Learn about the types of volcanoes. Discover examples of each type, their characteristics, and how they erupt.
Anne Helmenstine
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) Recently updated !
Learn about imaginary numbers in math. Get examples, see how to perform arithmetic operations, and learn the uses of complex numbers.
Imaginary Numbers Recently updated !
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 Recently updated !
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 Recently updated !
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 Recently updated !
Get roentgenium facts. Discover the history of element 111. Learn about this radioactive element's properties, uses, and sources.
Roentgenium Facts Recently updated !
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) Recently updated !
Get the dark energy definition and explanation. See how dark energy accounts for the accelerating expansion of the universe.