Learn what ATP is in biology and chemistry. Learn the functions of ATP and get interesting adenosine triphosphate facts. What Is ATP in Biology? Adenosine Triphosphate Facts This entry was posted on December 21, 2022 by Anne Helmenstine (updated on December 25, 2022)
Learn what the shortest day of the year is in the Northern Hemisphere and Southern Hemisphere and how it relates to the solstice. What Is the Shortest Day of the Year? Winter Solstice This entry was posted on December 20, 2022 by Anne Helmenstine (updated on December 25, 2022)
Learn about photons in physics. Get the photon definition and fun facts about this interesting unit of light. What Is a Photon? Definition and Facts This entry was posted on December 14, 2022 by Anne Helmenstine (updated on December 16, 2022)
Learn about the Pauli exclusion principle in chemistry and physics and how it applies to the electron configuration of atoms. Pauli Exclusion Principle This entry was posted on December 11, 2022 by Anne Helmenstine (updated on December 16, 2022)
Get examples of bacteria in everyday life. Learn where they occur, their properties, and whether they cause infections. Examples of Bacteria in Everyday Life This entry was posted on December 8, 2022 by Anne Helmenstine (updated on December 14, 2022)
Get the amide definition and examples in chemistry. Learn about both the functional group and compounds that are amides. Amide Definition and Examples in Chemistry This entry was posted on December 6, 2022 by Anne Helmenstine (updated on December 14, 2022)
Learn about the types of variables in science experiments. Get examples and learn how to identify each variable. Types of Variables in Science Experiments This entry was posted on December 4, 2022 by Anne Helmenstine (updated on January 1, 2023)
Learn what a scientific law is. Get the definition and examples and learn how a scientific law differs from a scientific theory. Scientific Law Definition and Examples This entry was posted on November 29, 2022 by Anne Helmenstine (updated on December 14, 2022)
Learn whether it can be too cold to start a fire and whether you can extinguish a fire using a cold temperature. Can It Be too Cold to Start a Fire? This entry was posted on November 27, 2022 by Anne Helmenstine (updated on January 18, 2023)