Bark (botany) rope, used for example in the rigging of Viking age longships. Among the commercial products made from bark are cork, cinnamon, quinine (from the bark of Cinchona) and aspirin (from the bark of willow trees). The bark of some trees notably oak ("Quercus robur") is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber production are often used in bark mulch in western North America. Bark is important to the horticultural industry since in shredded form it is used for plants that do not thrive in ordinary soil, such as epiphytes.
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