"On many rune stones the interplay between ornamentation and the runes is striking. To people of the Viking Age, the actual runes were only part of the message of the rune stone"
"Scientists have discovered the secret behind an ancient Chinese super-strong mortar made from sticky rice, the delicious "sweet rice" that is a modern mainstay in Asian dishes. They also concluded that the mortar ? a paste used to bind and fill gaps between bricks, stone blocks and other construction materials ? remains the best available material for restoring ancient buildings."