Mental Floss

ALL STORIES









Get to squashing!

Over the past decade or so, the spotted lanternfly has become one of the most notorious invasive species in the United States. Here’s how it got here, how to spot it—and most importantly, how to kill it.

Mark Mancini




The Ferris wheel is as beloved today as it was when it first debuted in 1893.

From the Ferris wheel to the Tilt-a-Whirl, carnival rides have some fascinating origin stories. Discover more about the history of these popular attractions here.

Editorial Staff










While your Deaf friends might get a good laugh when you accidentally sign “f**k you” instead of “thank you,” it’s still best to know the correct signs when interacting within the Deaf community.

Dominique Swanson