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A major theme of science fiction and of speculative biology is to convey a message of optimism or pessimism according to the author's worldview. [5] [6] Whereas optimistic visions of technological progress are common enough in hard science fiction, pessimistic views of the future of humanity are far more usual in fiction based on biology. [4]
Speculative evolution is often considered hard science fiction because of its strong connection to and basis in science, particularly biology. [ 4 ] Speculative evolution is a long-standing trope within science fiction, often recognized as beginning as such with H. G. Wells 's 1895 novel The Time Machine , which featured several imaginary ...
Science in science fiction is the study or of how science is portrayed in works of science fiction, including novels, stories, and films. It covers a large range of topics. Hard science fiction is based on engineering or the "hard" sciences (for example, physics, astronomy, or chemistry).
A bioactive compound is a compound that has an effect on a living organism, tissue or cell, usually demonstrated by basic research in vitro or in vivo in the laboratory. While dietary nutrients are essential to life, bioactive compounds have not been proved to be essential – as the body can function without them – or because their actions are obscured by nutrients fulfilling the function.
The journal is abstracted and indexed in Scopus and the Science Citation Index Expanded.According to the Journal Citation Reports, its 2020 impact factor is 1.756, ranking it 141st out of 160 journals in the category "Biotechnology & Applied Microbiology", [1] 37th out of 41 journals in the category "Materials Science, Biomaterials", [2] and 69th out of 91 journals in the category "Polymer ...
Climate change—science fiction dealing with effects of anthropogenic climate change and global warming at the end of the Holocene era; Megacity; Pastoral science fiction—science fiction set in rural, bucolic, or agrarian worlds, either on Earth or on Earth-like planets, in which advanced technologies are downplayed. Seasteading and ocean ...
The first issue of Vector was published in 1958 under the editorship of E. C. Tubb. [3] The publication was established as an irregular newsletter for members of the BSFA, founded in the same year, but "almost at once it began to produce reviews and essays, polemics and musings, about the nature and state of science fiction."
Bioactive glasses have been synthesized through methods such as conventional melting, quenching, the sol–gel process, flame synthesis, and microwave irradiation.The synthesis of bioglass has been reviewed by various groups, with sol-gel synthesis being one of the most frequently used methods for producing bioglass composites, particularly for tissue engineering applications.