The Pope appealed for a "a renewed season of evangelisation" in an address to representatives of Rome diocese last night. Benedict XVI has marked World Blood Donor Day, celebrated today, by urging young people to give blood. Fr Tim Finigan says that the Bishops of England and Wales have now made it clear that the faithful may receive Holy Communion kneeling. Elizabeth Schiltz describes what it was like to spend a few days with the Holy See's delegation at the recent UN meeting on HIV/Aids. And Kevin Collins argues that Terrence Malick's new film, Tree of Life, has less to offer Catholics than many reviewers claim.