NOVA: What patterns have you found across the landscape of Giza? LEHNER: The stone that the pyramids are founded on is a hard stone composed of an extinct fossil called nummulites, a word that ...

“My father, Karl Scheufele, introduced exquisite goldsmithing techniques that enabled the use of hard-stone dials when he took over Chopard in 1963,” explained Caroline Scheufele, Chopard’s ...

“I like to use stones as a backdrop to perennials such as iris. The tall iris blades contrast beautifully with the hard stone,” she says. Existing boulders or outcroppings can be highlighted ...