Portal:Science
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Science is a strict systematic discipline that builds and organises knowledge in the form of testable hypotheses 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 scientific 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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The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments. Space and time, according to the prevailing cosmological theory of the Big Bang, emerged together 13.787±0.020 billion years ago, and the universe has been expanding ever since. Today the universe has expanded into an age and size that is physically only in parts observable as the observable universe, which is approximately 93 billion light-years in diameter at the present day, while the spatial size, if any, of the entire universe is unknown. (Full article...)
Did you know...
- ... that Flyover, a 2023 science fiction novel by an American author, portraying a dystopian future where part of the US becomes a theocracy, was published in French but not in English?
- ... that West Virginia nursing professor Christine Elizabeth Abrahamsen wrote science-fiction and Gothic novels under the pseudonyms Christabel and Kathleen Westcott?
- ... that Ladislav Burlas, a musicologist at the Slovak Academy of Sciences for almost 40 years, wrote more than 150 works during his career?
- ... that some of the optics for the James Webb Space Telescope were made at the NETPark science park in northern England?
- ... that the 14th-century house Maison de Jeanne was positively dated with the science of dendrochronology?
- ... that a job offer from the Empire Cinema saved science fiction writer John Russell Fearn from factory-based war work that "damned near killed [him]"?
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Science News
- 24 July 2024 –
- Researchers from the Scottish Association for Marine Science report evidence of dark oxygen being produced from metals on the seafloor. It was previously assumed that almost all the free oxygen (O
2) on Earth was created through photosynthesis, which requires sunlight. (NPR) - 23 July 2024 –
- A study by the Oswaldo Cruz Foundation finds thirteen Brazilian sharpnose sharks off the coast of Brazil with high levels of cocaine in their muscles and livers. Experts believe that the cocaine is making its way into the waters via illegal labs where the drug is manufactured or through the excrement of drug users. (BBC News)
- 15 July 2024 – Mare Tranquillitatis pit
- In the journal Nature Astronomy, American and Italian scientists announce the discovery of a lunar cave, approximately 250 miles (400 km) from the landing site of Apollo 11. (AP) (Nature Astronomy)
- 10 July 2024 –
- Researchers from Northwestern University Feinberg School of Medicine and Harvard Medical School publish a claim for the cause and curative path for the autoimmune disease systemic lupus erythematosus in the journal Nature. (Newsmax) (Nature)
- 3 July 2024 –
- Scientists announce the discovery of the world's oldest cave painting, depicting three people gathered around a large red pig, estimated to be at least 51,200 years old, in Leang Karampurang cave in the Maros-Pangkep region, South Sulawesi, Indonesia. (Al Jazeera)
- 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)