Adults are taking stimulants like Ritalin and Adderall, normally used to treat serious medical conditions, to boost their concentration and job performance. Critics ask: Is it making Americans too dependent on their medicine cabinets?
An Ivy Leaguer spends a semester undercover at a fundamentalist Christian university – and is surprised by what he discovers.
Gregory Maguire brings the characters of "Wicked" into a sequel.
Historian and theologian Martin Marty considers Christianity throughout time and across borders.