On the grounds of the Science Park Amsterdam, between the institutes of learning, is café-restaurant Polder. With its pleasant atmosphere, serving all day long, order a scrambled egg breakfast, a sandwich for lunch or from the copious dinner menu – much of which is made from organic ingredients. When it's cold outside, curl up in one of the armchairs by the wood-burning stove. When the weather is fine, eat at the picnic tables on the outdoor terrace.