522 search results for “sun and steen versie” in the Public website
-
Introduction webinar cyber security
Study information, Webinar
-
Information activities
Get to know us through our online and in-person events for prospective students!
-
Molecular inheritance from cloud to disk: a story of complex organics and accretion shocks
Stars like the sun are born in large molecular clouds existing from gas and dust. During the formation process, the chemical composition of the material can be altered drastically by the changing physical conditions.
-
A semisynthetic peptide-metalloporphyrin responsive matrix for artificial photosynthesis
This thesis is concerned with the constitution of chiral responsive matrix assemblies that may undergo light-driven conformational changes and self-select vibrations to develop vibronic states for driving semi-classical coherent transfer with nearly 100% yield in a lossless NCAP process.
-
The League Against Imperialism: Lives and Afterlives
The League Against Imperialism: Lives and Afterlives explores the dramatic and engaging story of a global institution that brought together activists across geographical and political borders for the goal of eradicating colonial rule worldwide.
-
The neurobiology of depression and the relation between stress, mental health, ageing and chronic illness
I want to understand the overlap between physical health, mental health, and healthy aging and whether/how stress (behaviorally and biologically) may tie these concepts together.
-
Development of personalized health monitoring using ultra-weak photon emission based on systems medicine concepts
Promotor: Jan van der Greef; Co-promotors: Mei Wang; Eduard van Wijk
-
Temporal Construals of Bare Predicates in Mandarin Chinese
This study presents the first systematic investigation and detailed theoretical analysis of the temporal interpretations of sentences with bare (aspectually unmarked) predicates in Mandarin.
-
Substrate adaptability of β-lactamase
The research aims to explore the evolutionary adaptability of enzymes and the impact of temperature on protein evolution pathways, using M. tuberculosis β-lactamase BlaC as the object of study. Enzymes inherently embody a delicate balance between activity and stability, and the acquisition of new enzymatic…
-
Workshops Autumn 2024
Check out our varied programme!
-
Supermassive Black Holes
Lecture, Studium Generale
- French 3
- French 2
- French 4
-
Sustainabul ranking 2020
How did Leiden University score in terms of sustainability this year?
-
Staff
The Cyber Security lecturers are scholars and lecturers of Leiden University, Delft University of Technology and The Hague University of Applied Sciences.
-
Complex Organic Molecules Discovered in Infant Star System
For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…
-
Gaia sees strange stars in most detailed Milky Way survey to date
Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers, led by the Leiden astronomer Anthony Brown, describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.
-
Sustainability - The sustainable university
In this dossier you can read about Leiden University’s commitment to sustainability.
-
Surveying young stars with Gaia: Orion and the Solar neighbourhood
OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.
-
Linking global crop and livestock consumption to local production hotspots
International trade plays a critical role in global food security, with global consumption having highly localized environmental impacts.
-
Going global to local: achieving agri-food sustainability from a spatially explicit input-output analysis perspective
The global agri-food system plays a critical role in food security and environmental issues.
-
The Encyclopedia of Migration and Minorities in Europe. From the 17th Century to the Present
Although migration and integration have become important concepts today as a result of globalization, migration movements, integration, and multiculturalism have always been part of the history of Europe. Few people realize how many ethnic groups participated in migration within Europe or into Europe…
-
Mining the kinematics of discs to hunt for planets in formation
Detecting planets during their formation stages is crucial for understanding the history and diversity of fully developed planetary systems like our own. However, observing young planets directly is challenging because they are often deeply embedded within their host protoplanetary discs, rich in gas…
- Opening hours
-
On a quest to discover where stellar-mass black holes merge
PhD defence
- Week 4: 29 January – 4 February
-
How do you recognise the atmosphere of extraterrestrial lava worlds?
In the past 30 years, over 5,000 planets have been discovered outside our solar system. One common exoplanet is the lava world, a hot super-Earth with oceans of liquid lava. Mantas Zilinskas developed models to simulate possible atmospheres of these. Those simulations provide guidance for astronomers…
-
Leiden astronomers discover potential near-Earth objects
Three Leiden astronomers have shown that some asteroids that are considered harmless for now, can collide with Earth in the future. They did their research with the help of an artificial neural network. The results have been accepted for publication in the journal Astronomy & Astrophysics.
-
Astronomers find missing link for origin of water in solar systems
An international team of astronomers, including astronomers from Leiden University, has found the missing link in the path taken by water through star-forming clouds and young stars to comets and planets. They did so with the help of the ALMA observatory in Chile. The researchers published their findings…
-
‘Investment risk is holding back energy transition’
The present market regulations make it extremely risky to invest in green energy, and this is impeding the fight against climate change. This is what Oscar Kraan writes in his dissertation. PhD defence on 25 April.
-
‘Do something for the broader astronomy community as well’
As Director-General of the ESO for the past ten years, Leiden University astronomer Tim de Zeeuw had ‘the best astronomy job in the world’. Back at the Leiden Observatory, he is focusing on the first 3D map of the Milky Way.
-
What plant genes can teach us
Just like us, plants also produce growth hormones, and they also go through an ageing process. The study of the genes and mechanisms behind these processes is useful not only for crop breeding and agriculture, but also for medical research. That is the view held by Professor of Plant Developmental Genetics…
-
Getting students away from screens... and into the landscape
Leiden University's International Honours College, Leiden University College The Hague (LUC) experienced empty halls and empty classrooms this past year on the residential campus on the Anna van Buerenplein in The Hague due to the global pandemic. Dr Paul Hudson designed a Covid-proof course that enabled…
-
Wives of professors, students and alumni played a crucial role in Leiden’s women’s rights movement
PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.
-
Leiden student city
Leiden is a lively university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. Read on to discover what Leiden has to offer and get a foretaste of what you can expect.
-
Launch of the seventh edition of the European Cyber Security Perspectives
On 4 March, KPN published the seventh edition of the European Cyber Security Perspectives. Els De Busser and Tommy van Steen, both Assistant Professors at the Institute of Security and Global Affairs, have contributed an article on interdisciplinarity.
-
Mandela Scholarship Fund
Bachelor, Master
-
Electric car batteries can help drive the clean electricity transition
As early as 2030, batteries in electric vehicles could fully meet the need for short-term electricity storage around the world. By connecting them to the power grid they can provide their stored energy, improving energy security and enabling renewable technologies in cleaning the grid.
-
Simone van der Hof delivers 2022 Mulock Houwer Lecture
On 24 November 2022, Simone van der Hof delivered the annual Mulock Houwer Lecture. The title of the lecture was ‘Niet om de knikkers maar om het spel – Over de digitale versie van een vergeten kinderrecht’.
-
Solar telescope officially unveiled in Old Observatory
After nearly 70 years, the Leiden Observatory has a new telescope. A crowdfunding action in March brought in the 20,000 euros required to build a solar telescope. On 19 September Rector Magnificus Carel Stolker officiated at the opening.
-
No exams or lectures, but building a radio telescope with empty paint cans
No more lectures and exams for the Radio Astronomy course taught by Michiel Brentjens. The corona crisis is a moment of reflection that has changed his whole way of teaching. Instead of being in front of the class, he lets his students build a radio telescope with paint cans.
-
Rare Mercury transit visible with Leiden telescope
On Monday 9 May Mercury will pass between the Earth and the Sun. This rare event can be followed in the Leiden Observatory. The Observatory's new solar telescope produces a very clear image and offers a unique opportunity to observe Mercury at the highest magnification possible in the Netherlands.
-
Refugee students work on their future in Leiden
Thanks to the Preparatory Year Leiden, refugee students get the opportunity to start a new study or continue their current one. This joint programme of Leiden University and University of Applied Sciences Leiden enters its third year. In this video, participants talk about their experiences.
-
From solar panels to tables made from old jackets: University opens its doors on Heritage Open Days
The theme of the Heritage Open Days Leiden on 10 and 11 September is sustainability. At four University locations guides will talk about the history of the buildings and how they have been renovated. And there is a first: tours in sign language.
-
Giant cosmic tsunami wakes up comatose galaxies
Galaxies are often found in clusters, which contain many “red and dead” members that stopped forming stars in the distant past. Now, an international team of astronomers, led by Andra Stroe of Leiden Observatory and David Sobral of Leiden and the University of Lisbon, has discovered that these comatose…
-
Ewine van Dishoeck shows us new worlds in Dies lecture
Her specialist field is molecular astrophysics, and she is the most quoted scholar in her field. In this, the year of astronomy, she is the ideal person to give the Dies lecture at the university with the world's oldest astronomy institute; it goes without saying that the lecture will be on the newest…
-
Opening 'Stadsfotograaf Leiden' photo exhibition
For one year, seven young anthropologists were appointed as Stadsfotograaf Leiden. They published on a weekly basis photo-series on daily life in and around Leiden in the local newspaper. A selection of these photographs is currently on display in a pop-up exhibition! Come by on 28-29 September at Papengracht…
-
Typological tendencies in verse and their cognitive grounding
Knowledge and culture subproject 4:
-
Biophysical Organic Chemistry
The long term goal of the Biophysical Organic Chemistry/SSNMR group, headed by Prof. Huub de Groot, is to reach an understanding of structure, dynamics and functional mechanisms of membrane proteins and self-organized biological assemblies and to translate this knowledge into new concepts for nano-devices,…