541 search results for “light pollution” in the Public website
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Leiden biologists find nanoplastics in developing heart
Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.
- International Day of Light
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Canal Watch scoops communication prize
Canal Watch (De Grachtwacht), which has been cleaning canals since 2018, has received the Dutch Research Council (NWO) Communication Initiative Award.
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Probing complex problems
Issues such as climate change, the depletion of natural resources or social inequality are too complex to be addressed from a single scientific discipline or by a single country. Leiden University has the expertise to bring the resolution of these enormous problems a small step closer.
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New investigation of South African rock shelter sheds light into Middle and Later Stone Age modern human behaviour
In the eighties the Umhlatuzana rock shelter in Kwa-Zulu Natal, South Africa, was excavated. Results from this excavation led to an understanding when the Later Stone Age started in this area. This archaeological period is often associated with the structural presence of modern human behavior. Now a…
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Leiden academics nominated for Person of the Year
Leiden academics Remco Breuker and Auke-Florian Hiemstra stand to win the title of Person of the Year.
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Workshop ‘Caribbean World Heritage Sites in the light of today’s global challenges: the case of Historic Bridgetown and Its Garrison'
Last month (February 5-8 2024), the University of the West Indies, Cave Hill Campus, Barbados, hosted a workshop entitled ‘Caribbean World Heritage Sites in the light of today’s global challenges: the case of Historic Bridgetown and Its Garrison’.
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Sustainable Chemistry and Biotechnology
If mankind wants to survive into the 22nd century, we will need to change the way we live drastically. The human impact on our planet is everywhere, we are changing the atmosphere, the oceans and the land, leading to global warming, climate change, loss of biodiversity and pervasive pollution. There…
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Comparative biology of common and grey seals along the Dutch coast : stranding, disease, rehabilitation and conservation
Promotores: H.A. Udo De Haes, P.M. Brakefield
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Moving towards Coexistence and Cooperation: The Spratly Islands and International Law
On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.
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Bearing with noise: The effects of highway noise on behaviour and development in zebra finches
Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.
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Nanomaterial safety for microbially-colonized hosts: Microbiota-mediated physisorption interactions and particle-specific toxicity
The external tissues of plants and animals are colonized by microbial communities termed microbiota. When organisms are exposed to environmental pollutants, these substances will therefore encounter microbiota at the exposure interface.
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Resolving gas-phase metallicity in galaxies
Galaxies are environments where gas coalesces, cools, and is converted into stars. However, it remains unclear the exact mechanisms through which galaxies acquire, redistribute and lose their gas.
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Living labs and citizen science
Living labs make it possible for citizens to participate in research for sustainable development of their environment. This way citizens, together with scientists and stakeholders, create local conditions for food production, healthy environment, and biodiversity.
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Plasticspotters
The Grachtwacht (Canal Watch) conducts research on urban wildlife and the impact of plastic on nature. With our clean-ups, we not only collect waste, but also data. This way we try to find out the source of the waste and turn off the tap on shore. This way there is structurally less plastic in the c…
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Onderzoek naar vervuiling in de natuur
Leidse milieuwetenschappers doen onderzoek naar microplastics, bestrijdingsmiddelen en bemesting. En binnenkort naar lichtvervuiling en nieuwe materialen uit de nanotechnologie.
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LC-Impact
How can we develop and further improve life cycle impact assessment methods, characterisation factors and normalisation factors?
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Get to know Law and Society
Law and legal institutions play an important role in the organisation of society. They can be used to address and regulate social problems ranging from migration and terrorism to corruption, and from pollution and climate change to social and gender equality. But laws and institutions, and the way in…
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Get to know Law and Society
Law and legal institutions play an important role in the organisation of society. They can be used to address and regulate social problems ranging from migration and terrorism to corruption, and from pollution and climate change to social and gender equality. But laws and institutions, and the way in…
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Resources and Energy
How do technological systems impact the environment? And can they be designed in a more sustainable way? The Resources and Energy research program studies the importance of resources and energy for our society and aims to guide the shift towards a sustainable circular economy.
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LUC- project UNPLASTIC wins Dopper Changemaker Challenge
UNPLASTIC, a research project by Leiden University College The Hague (LUC) won the Dopper Changemaker Challenge 2019. LUC student Roos Kolkman represented UNPLASTIC during the semi-finals on Saturday.
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Lighting Up Cancer Aggressiveness
PhD defence
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MERCOSUR’s new conditions for the common customs tariff will see the light at the end of June
Intensive and decisive days are coming for the future of MERCOSUR’s external relations. In around two weeks, the regional organization’s negotiating and technical teams will publish the new conditions for the common customs tariff
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A computational study of structural and excitonic properties of chlorosomes
The long-held desire - to link structure directly to function and to explain molecular mechanisms based on basic chemical or physical principles - is finally coming closer, satisfying not only our scientific curiosity but also offering new solutions to the many challenges in the field of health, energy…
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Zware metalen hebben slechte reputatie, maar genezen ook kanker
Veel mensen denken dat zware metalen giftig zijn en mens en natuur altijd schade aanbrengen. Dat beeld moet genuanceerd worden, vindt hoogleraar Sylvestre Bonnet.
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Willem van der Does sheds new light on the at times pitch-black history of psychiatry
Piercing through the skull with an ice pick, administering electric shocks without an anaesthetic, or applying leeches to the uterus: these may seem like medieval methods of torture, but they are in fact therapies used in medicine. Willem van der Does writes about all of them in his new book. ‘Physicians…
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Gendered impacts of industrial logging
This study focuses on the local level impacts of a highly globalised industry: the international trade in tropical timber.
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Impact and city
Leiden University and the city of The Hague are working closely together to increase the impact of our research and education in order to contribute as much as possible to the development of the city.
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The town, its waste and the cesspit
The rise and fall of the cesspit in an urban context
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The East Kalimantan Project
Indonesian Law and Reality in the Mahakam Delta
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Discoveries in 2023
From nanoparticles to colliding ice planets and from biological origami to new x-ray scanner techniques: this year again, our scientists have made wonderful discoveries. From the largest numbers to the smallest molecules and from the oldest galaxies up to the latest algorithms, take a look at each institute's…
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Substances from Cradle to Grave
Materials balances have been used in the recent past for the analysis of substance oriented environmental problems and the formulation of measures for environmental policy. In this study an integrated tool, based on the materials balance principle, has been developed for the analysis of both environmental…
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Towards an effective biodiversity conservation and governance in the Pontocaspian region
Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…
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Research
The mission of our group is understanding how science communication works to improve the interaction between science and society. We believe better science communication can improve our society and engage many different groups with science, also improving science.
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Thinking Global, Acting Local
The first year cohort of Leiden University College The Hague recently under took a local lesson which saw them collect 10200 pieces of plastic from their local communities. Of the total collected, 52% was plastic.
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Plastic nanoparticles make larval zebrafish hyperactive
Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…
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Nanoplastics found throughout the human body – how worried should we be?
The world is becoming clogged with plastic, with tiny plastic particles found everywhere, from the oceans’ depths to the mountain tops, soil, plants, animals and even inside us. The question is: what harm, if any, are they causing? In a new article on The Conversation, environmental scientists Meiru…
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ImageInLife: Training European experts in multilevel bioimaging, analysis and modelling of vertebrate development
How can novel bioimaging technologies and vertebrate model species be used to gain a better understanding of early cellular behaviours with the ultimate goal to increase our understanding of human development and disease processes?
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Research at the Living Lab
What is the effect of pesticides, fertilizers or plastic on water quality? And how do wind and rain affect the data? These are just some of the things that Leiden environmental scientists study in the 32 ditches of the Living Lab.
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CitiObs – Enhancing Citizen Observatories for healthy, sustainable, resilient and inclusive cities
CitiObs will consolidate and apply tools and practice-based knowledge for co-creating data, knowledge and local action regarding the environmental impacts of climate change and human activity in the urban context via Citizen Observatories.
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Marjolein Fokkema: ‘My algorithms produce increasingly flexible decision trees for mental-health professionals’
Making predictions about emotional problems or the effects of air pollution: Marjolein Fokkema’s algorithms are getting better at this all the time. She is making her algorithms increasingly flexible, so they can predict not just characteristics at one particular moment, but also how skills, for example,…
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Science for Sustainable Societies (BSc)
How do you involve a local community to tackle biodiversity loss? How do you create awareness and political movement on climate change? And how do you find a balance between environmental impacts and economic needs when it comes to pollution? These are examples of core questions at the heart of a new…
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Development of a consistent methodology for assessment of the combined effects of metal-based chemicals to lettuce (Lactuca sativa L.)
How to improve the method in quantifying the combined effects of metal-based chemicals?
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LIFE-GREENAPI
Development & demonstration of low environmental impact innovation and optimization practices in pharma production.
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Sustainable City Lab - scientists and residents in The Hague work together to find solutions for sustainable living
A place where scientists and students from Leiden University and residents of The Hague come together to create innovative solutions for sustainable living in the city: that's what the Sustainable City Lab aims to be. When we talk about "sustainable living" we think of many different things. For example:…
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Research with animals
At Leiden University, in both our biomedical and biological research, we use laboratory animals. Learn more about these specific areas of research and the goals we aim to achieve through these studies.
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India at a Crossroads: SDGs and Cooperation with the EU
Shah recently wrote an op-ed for the Commentaries series of the Istituto Affari Internazionali in Rome, which has been published online. The piece is on India’s performance and priorities regarding the UN sustainable development goals (SDGs) and collaboration with the EU.
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Talks
Five talks will be given during the Leiden Science Family Day: two children's lectures and three lectures for adults. Will you be there ?
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Bird behaviour and environmental health in the context of anthropogenic threats to wildlife and nature in China
We study the link between the acoustic, behavioral and physiological health of birds and prominent pollution factors. We aim to explore causation through experimental studies on detrimental factors like traffic noise, particulate matter and chemical toxins. Our primary target is scientific progress…
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SATURN: Developing Solutions for Underwater Radiated Noise – Sound impact on migratory fishes
Do natural soundscapes affect migratory decisions of fishes moving up and down rivers and is this process disturbed by vessel sounds?