No one wants to discover a freezer full of spoiled ice cream. Here’s how to tell if the creamy treat is still good—and how to make sure it’s safe to eat for as long as possible.

BIG QUESTIONS
You can’t actually feel your blood pressure, but it’s one of the body’s most important indicators of cardiovascular health. Here’s the lowdown on how blood pressure works—and what it means for your overall wellness.
Cutting down on syllables is just one reason ‘cop’ became synonymous with ‘police officer.’
Where this bizarre expression came from, how its meaning has evolved, and where you might have seen it used.
Tens of thousands of fallout shelter signs, with three yellow triangles in a black circle, are visible on building façades today. They serve as grim reminders of the hottest flashes of the Cold War. So why are they still around?
If you have the time, opting for a quick checkout might save you a bit of money and make someone else’s day a whole lot smoother.
What sets green and black olives apart? It’s more than just color.
One key ingredient separates a malt from a milkshake.
Our favorite type of door lock has a somewhat morbid name.
They haven’t been mandated by the EPA since 2012, but California has kept them around.
Baby viewing windows were once a staple of hospital maternity wards across the country, but now they feel like a relic from a bygone era. Read on to learn about their history—and the real reasons why they vanished.
Feeling anxious can be normal and sometimes even healthy. Missing out on life because of that anxiety is not.
Confused about pupae, chrysalises, and cocoons? Discover the key differences between these metamorphic terms.
Residents of Washington, D.C., have no governor, no voting representation in Congress, and only limited local authority. The reason is simple: D.C. isn’t a state. Let’s break down the history and future of D.C. statehood.
Ever wondered if a theme park is just another name for an amusement park? Discover the real distinctions.
Snacking on a raw potato like it’s an apple is socially unacceptable. But is it a hazard to your health?
The favorite tool of HGTV hosts, explained.
The original reason electrical plugs had holes isn’t the reason they still have holes these days. Discover the history behind their evolution here.
Here’s a hint: It’s not by sweating through their paws.
All you need to know about the latest generational phenomenon sparking arguments on TikTok and other social media platforms, from what it is to why Gen Z is doing it.
Birds and bees get all the action—and Samuel Taylor Coleridge was jealous. Here are the possible origins of the euphemistic phrase.