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High-energy physics/particle physics. Existence of pentaquarks (1964–2015): In July 2015, the LHCb collaboration at CERN identified pentaquarks in the Λ0. b→J/ψK−p channel, which represents the decay of the bottom lambda baryon (Λ0. b) into a J/ψ meson (J/ψ), a kaon (K−.
Phrenology or craniology (from Ancient Greek φρήν (phrēn) 'mind', and λόγος ( logos) 'knowledge') is a pseudoscience that involves the measurement of bumps on the skull to predict mental traits. [1] [2] It is based on the concept that the brain is the organ of the mind, and that certain brain areas have localized, specific functions or modules. [3] It was said that the brain was ...
Science and inventions of Leonardo da Vinci. Leonardo da Vinci (1452–1519) was an Italian polymath, regarded as the epitome of the "Renaissance Man", displaying skills in numerous diverse areas of study. While most famous for his paintings such as the Mona Lisa and the Last Supper, Leonardo is also renowned in the fields of civil engineering ...
Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. [1] [2] Modern science is typically divided into three major branches: [3] 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 ...
Unsolved problems relating to the interactions between organisms and their distribution in the environment include: Paradox of the plankton. The high diversity of phytoplankton seems to violate the competitive exclusion principle. Ediacaran biota.
I Before E (Except After C): Old-School Ways To Remember Stuff was a miscellany released in the UK for the Christmas 2007 "stocking filler" market, [43] which sold well. [44] "I Before E Except After C" is a song on Yazoo 's 1982 album Upstairs at Eric's.
Last universal common ancestor. Phylogenetic tree linking all major groups of living organisms, namely the Bacteria, Archaea, and Eukarya, as proposed by Woese et al 1990, [1] with the last universal common ancestor (LUCA) shown at the root. The last universal common ancestor ( LUCA) is the hypothesized common ancestral cell from which the ...
The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century. The scientific method involves careful observation coupled with rigorous scepticism, because cognitive assumptions can distort the interpretation of the observation.
What If?: Serious Scientific Answers to Absurd Hypothetical Questions is a 2014 non-fiction book by Randall Munroe in which the author answers hypothetical science questions sent to him by readers of his webcomic, xkcd. The book contains a selection [Note 1] of questions and answers originally published on his blog What If?, along with several new ones. [1] The book is divided into several ...
Tree of life (biology) The tree of life or universal tree of life is a metaphor, conceptual model, and research tool used to explore the evolution of life and describe the relationships between organisms, both living and extinct, as described in a famous passage in Charles Darwin 's On the Origin of Species (1859). [1]