Get iodine facts. Learn about the properties, uses, and sources of the element that is atomic number 53 with element symbol I. Iodine Facts (Atomic Number 53 or I) This entry was posted on September 30, 2023 by Anne Helmenstine (updated on October 3, 2023)
Learn about imaginary numbers in math. Get examples, see how to perform arithmetic operations, and learn the uses of complex numbers. Imaginary Numbers This entry was posted on September 27, 2023 by Anne Helmenstine (updated on October 3, 2023)
Learn about endocytosis and exocytosis and how they work for moving materials into and out of cells. See types, examples, and functions. Endocytosis and Exocytosis This entry was posted on September 26, 2023 by Anne Helmenstine (updated on October 1, 2023)
Learn about an annular solar eclipse or ring of fire eclipse. See how it works, how to view it safely, and when upcoming eclipses occur. Annular Solar Eclipse – The Ring of Fire This entry was posted on September 24, 2023 by Anne Helmenstine (updated on October 14, 2023)
Get bomb cyclone facts. Learn what a bomb cyclone is, how one forms, as well as where and what time of year the weather event occurs. Bomb Cyclone Facts This entry was posted on September 23, 2023 by Anne Helmenstine (updated on November 4, 2023)
Get roentgenium facts. Discover the history of element 111. Learn about this radioactive element's properties, uses, and sources. Roentgenium Facts This entry was posted on September 20, 2023 by Anne Helmenstine (updated on September 25, 2023)
Learn how to make an instant slushy without a freezer, how it works, and whether it works with alcoholic beverages. How to Make an Instant Slushy (and How It Works) This entry was posted on September 19, 2023 by Anne Helmenstine (updated on September 25, 2023)
Get the dark energy definition and explanation. See how dark energy accounts for the accelerating expansion of the universe. Dark Energy This entry was posted on September 17, 2023 by Anne Helmenstine (updated on September 22, 2023)
Learn about purines and pyrimidines in biochemistry, including their structures, properties, functions, and sources. Purines and Pyrimidines This entry was posted on September 16, 2023 by Anne Helmenstine (updated on September 22, 2023)