Commercials for junk food are being banned on children's television, but advertisers are moving onto a new battlefield - the internet. Helen Pidd reports.
Kathryn Hughes finds that Animal, Vegetable, Miracle - Barbara Kingsolver's chronicle of living off the land - is saved from being preachy by glorious wit.
Getting a nursery class to salute the sun, or do a downward dog, may seem a bit ambitious, but as Sabine Durrant discovers, yoga can help children's development.