Stellar feedback is a crucial ingredient in the evolution of galaxies.

This PhD thesis concerns the topic of arithmetic geometry. We address three different questions and each of the questions in some way is about counting how big some set is or can be.

How can mega sand nourishments, such as the Sand Motor, be designed and managed for optimal ecosystem services provision ?

Canadian Roméo Dallaire (1946) was UN Commander in Rwanda at the time of the genocide there, subsequently becoming a champion of human rights. He has worked as a researcher at several different universities, and was a senator in Canada for nine years. Dallaire will give this year's Cleveringa lecture…

Rigid materials break more easily than floppy ones. This simple observation allows to predict and control the width of cracks. Theoretical understanding of how materials break is useful in for example the production of cars or screens. Publication in PNAS.

Marije Groos was a PhD researcher at the LUCAS. She completed her thesis on socio-political engagement in Dutch literary periodicals of the fifties. Her promoters are Yra van Dijk, professor of Modern Dutch Literature, and Ton Anbeek, emeritus professor of Modern Dutch Literature.

TEXTS FROM ANCIENT EGYPT. Highlights from the Collection of the Leiden Papyrological Institute. Online exhibition on the occasion of the 80th anniversary of the foundation ‘Het Leids Papyrologisch Instituut’ in 2015.