAOs) at Leiden Law School. These headline-grabbing…

String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden theoretical physicists have now for the first time used string theory to describe a physical phenomenon. Their discovery has been reported this week in 'Science'.

Leiden University Academy of Creative and Performing Arts (ACPA) launches the open online course Music & Society on Coursera to advance worldwide access to high-quality education. The course starts on January 9, 2017 and will be taught by Prof. dr. Marcel Cobussen and drs. Hafez Ismaili M’hamdi.