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Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals and societies; and the formal sciences (e.g., logic, mathematics, and theoretical computer science), which study formal systems, governed by axioms and rules. There is disagreement whether the formal sciences are science disciplines, as they do not rely on empirical evidence. Applied sciences are disciplines that use scientific knowledge for practical purposes, such as in engineering and medicine. (Full article...)
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Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction. All life over time eventually reaches a state of death and none is immortal. Many philosophical definitions of living systems have been proposed, such as self-organizing systems. Viruses in particular make definition difficult as they replicate only in host cells. Life exists all over the Earth in air, water, and soil, with many ecosystems forming the biosphere. Some of these are harsh environments occupied only by extremophiles. (Full article...)
Did you know...
- ... that the psychological inner space genre was a rebellion against the traditional focus of science fiction on literal outer space?
- ... that Mary Clutter used her directorial position at the National Science Foundation to require scientific conferences to include women speakers when presenting research done by them?
- ... that the vast majority of fiction, including science fiction, takes place on Earth?
- ... that an investigation found that most Mexican nutrition science students could not interpret a nutritional front-of-package labeling system correctly?
- ... that Ukrainian science fiction and fantasy is written both in Ukrainian and Russian?
- ... that a year after becoming the first woman president of the Canadian Political Science Association, Caroline Andrew moderated the first Canadian leaders' debate on women's issues?
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Science News
- 20 June 2024 – 2024 in archosaur paleontology
- Researchers announce the discovery the Lokiceratops rangiformis, a dinosaur species named after the Norse god Loki, in North America. The findings are published in the journal PeerJ. (ABC News)
- 20 June 2024 –
- The International Union for Conservation of Nature announces that the Iberian lynx has been upgraded from endangered to vulnerable for the first time since 1986, after a 2023 census showed a population of 2,021 animals. (BBC News)
- 5 June 2024 –
- Russian cosmonaut Oleg Kononenko becomes the first human to spend 1,000 days in outer space. (AP)
- 17 May 2024 –
- Scientists using the James Webb Space Telescope discover the earliest known merging of black holes, 740 million years after the Big Bang. (AP)
- 15 May 2024 – Discoveries of exoplanets
- Scientists announce the discovery of SPECULOOS-3 b, an Earth-size exoplanet that orbits a red dwarf star that has a similar size as Jupiter. (Space.com)
- 8 May 2024 –
- Researchers at Google DeepMind announce the development of AlphaFold 3, an AI model that can predict the structures of almost all biological molecules and model the interactions between them. (Time) (Nature)
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