195 search results for “food webs” in the Student website
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Cod behave differently in noisy environment
Underwater noise from seismic surveys affects the behaviour of Atlantic cod. These are the results of research by Leiden biologists in collaboration with colleagues from Belgium. During such surveys the fish are less active than usual and their circadian rhythm is disrupted; soon after exposure they…
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Competition: will you come up with the name for the new bar in the Gorlaeus Building?
Organisation
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Great Minds Exposed - top scientists that change the world with their extraordinary discoveries
Social
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Child rights activist Graça Machel speaks in Leiden on justice between generations
Mozambican politician and child rights activist Graça Machel speaks October 27 at Leiden University about her work.
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Onze aarde wordt onleefbaar. Kunnen we het tij nog keren?
We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?
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Apply now for the Una Europa One Health Summer School!
Education
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Astronomers see birth cluster of galaxies in early universe
An international team of astronomers has discovered a large reservoir of hot gas in the cluster-in-formation around the Spiderweb Galaxy. Based partly on that hot gas, the astronomers predict that the cluster-in-formation will grow into one of the largest objects in the universe. A step closer to discovering…
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A wheelchair in the Old Observatory
Yesterday marked the start of the National Accessibility Week. How accessible is Leiden University for people with a disability? We asked Lucia Langerak, disabled herself and working at the Honours Academy, about her experiences: ‘Significant improvements are being made.’
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Students help make Maldives more fertile
Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?
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Four Leiden Scientists: 'Environmental risks of new pesticides with nanoparticles insufficiently examined'
The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…
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From #COVID to #GOFIT
How do you get fit after these challenging times? How do you actively start a healthy lifestyle? Healthy University Leiden would like to address these topics during the upcoming from #COVID to #GOFIT Week, which will take place from 21 to 25 June 2021.
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AI Lab launched for effective and responsible supervision
How can you increase the effectiveness of inspectors using responsible artificial intelligence (AI)? This is the question the Innovation Center for Artificial Intelligence (ICAI) Lab AI4Oversight is tackling. By developing algorithms and methods, they try to provide optimal support for, for example,…
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Less plastic in university restaurants
Facility
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Giant penis plant is blooming at Hortus botanicus
The ‘Amorphophallus titanum’ at the Hortus botanicus Leiden is blooming. This Titan Arum, also known as the ‘giant penis plant’, last flowered in 2009.
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The well-being student pool: help make the university a better place
Organisation, Social
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Sibel Bahtiri is one of the new Faces of Science: ‘I want to show how we’re finding alternatives to animal testing’
PhD candidate Sibel Bahtiri is one of the new Faces of Science. In videos and blogs, she will show what life is like as a young researcher.
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Surprising insights, experiments and magic tricks at interactive ‘Wijsneus Festival’
What should we do about litter in the countryside? Can you tell from camera images if someone is guilty? And what does your heart rate really look like? Get answers to these questions and more at the free ‘Wijsneus Festival’ on Friday 16 September at Leidse Hout Park.
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Humanitarian aid for Ukraine: donate or volunteer
Social
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Study abroad possibilities
Learn about studying abroad within or outside the EU via your faculty or a university-wide agreement. Or explore alternative options for going abroad.
- Student Guide
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Leiden University celebrates curiosity at 449th Dies Natalis
How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.
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New Science bar name revealed
In the Gorlaeus Building, there will be a brand new faculty bar for students and staff. From hundreds of entries, a faculty jury chose the name for this bar. The new bar will be called 'The Fusie'. 'This name exudes togetherness and cosiness,' says FWN assessor Nalani Verwoord. 'And it has an additional…
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Tropical bananaquits lose song quality in the city
I think we should go this way. This way! THIS! WAY!! Making yourself heard in a city can be difficult. That is not only the case for humans, but birds seem to be hindered by urban noise as well. Researcher Hans Slabbekoorn of Leiden University already showed that great tits in Leiden communicate differently…
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Madouc Bergers made her own enzyme inhibitors for her bachelor’s thesis
For her bachelor’s thesis, Molecular Science and Technology student Madouc Bergers synthesized her own molecule that can inhibit the breakdown of sugars. Although most students do not even manage to make one building block, Madouc made three. Partly because of this, she has been nominated for the Science…
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News but nothing new: many pesticides in Dutch swimming and natural waters
There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. However, it has long been known that Dutch surface water contains too many toxic pesticides. ‘We will have to improve our ways of life together with many…
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.
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Stay connected - also during the public holidays
Social
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Ecologist Michiel Veldhuis is the Discoverer of the Year 2020
Michiel Veldhuis received the most public votes for the C.J. Kok Public Award and may therefore call himself Discoverer of the Year. Veldhuis researches how climate change affects savannah ecosystems in Africa and how we can protect them.
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Towards no more glass in the jam with better X-ray scanners
X-ray and CT scanners are widely used devices in research, diagnostics and the industrial sector. And yet they are not nearly as fast and accurate as we would like. Mathé Zeegers is researching the newest technique in the field at the Centre for Mathematics and Computer Science: spectral X-ray imaging.…
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Climate and elections: these were your top stories from 2023
The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.
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Research and current affairs: 2022 in six stories
Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…
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Whale poop reveals plastics problem: three million microplastics per day
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…
- Stay connected - also during the holiday celebrations
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.
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With this algorithm, new medicines can be found more quickly
Did he dare take a gamble with his PhD research? Jeroen Methorst didn’t have to think long about it. It could fail or turn out very well. The latter is the case. Methorst developed a computer system that helps researchers find the protein they need. ‘Our whole group is now using this program.’ Methorst…
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Post-quantum cryptography should keep our DigiD, bank accounts and state secrets safe
Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…
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Leiden Classics: the man behind the beadle
Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.
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Interview with Rector Hester Bijl: ‘There is no place for antisemitism here’
Leiden University is under fire: it is allegedly doing too little to tackle antisemitism. Rector Hester Bijl responds to this accusation and to a video from 2014 on social media in which extreme remarks are made. ‘We can be short about such comments: they are unacceptable. The university is and always…
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Liveable Planet Lunch Series “A Forest of Knowledge – Investigations on foraging cognition in tropical forest foragers”
Lecture
- Potluck Spring Dinner: Meet, Mingle, Munch
- Futures from the frontiers of climate science
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Environmental Colonialism in Palestine
Panel
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Symposium in honour of Prof. Harold Linnartz
Symposium
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Career Talk with Maurien Olsthoorn
Debate, Career Talk
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Financial support
Student organisations and faculty co-participation bodies can request financial support from Leiden University. Find out how the board of your organisation can request financial support for student board members and for projects and activities.
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Rector Hester Bijl on education in times of corona: ‘We have high hopes, but we are also realistic.'
The Dutch universities as a whole are lobbying for a 'normal' academic year from the end of August, where on-campus teaching will be possible. It's a view that Leiden University shares. Rector Hester Bijl talks about what teaching will be like then. She also looks back on a year of lockdown.
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In memoriam professor Harry Wijshoff
On March 28, 2023, our esteemed colleague Prof. Harry Wijshoff passed away. He died after a struggle of several months against a serious illness.
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Leiden students brew coasters from beer waste
Turning beer waste into a useful, sustainable product. That was the mission of students from Leiden at the international BISC-E event. The biology students challenged themselves and won third place in the Dutch finals of this competition. For this, they used the simple formula: Grain + fungus = coas…
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A circular economy is about much more than just recycling
It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.
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Jasper's Day
Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.