In some university restaurants and cafés, you can already order them and, come January, you can enjoy them everywhere: the Pure products. Sustainable, healthy and/or vegetarian. The beautiful lime green, also the colour of the plates and bowls, is the vibrant symbol of these products. And Pure is even…

Why is the sky blue? Why are most people right-handed? Why are spiderwebs so strong? These are just some of the questions arriving at Postbus 71, a Leiden2022 project where everyone can ask their questions. Friso de Hartog, the driving force behind Postbus 71, is busy answering as many questions as…

Recently, NWO has decided to grant two interdisciplinary research proposals for national and international consortia submitted by researchers from the Institute of Biology Leiden. One of the proposals is led by Prof. dr. Ariane Briegel, the other one by dr. Remko Offringa.

Leiden University is working on sustainability and should give its efforts more publicity. This is the conclusion of Industrial Ecology master’s students who investigated the extent to which Leiden University is green and sustainable.

At Leiden University many staff members and students value making sustainable and responsible choices in their personal lives. Making these choices in our professional lives may feel a bit more complicated. But is that feeling justified? Archaeologists Gerrit Dusseldorp and Roos van Oosten share their…

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

Cancer treatments often have an impact on people’s sexual health, but doctors and nurses do not discuss topics such as sexuality and intimacy with patients as a matter of course. This is what Esmée Krouwel, a physician-researcher at Leiden University Medical Center (LUMC), has discovered. With her research…

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

Tjerk Oosterkamp's group is conducting what is perhaps the coldest research in the world. The researchers have cooled a sensor to below 2 millikelvin - almost as cold as absolute zero. This allows them to make extremely sensitive measurements. PhD candidate Jaimy Plugge helped build the setup: ‘We are…

As a lecturer of a block 4 course, osteoarchaeologist Dr Rachel Schats is preparing to give her education remotely. For this she uses Kaltura, Leiden University’s video platform. While she is new to remote teaching, like most of the University’s lecturers, she already has some tips and tricks based…

Researchers from Leiden University, the Netherlands, designed a novel metamaterial that buckles on demand. Small structural variations in the material single out regions that buckle selectively under external stress, whereas other regions remain unchanged. The research is published in this week’s Early…

Today marks the launch of the LDE Bachelor Honours Programme Sustainability. Students from Leiden University, TU Delft and Erasmus University will work together on concrete sustainability issues of organisations. Interest in the new programme turned out to be overwhelming. Two lecturers involved share…

Quick resuscitation can save lives, but under 1% of the population of Leiden is a community first responder. Student associations and various partners in Leiden want to give a resuscitation course to 500 residents and students of Leiden. This special project has won the LUF’s Snouck Hurgronje Prize.

Face masks and gloves designed to protect us are, in fact, dangerous for the animals around us. Scientists from Leiden warn that throughout the world, on land and in the water, animals are ingesting corona waste, or getting entangled in it. The two biologists are asking for everybody’s help to better…

Of the 87 Vidi research subsidies awarded by NWO, five have been awarded to Leiden researchers. This represents almost 6 per cent of the successful applications.

With the aid of physics and a minuscule magnet, researchers have discovered a new structure of telomeric DNA. Telomeres are sometimes seen as the key to living longer. They protect genes from damage but get a bit shorter each time a cell divides. If they become too short, the cell dies. The new discovery…

Thijs Bosker and Paul Behrens, Professors in Environmental Sciences at Leiden University College in The Hague, have received funding from the Leiden University Fund and the Gratama Foundation to work on developing a set of Local Actions: tangible and practical exercises that students can engage in…

The Sustainability Prize of the Leiden University Green Office and the Local Chamber of Associations has been won this year by student association Catena. In the shadow of the corona pandemic, Catena worked exceptionally hard to improve sustainability.

With the opening of Wijnhaven, Leiden University now has three locations in The Hague. Photographer Nicole Romijn recorded the construction process of the former ministry building from start to finish. The result can be viewed at the photo exhibition on the Wijnhaven Building in the Old University Library…

Eleven ambitious Leiden students hope to heal burns with a special substance from squid teeth. They are taking part in the international iGEM competition. They need to raise almost 10,000 euros to fund their project this summer.

To date it has proved very difficult to convert the promises of the miracle material graphene into practical applications. Amedeo Bellunato, PhD candidate at the Leiden Institute of Chemistry, has developed a method of cutting graphene into smaller fragments using a diamond knife. He can then construct…

The energy transition is already a huge challenge for society, but sustainable use of resources is even more complicated. Yet it is at least as urgent. Ester van der Voet has been working on it for decades, for example within the United Nations. Since February, she is a professor at the Centre for Environmental…

Erik Danen is looking at how to inhibit tumours that do not respond well to medicine – and he is making some headway. The Professor of Cancer Drug Target Discovery studies the interaction between tumour cells and their surroundings. Inaugural lecture on Friday 10 May.

Chemical substances and nanomaterials are processed on a massive scale in diverse products, while their risks have not been properly assessed. Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. This is the warning given by Professor of Ecotoxicology…

Lecture, Faculty Lecture

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

In 2011 Leiden University came into possession of the skeletons from a graveyard in Middenbeemster. But what could be done with all these bones and skulls? Well, the answer is: more than you might think. Since the excavation, it has been raining interesting scientific discoveries at the Faculty of Archaeology.…

Siemens recently took over the Leiden software company Culgi, founded by professor and inventor J.G.E.M. (Hans) Fraaije. We spoke to him about the algorithm that made him successful, the role of a university in our society and his ambitions at Siemens. ‘I was looking for Siemens, and they were looking…

What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…

Most people think of waste as something dirty that needs to be disposed of as soon as possible, but Olivia Yun-An Dung's dissertation aims to show that this does not always have to be the case. For this purpose, she focuses on Tzu Chi recycling in Taiwan. There, an army of elderly volunteers has been…

At first glance, archaeology seems like a job that is hard to take home. Nothing could be further from the truth though! Our archaeologists are currently developing new dating methods, are looking for lost cities in their living rooms, and perform daring acts of experimental archaeology!

Playing with tiny building blocks might sound like child’s play, but Vera Meester knows better. On June 7 she will defend her thesis on colloids: micro particles with which you can form larger structures. Meester developed a method to make unusable structures usable.

Industrial ecologists Stefano Cucurachi and Flora Siebler are part of the new consortium PROGENY, which received 3.6 million euros from the European Commission. PROGENY is an exciting project that will study the possibilities of soap films for innovations, such as ultra-thin screens.

What is the environmental impact of the fish on our plates? And is an electric car really more sustainable when we include the generation of electricity? Jeroen Guinée maps the environmental impact of products and technologies. He analyses them from raw material to waste disposal. He was appointed Professor…

De Faculteit Archeologie bestaat dit jaar 25 jaar. Ter ere van dit jubileum opende de faculteit op 1 maart zijn deuren voor het brede publiek.

In the MS Cognitietour, psychologists and neuroscientists from Leiden University discuss the latest scientific knowledge with MS patients and their loved ones. This leads to insights: 'One lady told how much stress she felt from all those caregivers around her bed.'

It was busy at the Bachelor's Open Day of Leiden University. Over 7,000 prospective students had come to take a look at Leiden. What did they expect of their chosen programme? Would they join a student association? Would they move out of home? Feedback from five prospective students.

Environmental researcher Martina Vijver is over the moon with her ERC Consolidator Grant. This prestigious grant is recognition, she says, of the study of the behaviour and possible toxicity of new nanomaterials in ecosystems.

Innovation in nest building: bird nests made from anti-bird spikes. Researchers from Naturalis Biodiversity Center and the Natural History Museum Rotterdam describe this behaviour in a publication.

One and half years ago, Lewis Borck exchanged the arid and hot Southwest of the USA for the Netherlands. While an expert in Ancestral Pueblo and Hohokam archaeology, he switched to the Caribbean as a researcher in the NEXUS 1492 project. “Theories and methods brought me in first.”

Human cells are protecting their proteins from unfolding and aggregating. That's what biophysicist Alireza Mashaghi and his team discovered after seven years of in-depth research into the folding mechanisms of proteins. With an unprecedented approach, the team was able to study the folding of a single…

What is the relationship between humans and nature like? And how can we use it to tackle climate problems? In the Master Honours Class ‘Planet in Peril’, students approach climate issues from the perspective of the humanities. ‘Things are not always as one-sided as they seem.’

From learning modules for primary schools to a ‘Fixer-Upper Day’ and from a platform for returning broken electronic devices to a call to government: the National Think Tank has presented ten solutions that should help create a circular economy. We spoke to three Leiden members of the Think Tank about…

Bringing Dutch and international students together. One way to do that is by playing Archery Attack, archaeology student Timothy Stikkelorum suggested. On 13 November, he and his team, a committee from the Terra study association, won the Van Bergen Prize with their idea.

Alumnus Rennie Roos lives and works in Indonesia. What took him there, what does he do there and what inspires him?

From underground heat exchangers at the Bio Science Park to drinking taps to replace water coolers. With its new environmental policy plan, Leiden University will become greener in the coming years.