Learn about the solar system in astronomy. Get its definition, discover the planets in order, and get interesting facts. Solar System – Definition, Facts, Planets This entry was posted on March 29, 2025 by Anne Helmenstine (updated on July 29, 2026)
Get gadolinium facts. Discover the properties, uses, sources, and health risks of the element with atomic number 64 and symbol Gd. Gadolinium Facts – Symbol Gd or Atomic Number 64 This entry was posted on March 26, 2025 by Anne Helmenstine (updated on March 28, 2025)
Learn about enzymes in biochemistry. Get the definition, examples, models of enzyme function, and see how enzymes work. Enzymes – Definition, Examples, Function This entry was posted on March 25, 2025 by Anne Helmenstine (updated on March 24, 2026)
Learn about how mountains are formed and the different types of mountains. Download and print mountain study guides. How Are Mountains Formed? Mountain Types This entry was posted on March 22, 2025 by Anne Helmenstine (updated on August 1, 2026)
Learn about infrared light or infrared radiation. Get the definition, wavelength and frequency range, and interesting facts. Infrared Light – Infrared Radiation This entry was posted on March 19, 2025 by Anne Helmenstine (updated on August 30, 2025)
Get copernicium facts. Learn about the discovery, properties, and potential uses of the element with symbol Cn and atomic number 112. Copernicium Facts – Element Symbol Cn or Atomic Number 112 This entry was posted on March 18, 2025 by Anne Helmenstine (updated on February 21, 2026)
Learn about the Krebs cycle or citric acid cycle in biochemistry. See the steps, products, functions, and history of the process. Krebs Cycle or Citric Acid Cycle This entry was posted on March 15, 2025 by Anne Helmenstine (updated on June 23, 2026)
Get sinkhole facts in geology. Learn about the different types of sinkholes, how they form, and how to repair or escape from one. Sinkhole Facts This entry was posted on March 12, 2025 by Anne Helmenstine (updated on January 28, 2026)
Learn about Compton scattering or the Compton effect. Discover how it works and its formula, example problem, importance, and uses. Compton Scattering or Compton Effect This entry was posted on March 11, 2025 by Anne Helmenstine (updated on April 18, 2026)