*Today's selection -- from **The World in a Grain: The Story of Sand and How it Transformed Civilization* *by Vince Beiser.* Sand, the most important solid substance on Earth:
"[Sand is the] most important solid substance on Earth, the literal foundation of modern civilization. …Sand is the main material that modern cities are made of. It is to cities what flour is to bread, what cells are to our bodies: the invisible but fundamental ingredient that makes up the bulk of the built environment in which most of us live. https://delanceyplace.com/view-archives.php?p=4363 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#8137): https://groups.io/g/marxmail/message/8137 Mute This Topic: https://groups.io/mt/82263349/21656 -=-=- POSTING RULES & NOTES #1 YOU MUST clip all extraneous text when replying to a message. #2 This mail-list, like most, is publicly & permanently archived. #3 Subscribe and post under an alias if #2 is a concern. #4 Do not exceed five posts a day. -=-=- Group Owner: [email protected] Unsubscribe: https://groups.io/g/marxmail/leave/8674936/21656/1316126222/xyzzy [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
