What Is the Capacity to Do Work? Energy Explained
Energy is defined as the capacity to do work, but what does that actually mean? Explore how physics, your body, and thermodynamics answer that question.
How Often Should I Use Coconut Oil on My Hair?
How often you should use coconut oil on your hair depends on your hair type — here's what works best for each.
Which Food Best Supports the Growth of Bacteria?
Some foods are prime breeding grounds for harmful bacteria. Learn which foods carry the highest risk and what makes others naturally resistant.
What to Do If You Have a Headache in School
Practical ways to ease a headache at school, from desk stretches to knowing when to see the nurse, plus tips to prevent them from coming back.
What Separates Metals From Nonmetals on the Periodic Table
Metals and nonmetals differ in conductivity, bonding, and atomic structure. Here's what actually draws the line between them on the periodic table.
What Protects the Liver: Diet, Exercise & Supplements
Learn how food choices, physical activity, and certain supplements can support liver health and reduce your risk of fatty liver disease.
Is There an Illness Going Around Right Now?
Flu is leading this season's illness wave, but RSV, stomach bugs, and strep are also circulating. Here's what's going around and how to stay well.
Where Does Petroleum Jelly Really Come From?
Petroleum jelly starts as a waxy residue found on oil rigs. Here's how it gets refined into the skin care staple in your medicine cabinet.
What Protects the Earth From Radiation and Debris
Earth stays habitable thanks to several overlapping natural shields, from the magnetosphere to the ozone layer, that protect us from radiation and space debris.
Where Armadillos Go During the Day: Inside Their Burrows
Armadillos spend most of their days underground in burrows. Learn what those burrows look like, who else uses them, and when armadillos actually come out.