Learn the difference between plant and animals cells. See the differences in structure and organelles for plant vs animal cells. Difference Between Plant and Animal Cells This entry was posted on August 16, 2023 by Anne Helmenstine (updated on May 19, 2026)
Learn about nitrogen fixation. Get the simple definition, learn about nitrogen fixing bacteria and other processes, and see the importance. Nitrogen Fixation Definition and Processes This entry was posted on August 15, 2023 by Anne Helmenstine (updated on June 23, 2026)
Discover the difference between a typhoon, hurricane, and cyclone. Learn where and how tropical cyclones form. Typhoon vs Hurricane vs Cyclone This entry was posted on August 13, 2023 by Anne Helmenstine (updated on June 3, 2026)
Learn why meat turns brown in the fridge and whether it's safe to eat. Understand treatments that artificially affect meat color. If Meat Turns Brown in the Fridge Is It Bad? This entry was posted on August 12, 2023 by Anne Helmenstine (updated on September 23, 2025)
Learn what causes wind to blow. Understand how temperature and pressure move air. Also, learn names of special types of wind. What Causes Wind to Blow? This entry was posted on August 9, 2023 by Anne Helmenstine (updated on April 15, 2026)
Get the cell cycle definition and learn about its phases, checkpoints, and regulation. See which step is the longest. Cell Cycle Phases and Checkpoints This entry was posted on August 8, 2023 by Anne Helmenstine (updated on June 14, 2025)
Learn the difference between magma and lava and explore their temperature, composition, and ability to form rocks. What Is the Difference Between Magma and Lava? Magma vs ... This entry was posted on August 6, 2023 by Anne Helmenstine (updated on February 10, 2024)
Learn about the nitrogen cycle, including the steps of the cycle and the impact of human activities on these processes. Nitrogen Cycle Recently updated ! This entry was posted on August 5, 2023 by Anne Helmenstine (updated on August 22, 2026)
Learn about the Saffir-Simpson hurricane wind scale or SSHWS and how it uses wind speed for determining the intensity of hurricanes. Saffir-Simpson Hurricane Wind Scale This entry was posted on August 2, 2023 by Anne Helmenstine (updated on August 3, 2025)