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.

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

Postdoc and linguist Evelyn Bosma receives the Keetje Hodshon Prize for her dissertation. For her research on the multilingualism of Frisian children, Bosma previously won the Klokhuis Science Prize and the Campus Fryslân Science Prize.

The compulsory reading list is infamous among secondary school students, and for all the wrong reasons. This prompted the Faculty of Humanities and the Onderwijsnetwerk Zuid-Holland (South Holland Education Network) to launch the Alternative Reading List Award, in search of books that motivate young…

Het onderzoeksproject heeft als doel ouders te helpen hun kleuters gezonde eetgewoonten aan te leren door het bevorderen van sensitieve voeding tijdens de fase wanneer peuters kieskeurig met eten worden.

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

For hundreds of years, children in Ancient Egypt learned to read using The Satire of the Trades, a text in which a father gives advice to his son through descriptions of different professions. PhD candidate Judith Jurjens investigated how this worked in practice.

Understanding the proces of electrochemical reactions is essential to improve the technology for the energy transition. Fuel cell cars, for example use hydrogen produced from the electrolysis of water. Mariana Monteiro did fundamental research on the process and won two prizes with her thesis.

In his new book 'Flooding and Management of Large Fluvial Lowlands', Paul Hudson Associate Professor of Physical Geography at Leiden University College in The Hague, examines human impacts on lowlands rivers. The past twenty years the pressure on large fluvial lowlands has increased tremendously because…

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.

Facility

Lecture

An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…

With a single sample of water or soil, researches can analyse the DNA of everything that is living in that environment. During her research, PhD candidate Beilun Zhao discovered a way to analyse not only the kind of species, but also the age of the species in a water sample. The method showed its first…

The Houthis are attacking ships in the Red Sea. Rerouting via South Africa is expensive, whereas the Arctic route only takes a week. Once a no-go zone, this route might be a more realistic option. Mind the nuclear submarines, though…

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

Although there is considerable evidence that nature in the city is beneficial to both people and animals, we still do not have an overall picture of those benefits. To rectify that, a Leiden PhD candidate and a student – armed with a cargo bike – are using The Hague as a life-size laboratory.

No more smelly lorries disposing of building waste or delivering building materials to the centre of Leiden. That’s Leiden University’s ambition for its future renovation or construction projects in the city centre. Electric boats should make the process cleaner and less inconvenient for the people…

Leiden University has taken 14th place in the UI Green Metric, a global sustainability ranking for universities.

Education

Master’s students in Industrial Ecology and Governance of Sustainability have helped answer organisations’ questions about sustainability

Hans Slabbekoorn is specialised in animal sounds. On 1 July, he was appointed professor of Acoustic ecology and behaviour. A great honour, according to the new professor. ‘This job never gets boring, whether I am investigating the urban jungle or marine noise.’

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

Leiden University’s Living Lab is moving to the middle of the Leiden Bio Science Park. In the lab’s new home between the University of Applied Sciences, Mentor and Naturalis Biodiversity Center, the first ditches have now been dug. This new location is more accessible to both researchers and the public.…

An Honours Class about the ostensibly unrecognisable worlds of insular Southeast Asia teaches students a fundamental piece of wisdom: "We do not differ much from the people at the other end of the world."

At the beginning of the corona pandemic, our Faculty appointed student mentors to guide first-year and international students. What drives these mentors, and what is it like to be back at the Faculty again? Mireia and Marten tell us all about it.

Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

Martina Vijver has been nominated as Teacher of the Year of the Faculty of Science. She gets this nomination for the course Ecotoxicology she taught in 2022. The 52 students who took the course were hugely enthusiastic, as can be read in their positive reviews. What is so great about this course then?…

Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

We all know smoking is bad for our health. But we might not have known that the cigarette filters that litter our streets also impact the environment. Esther Kentin is a lecturer at Leiden Law School. She is raising awareness of the University’s cigarette butt problem.

Armed with sunglasses, a thick layer of sunscreen and several bottles of water, over 3,300 students have arrived in Leiden for their introduction week. The start of the 55th EL CID happened to be on the hottest day of the year.

Traces of the past remain hidden in rivers, lakes and seas. In his inaugural lecture Martijn Manders will explain why underwater archaeology is important to understanding our history.

André Leliveld has won a grant of 100,000 euros within the Comenius Senior Fellow programme for the project ‘Learning globally, acting locally: co-creation of an international multidisciplinary online learning environment around Frugal Innovation'. André is academic coordinator of the Leiden-Delft-Erasmus…

On behalf of trade union FNV, Egbert Jongen and Heike Vethaak from Leiden University conducted a study on income distribution over the past 40 years. Dutch national media outlets have given extensive news coverage to their study.

The first generation of Governance of Sustainability master's students has graduated. They received their diplomas during a festive ceremony at Wijnhaven on 17 September. And they will not be the last: The master's programme is only growing in popularity. ‘We are very proud of our first graduates, especially…

Facility

De Universiteit Leiden kan van start met de bouw van 300 studentenwoningen en 500 overige woningen in het Leiden Bio Science Park.

Education

The slogan of the Faculty of Archaeology, ‘The Future of the Past starts at Leiden University’, might sound like empty marketing speak. But there is something to it. The past can teach us a lot about climate change and that could make us fear the worst for our future. Archaeologist Gerrit Dusseldorp…

It doesn't happen every day that the research project of a first-year bachelor’s student results in a scientific publication. And not only that, but as first author and on the cover of a leading physics journal. ‘We have given our lab education a thorough overhaul and it is paying off.’

With his clever measuring methods Ignas Snellen – together with his team – was the first to detect carbon monoxide in the atmosphere of exoplanets. For his pioneering work the Leiden astrophysicist has been awarded the Spinoza Prize, the highest academic honour in the Netherlands. The prize of 2.5 million…

A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells on hydrogen and oxygen. Their article appeared in Nature Catalysis on 07 Ju…

Han Meyer, Carola Hein, Paul van de Laar and Sabine Luning, argue that in the current moment of major crises these ship channels necessitate radical reconsideration.

Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

Tuesday was the opening session of the LDE Bachelor Honours Programme Sustainability. Lecturers introduced themselves, students got to know each other and it was revealed what they will do to contribute to a more sustainable world in the coming months. "I immediately feel like getting started," said…

A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…

Sustainability, health and wellbeing are key factors during the coming renovation of the iconic South Cluster of the Humanities Campus. The conversion of the original seven ‘houses’ to create a single spacious, light and attractive environment under a glass roof will earn an Excellent Level qualification…

The night side of exoplanet WASP-43b, to the surprise of astronomers, does not appear to contain methane. It is likely that extreme winds do not allow enough time for methane to form in detectable amounts. This is the conclusion of an international team of scientists, with Leiden and Amsterdam contributions,…

Imparting students with a critical attitude and cross-curricular skills. That is what Rawi Ramautar wants to strive for as the new programme director (OD) of the bachelor of Bio-Pharmaceutical Sciences. 'A programme director has to create a programme of which students say: I find it challenging and…