History of aspirin other studies from the 1960s to the 1980s established aspirin's efficacy as an anti-clotting agent that reduces the risk of clotting diseases. Aspirin sales revived considerably in the last decades of the twentieth century, and remain strong in the twenty-first with widespread use as a preventive treatment for heart attacks and strokes. Medicines derived from willow trees and other salicylate-rich plants have been part of pharmacopoeias at least dating back to ancient Sumer. The Ebers Papyrus, an Egyptian medical text from ca. 1543 BCE, mentions use of willow and myrtle (another salicylate-rich plant) to treat fever and pain. Willow bark
Son of the Tree Son of the Tree Son of the Tree is a science fiction novella by Jack Vance. It was first published in "Thrilling Wonder Stories" magazine, June 1951, and in book form as half of an Ace Double in 1964 together with "The Houses of Iszm". The version that appears in the Ace Double is still less than novel length at about 31,000 words, but is essentially the same as the original magazine version. "Son of the Tree" was re-published as a stand-alone volume in 1974 by Mayflower. One of Vance's earliest efforts, and part science fiction, part espionage story, protagonist