Portal:Science
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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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In physics, energy (from Ancient Greek ἐνέργεια (enérgeia) 'activity') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light. Energy is a conserved quantity—the law of conservation of energy states that energy can be converted in form, but not created or destroyed. The unit of measurement for energy in the International System of Units (SI) is the joule (J). (Full article...)
Did you know...
- ... that Charles Leslie Richardson was ordered to "make science fashionable in the army"?
- ... that Godwin Obasi has been described as "Africa's gift to the world of climate science"?
- ... that one of the first Polish science fiction novels featured a trip to the South Pole by airship, a decade before a similar airship was built?
- ... that some of the optics for the James Webb Space Telescope were made at the NETPark science park in northern England?
- ... that Science Park station was built despite the objections of the operating agency?
- ... that Julie Mennell was a police officer and a forensics specialist before she became vice chancellor of the University of Cumbria?
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Science News
- 12 March 2024 –
- A scientific expedition to the Bounty Trough off the coast of New Zealand reports the discovery of more than one hundred new species. (The New York Times)
- 28 February 2024 –
- The Canadian government releases its report into the high-profile firings of two scientists from the National Microbiology Laboratory in Winnipeg, Manitoba, in 2021, stating that the pair worked closely and covertly with the Chinese government. (National Post)
- 20 February 2024 –
- Astronomers identify the most luminous object ever observed, QSO J0529-4351, a quasar that accretes around one solar mass per day. (The Guardian) (Nature.com)