To investigate how parents support children’s learning at an exhibit on evolution, the conversations of 12 families were recorded, transcribed, and coded (6,263 utterances). Children (mean age 9.6 years) and parents visited Explore Evolution, which conveyed current research about the evolution of seven organisms. Families were engaged Portions of this research were presented at the 2009 Biennia...

Rating on the Internet seems to be a rather new kind of activity. However, traditionally a quite large number of institutional rating mechanisms are established. We have studied a number of such rating methods to gain some insights about the role rating can play in the actions of of individuals and institutions.

What are the situations in everyday life that people enjoy and cherish? This paper presents a content and user study with two simple mobile phone applications called PosiPost to investigate this question and learn what people express as their pleasures in everyday life. Drawing from a corpus of 379 PosiPost messages that users shared, this paper presents an analysis of users’ pleasurable moment...