Radiation is energy in motion. Learn the definition, types, benefits, risks, and measurement of radiation in science and everyday life. What Is Radiation? Definition, Types, and Examples This entry was posted on August 30, 2025 by Anne Helmenstine (updated on November 18, 2025)
Gyri and sulci are the brain ridges and grooves that increase surface area and organize function. Learn about structure and function. Gyri and Sulci of the Brain – Fold Anatomy and ... Recently updated ! This entry was posted on August 27, 2025 by Anne Helmenstine (updated on August 25, 2026)
Glycolysis breaks down glucose into pyruvate, producing ATP and NADH. Learn its steps, regulation, significance, and clinical relevance. Glycolysis – Definition, Steps, Regulation, and Significance This entry was posted on August 26, 2025 by Anne Helmenstine (updated on June 23, 2026)
Discover the 18 periodic table groups of elements, their names, examples, key properties, and how groups differ from families and periods. Periodic Table Groups – Definition, Examples, Properties This entry was posted on August 23, 2025 by Anne Helmenstine (updated on July 1, 2026)
Learn what a food web is, see examples, and explore its parts, types, importance, and threats in this comprehensive ecology guide. Food Web – Definition, Examples, and Ecological Importance This entry was posted on August 20, 2025 by Anne Helmenstine (updated on January 28, 2026)
Bose Einstein condensate explained: what it is, how it forms, properties, history, models, and uses in sensing and quantum simulation. Bose-Einstein Condensate (BEC): Definition, Properties, Uses This entry was posted on August 19, 2025 by Anne Helmenstine (updated on February 14, 2026)
Ocean acidification: how CO₂ lowers seawater pH, alters carbonate chemistry, and harms reefs, shellfish, and food webs. Ocean Acidification – Definition, Causes, Effects This entry was posted on August 16, 2025 by Anne Helmenstine (updated on February 24, 2026)
Cell wall structure, types, and functions in plants, fungi, algae, bacteria, and archaea, with comparisons and key facts. Cell Wall – Structure, Functions, Properties This entry was posted on August 13, 2025 by Anne Helmenstine (updated on March 18, 2026)
Jupiter is the largest planet in the Solar System. Discover facts, structure, moons, rings, missions, and role in protecting Earth. Jupiter Planet Facts – Largest Planet in the Solar System This entry was posted on August 12, 2025 by Anne Helmenstine (updated on August 11, 2026)