History of aspirin tree in 1758 and noticed an astringency reminiscent of the standard—and expensive—ague cure of Peruvian bark. He collected, dried, and powdered a substantial amount of willow bark, and over the next five years tested it on a number of people sick with fever and agues. In his letter, Stone reported consistent success, describing willow extract's effects as identical to Peruvian bark, though a little less potent. (In fact, the active ingredient of Peruvian bark was quinine, which attacked the infectious cause of malaria, while the active ingredient of willow extract, salicin, relieved the symptoms of malaria but could not cure
The Tree of Life (film) the film is included on both Blu-ray and DVD editions of "The Tree of Life", was released on September 11, 2018, along with a new 4K digital restoration of the original version. Both editions also include the film's trailer, the making-of documentary "Exploring "The Tree of Life"", a 2011 interview with composer Alexandre Desplat, new interviews with actress Jessica Chastain, visual-effects supervisor Dan Glass, and music critic Alex Ross, and a 2011 video essay by Matt Zoller Seitz, as well as a booklet containing essays by film critics Kent Jones and Roger Ebert. The cover used for both editions is