My husband had to go to Cambridge, UK, this week to do some talking on a researchers congress and asked me to go with him. It was a while ago we went on a trip with just the two of us, so after changing some shifts at work I could go with him and booked a flight. Cambridge, as you may know, is a university town and mainly consists of colleges. It's the place where professor Stephen Hawking spend his last years, where Darwin and Newton studied (among lots of other famous scientists) and where Crick and Watson came up with the idea of the helix molecule structure of DNA. Cambridge isn't very large and I think most of the residents aren't students, but tourists. It's very crowded in the streets, sidewalks are full of slow walking people and to pass them you have to watch out very carefully, since cars drive on the left side of the road instead of right. Nonetheless, Cambridge is a friendly town with a lot of history and a lot of things to see. On the first...