July 8 How Are Your Manners? Highest Temperature Pressure for More Pay Widely Read Magazines Japan’s Expo ’70—Some Impressions Your Liver Speaks Up What Makes It Tick? Meeting the Demand in Switzerland I Was Once a Slave of the Demons Bananas Taste Good and Are Good for You A Trip Through Morocco’s Rif Mountains Safeguard Your Heart Watching the World Is the Human Race Doomed? The Greatest Mystery of All Time!