316 search results for “fish” in the Public website
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Freya Baetens analyses transboundary fisheries governance at ESIL conference
Last week, the 12th Annual Conference of the European Society of International Law (ESIL) took place on the topic of How International Law Works in Times of Crisis. The conference was hosted by the Riga Graduate School of Law in cooperation with the Latvian Constitutional Court. The conference intended…
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Cleaning up tuberculosis and salmonella infections
The cellular recycling system in zebrafish is capable of eating harmful bacteria and thus resist infections such as tuberculosis and salmonellosis. That is written by Leiden biologists from the group of Annemarie Meijer. Stimulating this form of defence could be used in new treatment methods against…
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Most species-rich coral reefs are not necessarily protected
Coral reefs throughout the world are under threat. After studying the reefs in Malaysia, Zarinah Waheed concluded that there is room for improvement in coral reef conservation. PhD defence 22 November.
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While the men are away, the Scheveningen women do it their way
Women confined to the kitchen? Not in Scheveningen around 1900. There, some women ran entire shipping companies. This is according to new research by history student Sjors Stuurman. He compiled the results in a book he wrote for Muzee Scheveningen.
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Nanoparticles: shapeshifters that pass along the food chain and end up in the brain
Nanomaterials can pass much further along the food chain than was previously thought. The particles can change shape and size in each organism, enabling them to pass on to the next one in the chain. Researchers from the Institute of Environmental Sciences discovered this accidentally when using a novel…
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‘City dwellers in Middle Ages no worse off than village dwellers’
City dwellers in the Middle Ages were probably no worse off than people living in villages. Both groups had very different health risks, is Rachel Schats' conclusion from her research on bone material. PhD defence 3 November.
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‘If we buy these imported products, we are co-responsible for the global decline in biodiversity’
What we buy and consume in Europe often has an impact on biodiversity somewhere else in the world. With a Horizon Europe Funding of 600.000 euros, assistant professor Laura Scherer and her team will develop models to look at the impact of global trade in non-food biomass. ‘After developing the models,…
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LUC welcomes pupils to Schilderswijk University
The girls and boys from the Schilderswijk in The Hague were very keen to learn. On 20 May, 25 pupils from the Saturday school, the Schilderswijk University, came to Leiden University College in The Hague.
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Plastic Spotter: spot plastic in the canals of Leiden
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?
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Skilling for sustainable food
Is Europe skilling for sustainable food?
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In pictures: animal mummies in a scanner
The story of Tutankhamun, the Egyptian pharaoh, is world famous. But did you know that the Ancient Egyptians mummified not only people but animals too? The National Museum of Antiquities in Leiden recently put a bunch of animal mummies through a CT scanner. This was in collaboration with Canon Netherlands…
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Zebrafish models for disease and environmental stress
We use zebrafish as a model organism to study human development and disease as well as animal welfare and environmental impact.
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Research
Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…
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What we can learn from the Mycenaeans
The Mycenaean civilization of ancient Greek times offers enormous potential for useful information: from innovative construction methods to ways of handling crisis situations as a society. Archaeologist Ann Brysbaert and her team analyse Mycenaean construction processes in the ERC Consolidator project…
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Glucocorticoids in zebrafish
A novel in vivo model system for studies on glucocorticoid resistance
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Darién Profundo: A historical ecology approach to human practices in Gran Darién, Panama
How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?
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Animal sciences and health
In the research theme ‘Animal Sciences and Health’, we work with various animal species to gain insights into fundamental biological processes in both animals and humans.
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Leiden Wall Poems
Learn all about the writing systems used in the famous wall poems of the city of Leiden.
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St. Lucia
Fieldwork
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Professor Ewa Snaar-Jagalska appointed professor in the field of cellular tumor biology
From the 11th of May Ewa Snaar-Jagalska has been appointed Professor in the field of cellular tumor biology within the Faculty of Science at the Institute of Biology Leiden. Her research focuses on the cellular tumor biology and human cancer modeling in zebrafish
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National Week without Meat
National Week Withouth Meat: March 9th-15th @ Leiden University PURE restaurants
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CanalCups: getting to plastic-free canals
Two weeks after 3 October the Leiden canals were still full of plastic disposable cups. Auke-Florian Hiemstra and fellow students have fished thousands of these cups out of the canals and photographed them. Now they put a photo of one of these canal cups on Instagram every day.
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‘Test medicines after five days’
What is the best method and time to test the effectiveness of medicines? PhD student Rob van Wijk of the Leiden Academic Centre for Drug Research (LACDR) discovered zebrafish larvae are best used in drug research when they are five days old. His findings were published on 15 February in the journal…
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In memoriam: Maolin Zhang
We are grief-stricken that our PhD student Maolin Zhang passed away during the early morning of January 17th 2019. He died during a terrible fire that took place at his house in Hillegom.
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Young start-up Urban Crops wins Venture Academy
A jar, filled with water, that functions as an aquarium for fishes while plants or flowers grow on top. Urban Crops, a young start-up company, creates small eco-systems in jars by using aquaponic systems. The 'Ecojar' is a modern decoration in living-rooms and office spaces, but also purifies the air…
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Nature conservation in the Dutch Caribbean
A sense of security plays an important role in the decision to contribute to nature conservation. Stacey Mac Donald conducted four years of research on the influence of social and political changes and the (post) colonial context on nature conservation in the Dutch Caribbean. On 17 May she will defend…
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New eDNA method opens doors for environmental research
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…
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The parallels between quarrelling animals and humans
The journal Philosophical Transactions of the Royal Society – Biological Sciences published its theme issue ‘Conflict across taxa’ on 4 April, which was edited by Professor of Social and Organisational Psychology Carsten de Dreu. Together with researchers from other disciplines he provides more insight…
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André Ramcharan’s Leiden experience: ‘When I started, I didn’t see this as a career path.’
André Ramcharan has been a familiar face at the Faculty of Archaeology for decades. Joining our faculty without any knowledge on animal bones, he has become an expert on the matter, supervising the organisation and expansion of the faculty’s collection. ‘We expanded to include birds, fish, and shellfish.…
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Knowledge of Caribbean Amerindians crucial for colonisation of Americas
The significance of indigenous Amerindian knowledge has been marginalised in the history of the colonisation of the Americas. Wrongly, according to research by Leiden archaeologists. Indigenous knowledge and infrastructure were essential for the 'success' of the Spanish colonisers. Publication in the…
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Hans Slabbekoorn appointed professor: 'There are still gaps in our knowledge'.
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.’
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From field work by boat to excel sheets: how the corona virus is impacting education
Professor of Ecotoxicology Martina Vijver had planned an eight-week field work course for her students, but the corona virus threw a spanner in the works and Vijver had to come up with a new plan at short notice. ‘Without the help of my own network and that of my colleagues this would have been very…
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Working towards a better world together
Global problems such as diseases of affluence or microplastics in the sea are too complex to be dealt with from a single scientific discipline or by just one country. Leiden University has the expertise to bring solutions to these enormous problems a step closer. Read more in the research dossier on…
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Skull 'oldest Dutchman' retrieved from North Sea bed
A fragment of a human skull from the collection of the Dutch National Museum of Antiquities (RMO) and a decorated bison bone, both from the North Sea bed, are rare finds from the end of the last Ice Age. The finds are 13,000 years old and, as such, form the earliest known modern human from the Netherlands…
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Embryos of the bitterling perform a somersault. This teaches us something new about natural selection
Even embryos can become embroiled in an evolutionary arms race with another species. Leiden biologists demonstrate this with larvae of the rosy bitterling that parasitize the gills of freshwater mussels. They published their research on February 19 in PNAS.
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International press attention for the Agta
For years, Leiden anthropologists are doing fieldwork among the Agta, a hunter-gatherer group of the Northern Philippines. A new government road, which will cut through the Sierra Madre, recently attracted international press attention.
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Freek Vonk gets his own show on Discovery Channel
Biologist Freek Vonk had already appeared in the Time Warp programme, where he was shown milking a snake for its venom, which he needed for his doctoral research. On Friday 18 September, he explained his fascination for snakes to Matthijs van Nieuwkerk in ‘De wereld draait door’, a Dutch news and entertainment…
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From the Colossal to the Microscopic: exhibition on archaeological sciences in Van Steenis
Scientific methods and techniques have been employed in archaeological research since the very birth of the discipline. It is impossible to imagine modern archaeology without this expertise in archaeological sciences. These archaeological sciences take centre stage in the new temporal exhibition at…
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Queen Máxima inspects zebrafish embryos
On Wednesday the 4th of September, Queen Máxima opened the renovated tropical greenhouse complex of the Leiden Hortus Botanicus. At the occasion Máxima met with IBL-PhD student Mahin Ghorbani from Iran and talked with her about her work on drug discovery from Iranian medicinal plants using zebrafish…
- European Union Diplomacy
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Landscape change, community wellbeing and small island contexts
How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…
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How a Dutchman contributed to the rapid development of Singapore
Frans Stoelinga defended his thesis on 19 November 2020.
- Week 4: 29 January–4 February
- Week 4: 28 January – 3 February 2018
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Fundamental and translational medical biochemistry
Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…
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Exploring Leiden University College: A personal journey with alumna Georgina Kuipers
It has been just over a decade since the first students graduated with Leiden University’s unique Liberal Arts and Sciences Bachelor degree. We caught up with one of those pioneering graduates.
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‘But how many bacteria live on my hands, then?’ Micro-day in photos
From 22 to 24 October, researchers of the MARBLES-project informed museum visitors about microbes: bacteria and fungi that live all around us. The event was organised around the Micro-day of Leiden, which is this year’s EU City of Science.
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Veni for climate change and human evolution
Leiden archaeologist José Joordens has been awarded a Veni grant to develop her research on the role of climate change in early hominin evolution.
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In conversation with Frans Timmermans about plastics in Europe
14 March 2018 a Citizens’ Dialogue about plastic-use in Europe with First-Vice President Frans Timmermans took place in Utrecht. It was one in a series of dialogues organized by the European Commission held throughout Europe. LAPP-student Emily den Boer joined the evening.
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10 years old and already starting university?
On Saturday 19 November 2016 the students (9 – 12 years old) and several parents of the Transvaal University visited the Leiden University College (LUC) The Hague. The aim of the visit was to get acquainted with several scientific issues in an interactive session.