Portal:Science
Science portal
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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Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets. Relevant phenomena include supernova explosions, gamma ray bursts, quasars, blazars, pulsars, and cosmic microwave background radiation. More generally, astronomy studies everything that originates beyond Earth's atmosphere. Cosmology is a branch of astronomy that studies the universe as a whole. (Full article...)
Did you know...
- ... 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?
- ... that after men took all the 2021 Nobel Prizes for science, one of the selectors, Eva Olsson, said "we want to have more women nominated"?
- ... that Henry E. Sigerist felt "depressed" after reading A History of Science, Technology, and Philosophy in the 16th and 17th Centuries?
- ... that Guy Parmelin, now President of Switzerland, opened the study program of cyber security of the Lucerne School of Information Technology in 2018?
- ... that several science fiction critics praised "Rock Diver", the first short story by American writer Harry Harrison, for its compelling take on technology for passing through matter?
- ... that Science Park station was built despite the objections of the operating agency?
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Science 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)
- 17 April 2024 –
- Scientists announce that they have identified fossil remains of the Ichthyotitan, the largest marine reptile currently known, in the Westbury Formation in England. (NOS)
- 16 April 2024 –
- European Space Agency scientists announce the discovery of Gaia BH3, the second-largest known black hole in the Milky Way. (NOS) (ESA)