Wildfire smoke affected air quality across the U.S. this summer. See which 25 cities were hit hardest.

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How fast can your mind and fingers work? See if you can answer all 42 questions in under three minutes with this quiz that asks, is this a place or a food?
The 2000s gave action fans plenty of great movies, and these are some of the best.
Get your brain going this Monday with a new edition of Mental Floss’s Trivia of the Day, including history questions and more.
Is your state one of the most fun places to visit in the U.S.?
Leaving your house generally used to mean that, like it or not, you were completely unreachable. From boredom to phone calls, here are some things that are far less common due to smartphones.
Here’s what happens when sports and science collide!
We can all thank the renowned playwright for livening up our vocabulary into the 21st century!
Blue Jays hold sacred meaning to many cultures, who see their bold spirits worth emulating.
What did people eat for breakfast in ancient Rome? From bread and olives to fruit, cheese, and wine, here’s how Romans started their day.
Stephen King has regularly created fictional towns we know to definitely stay away from. How well can you remember the movie title just based on the town name?
Consider yourself a trivia whiz? Start your day this Sunday with 25 questions.
What film was at the top of the box office when you were throwing your graduation cap into the air?
From Maryland to Alabama, see which states have the best—and worst—community college systems, according to a new ranking.
Can your kids crack these 100 mind-bending riddles? Explore clever brainteasers with answers that build critical thinking, focus, and abstract logic.
Pompeii was filled with shops, trades, and busy streets before Vesuvius covered it in ash.
These common words and phrases came directly from the era of flapper fashion and short-lived prohibition.
We’re looking back at the beloved Rob Reiner film Stand by Me for its 40th anniversary. Did you know its iconic railroad was used throughout cinematic history?
We love to see where our favorite characters go to work, and that leads to some fun and fancy fictional company names. How well can you name the shows from the name of the workplace?
From cartoon theme songs to the ping of a toaster, these eight sounds will transport ’80s kids straight back to Saturday morning.
Even your weekend brain needs some exercising. See if you can get all 25 of these trivia questions correct.
From a border that cuts through a library to a piece of America surrounded by Canada, these are places when the U.S.-Canada border gets blurry.