Latest articles by Rachel Ross
What Is E. Coli?
E. coli is to blame for why you sometimes can't eat certain foods, like romaine lettuce.
What Is X-Ray Spectroscopy?
X-ray spectroscopy is used in many areas of science, medicine and technology, to better understand the characteristics of a material at the atomic level.
What Are CT Scans and How Do They Work?
A computed tomography (CT) scan is a quick and painless way to diagnose an injury, abnormality or disease.
Why Do People Like Pumpkin Spice So Much?
What is it about the seasonal trend — that is, infusing pumpkin spice flavor into all kinds of treats — that makes it a fall favorite?
The Science Behind Composting
Banana peels, eggshells, coffee grounds, dead leaves and more naturally decompose into nutrient-rich soil, thanks to the action of microorganisms.
Facts About Niobium
Properties, sources and uses of the element niobium, and facts about its unusual history.
What Is Dry Cleaning?
Dry cleaning isn't "dry"; the process uses liquids other than water to clean fabrics.
The Galápagos Islands: Laboratory of Evolution
The Galápagos Islands archipelago is home to a complex ecosystem that inspired renowned naturalist Charles Darwin to formulate his theory of evolution.
What Is Ramadan?
Ramadan is the most sacred month of the year in Islamic culture. During Ramadan, Muslims fast, abstain from pleasures and pray to become closer to God.
Diwali: Hindu Festival of Lights
Diwali is the biggest Hindu festival and most important Hindu holiday of the year.
What is Kwanzaa?
Kwanzaa is a cultural holiday that celebrates African heritage and identity. It is observed from Dec. 26 to Jan. 1.
Hanukkah: History & Traditions
Hanukkah is a Jewish holiday lasting eight days. It is typically celebrated in late fall or early winter. Although it is a minor holiday, its popularity has grown.
