Are you thinking about studying Staats- en bestuursrecht? Learn more and watch the videos. Please note that this programme is taught in Dutch.

Maurijn van der Zee, at the IBL since 2010, investigates how genetic changes in developmental programs lead to new animal forms in evolution, using insects as model system. His field of research is called evolutionary developmental biology. Currently, he is working on the success and diversity of the…

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

The Department of Constitutional and Administrative Law of Leiden University is active in education in various ways.

The PR-Committee aims at developing an optimal image of the Institute of Biology Leiden (IBL) among future and current students, teachers of biology at high schools, academics outside and within the institute, journalists, interested laymen, Bioscience industrial parties and Leiden citizens.

Do you have questions about the specialisation Evolutionary Biology? Please contact us!

The fact that a significant number of seats in the Dutch provincial councils are now occupied by members of the Dutch Farmer-Citizen Movement (BoerBurgerBeweging, BBB) who have an agricultural background need not lead to conflicts of interest when voting on, for example, nitrogen emissions. This is…

In 2014 Hans-Martien ten Napel received a Research Fellowship in Legal Studies at the Center of Theological Inquiry in Princeton, NJ. The book he wrote as a result of this fellowship was published last week by Routledge Law.

Do objectively correct solutions to ethical dilemmas exist? Or is ethics always a matter of your opinion against my opinion? How do you know what to do? What kind of thing is ethics anyway? Can you be an expert in ethics?

Het is een wijdverbreid idee dat (post-)middeleeuwse steden een sterfteoverschot hadden en zij slechts in leven konden blijven door de toestroom van migranten; een fenomeen dat bekend staat als het ‘urban graveyard’-effect. Over details valt te twisten, maar duidelijk is dat de stad en de dood dichter…

Promotores: E. van Dijk, G.R. de Snoo. Co-promotor: H. Staats

Politically speaking, the Frisian coastal area constitutes a special case in late medieval Europe since it was not subject to an overlord as it withstood feudalization in the 13th century. Its many sub regions, which were dominated by elites of small noblemen and freeholders, long time succeeded in…

Nederland ligt in de periferie van het verhaal van menswording. De evolutie van onze familie vindt lang exclusief in Afrika plaats. En, als Europa eenmaal bewoond wordt door mensachtigen, ligt het zwaartepunt ten zuiden van onze streken. Toch heeft ons land een aantal interessante vindplaatsen en vondsten…

NNMT wordt beschouwd als een nieuw potentieel farmacologisch doelwit in de behandeling van een verscheidenheid van kankers, stofwisselingsziekten en andere pathologieën. Het toenemend aantal publicaties waarin de rol van NNMT bij ziekten wordt opgehelderd, heeft op zijn beurt de ontwikkeling van krachtige…

Dit rapport maakt deel uit van het project Receptenboek burgerparticipatie in opdracht van de Rijksdienst voor het Cultureel Erfgoed (RCE) en met steun van het Fonds voor Cultuurparticipatie.

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Dr. M. van der Zee

What is the function of the insect serosa?

Animal Sciences’ contributions to the Development & Disease research theme include the mechanisms and evolution of embryonic development, the development of cognitive mechanisms, and animal models for understanding mechanisms of human disease.

Animal Sciences’ contribution to the Bioactive Molecules research theme includes research on molecules from natural sources, such as plants, insects, and snake venom, with the aim to identify novel anti-cancer, anti-inflammatory, anti-microbial, and anti-diabetic agents.

Animal Sciences’ contributions to the Host-Microbe Interactions research theme focus on the interaction of animal hosts with pathogenic microbes but also the beneficial role of the gut microbiome.

The central question in this study is: ‘What can the Netherlands learn from the way in which these countries have organized law enforcement and the rule of law in their overseas territories?’

Animal Sciences’ contributions to the Evolution & Biodiversity research theme include evo-devo research, the evolution of cognitive and behavioural traits, and the evolutionary mechanisms of stress adaptation. This research involves both indoor and outdoor studies.

Open online education has become a highly popular method of education. The current project aims to further our knowledge of how open online courses can be best designed to be consistent with human learning mechanics and facilitate meaningful learning.

Promotor: Prof.dr. J. Schaye, Co-promotor: Marcello Cacciato

Hans-Martien ten Napel recently published a volume with Routledge, Culture, Secularization, and Democracy; Lessons from Alexis de Tocqueville, co-edited with Prof. Sophie van Bijsterveld (Radboud University Nijmegen).

Foute taal? Bestaat niet!

Covid-19 is een disruptieve ontwikkeling die hier en nu veel vraagt van zorgprofessionals, bestuurders en managers. Hoewel de crisis nog volop bezig is, is nu al duidelijk dat het Coronavirus een blijvende impact zal hebben op zorginstellingen en fundamentele vragen oproept over hoe we onze zorg optimaal…

Wondering who appeared at the start in 2019?

Leiden University offers its students a wide range of bachelor's, master's and minors that explore sustainability or climate. Here, you find an overview of those programmes in the academic year 2020-2021.

Maurijn van der Zee, evolutionary biologist at the IBL, received the National Zoology Award for his research on the evolutionary success of the insects. The award was handed out last Saturday, the 17th of December, by Professor Jan Kammenga, chairman of the Royal Dutch Zoological society.

De voorjaarsvergadering van de Stichting Oudchristelijke Studiën vindt plaats op 7 maart 2020. De ochtendlezing wordt verzorgd door Prof. Gie Vleugels, terwijl Dr. Klazina Staat instaat voor de middaglezing.

De Koninklijke Hollandsche Maatschappij der Wetenschappen keert, daartoe in staat gesteld door het Jan Brouwer Fonds, jaarlijks acht scriptieprijzen van elk 2.000 euro uit voor de geestes- en maatschappijwetenschappen. Deadline voor nominaties: 7 oktober 2022.

How can governments reach their policy goals in the most effective way? Which manner of financing is the most suitable? Does the spirit of our times call for new forms of subsidy? What does the future of subsidy law look like?

Have you had a busy week at work? If so, it’s better to take a walk in a natural environment than to go shopping in the city.

In an appeal case, an employee of a care organisation in Nijmegen who was shown the door because of her criticism about the coronavirus voiced on LinkedIn, has had her dismissal reviewed. The court in Arnhem ruled that the employee had crossed a line and that her employer was entitled to dismiss her…

Anéla Conference registration is now open and the full programme is online.

Op deze pagina vind je antwoorden op veelgestelde vragen.

Does knowledge of environmental performance change farmer's behaviour?

Science, Leiden Institute of Physics (LION)

Science, Leiden Institute of Physics (LION)

Chris Jacobs, former PhD-student of the IBL, received the national “Dissertation Award” for best PhD thesis of the year on insects. The award was handed out last Friday, the 18th of December, by Professor Matty Berg, president of the Dutch Entomological Society.

The main purpose of DNAmarkerpoint is to better understand the ecology, evolution and biodiversity through the study of ancient- and modern DNA.