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Modern agricultural science has greatly reduced the use of tillage. Crops can be grown for several years without any tillage through the use of herbicides to control weeds, crop varieties that tolerate packed soil, and equipment that can plant seeds or fumigate the soil without really digging it up.
A tiller is a shoot that arises from the base of a grass plant. The term refers to all shoots that grow after the initial parent shoot grows from a seed. [1] [2] Tillers are segmented, each segment possessing its own two-part leaf. They are involved in vegetative propagation and, in some cases, also seed production.
William A. Tiller (Toronto, Canada, September 18, 1929 – Scottsdale, Arizona, February 7, 2022) was a professor of materials science and engineering at Stanford University. [ 1 ] [ 2 ] He wrote Science and Human Transformation , a book about concepts such as subtle energies beyond the four fundamental forces , which he believes act in concert ...
North Museum of Nature and Science, Lancaster; Oakes Museum of Natural History, Mechanicsburg; Reading Public Museum, West Reading; Schisler Museum of Wildlife & Natural History and McMunn Planetarium, East Stroudsburg; State Museum of Pennsylvania, Harrisburg; Tom Ridge Environmental Center, Erie; Wagner Free Institute of Science, Philadelphia
A scientific collection is a collection of items that are preserved, catalogued, and managed for the purpose of scientific study. [1]Scientific collections dealing specifically with organisms plants, fungi, animals, insects and their remains, may also be called natural history collections or biological collections. [2]
Entrance to the Science Museum of Virginia. A science museum is a museum devoted primarily to science.Older science museums tended to concentrate on static displays of objects related to natural history, paleontology, geology, industry and industrial machinery, etc. Modern trends in museology have broadened the range of subject matter and introduced many interactive exhibits.
Bioculture is the combination of biological and cultural factors that affect human behavior. [1] It is an area of study bounded by the medical sciences , social sciences , landscape ecology , cultural anthropology , biotechnology , disability studies, the humanities , and the economic and global environment.
Among the most widely used throughout history are alcohol, produced by fermenting cereals with yeast (a fungus), [48] tobacco, coffee, tea, chocolate, cannabis, coca (used as leaf for some 8,000 years in Peru, [49] [50] and in recent times also purified to cocaine), mescaline (from a cactus) and psilocybin (from a fungus).