France's last execution via guillotine was in 1977.
The tallest tree in Muir Woods is half as old as researchers expected it to be.
The stories behind how 15 domestic breweries got their names.
These science-y Instagrams are the perfect thing to add new life to your feed.
Your apartment would look a lot different with this decor.
One key to being a good writer is to always keep reading—and that doesn't change after you've been published.
The highly invasive climbing perch can live on land without water for days.
Religion, weather, and Pinterest.
Your gut has millions of neurons. And that's just one of its intelligent features.
We can assure you that this list is very real.
©2016 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.