From springs and pendulums to quartz crystals and molecules, explore the real-world systems that exhibit simple harmonic motion and why some don't qualify.
Montana leads the US in extreme weather swings, and your body feels every shift. Here's why some states see wild temperature changes and what it does to your health.
Transmitters and receivers are behind almost every wireless device you use. Here's how they send and receive signals, from radio waves to fiber optics.
Peanuts, pistachios, and cashews offer the best protein-to-fat balance among common nuts — here's how they compare and which to choose for your goals.
Nickel is mined across dozens of countries, but a handful dominate global supply. Learn where most of the world's nickel comes from and how long reserves may last.
Drunk driving and speeding top the list, but distracted and drowsy driving cause more fatalities than most realize. Here's what the data actually shows.