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  1. Wood | Properties, Production, Uses, & Facts | Britannica

  2. Wood - Wikiwand

  3. Wood - An introduction to its structure, properties, and uses

  4. Tree - Anatomy, Organization, Wood | Britannica

  5. Wood — the vein that runs through human history - Nature

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    Hardwood is wood from dicot trees. These are usually found in broad-leaved temperate and tropical forests. In temperate and boreal latitudes they are mostly deciduous, but in tropics and subtropics mostly evergreen. Hardwood (which comes from angiosperm trees) contrasts with softwood (which is from gymnosperm trees).
    en.wikipedia.org
    Softwoods typically come from evergeen (coniferous) trees (those that have needles and cones and retain them year-round, also called gymnosperms. Examples include cedar, cypress, fir, pine, spruce, and redwood. Photo: Left/above: Hardwood comes from deciduous trees like this oak. Its leaves (inset) drop off in the fall and new ones grow in spring.
    Wood has been used for thousands of years for fuel, as a construction material, for making tools and weapons, furniture and paper. More recently it emerged as a feedstock for the production of purified cellulose and its derivatives, such as cellophane and cellulose acetate .
    en.wikipedia.org
    The “Age of Wood” has been effaced, along with its fragile, rapidly decaying remnants. The earliest evidence for woodworking comes from a 1.5-million-year-old Homo erectus site called Peninj in Tanzania. Here, researchers found residues of acacia wood clinging to stone hand axes.