Learn about petrichor and geosmin and how they produce the smell of rain. See how these chemicals are produced in nature.
Science Notes Posts
Get livermorium element facts, including the history, properties, atomic data, and potential uses of element 116.
Livermorium Element Facts Recently updated !
Learn about the green flash of the Sun, including how it works, how to see it, and its different appearances.
The Green Flash and How to See It Recently updated !
Learn why the ocean is salty but rivers and most lakes are not. Also, see whether the sea is getting saltier over time.
Why Is the Ocean Salty but Lakes and Rivers Are ... Recently updated !
Learn about El Niño and La Niña, including how they work, how often they occur, and their effects on global weather patterns.
El Niño and La Niña Recently updated !
Try this easy DIY carbon dioxide fire extinguisher experiment and see how CO2 replaces oxygen and suffocates a flame.
Fire Extinguisher Experiment Recently updated !
Learn about the fern life cycle. Get a labeled life cycle, see the steps of fern reproduction, and learn about sporophytes and gametophytes.
Fern Life Cycle Recently updated !
Learn what dew point is in meteorology. See its use in weather and predicting human comfort. Learn how it relates to humidity and pressure.
What Is Dew Point? Recently updated !
Learn about the parts of a flower. Included is a labeled diagram, the functions of the parts, and a description of how pollination works.
Parts of a Flower – Diagram and Functions Recently updated !
Learn about the natural numbers in mathematics. Get the definition, examples, and properties of the set of natural numbers.