Mental Floss

BIG QUESTIONS

You deserve a bowl full of non-spoiled ice cream.

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.

Marla Mackoul
Digital blood pressure monitors allow people to check their systolic and diastolic numbers at home.

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.

Jordan Rosenfeld




A fallout shelter sign left over from the Cold War still visible in Brooklyn, New York.

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?

Tim Brinkhof












The cutest part of any hospital.

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.

Lauren Dana
No taxation without representation!

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.

Zoë Randolph








Have you ever gotten the Gen Z stare?

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.

Paul Anthony Jones