Dr. Ruth was trained as a sniper by the Israeli military.
In the stomach, serotonin regulates digestion, but injected into the skin, it can turn deadly
Practicing the traditional Japanese art of gyotaku.
The gorgeous blue flows are a result of sulfuric emissions, which can send flames as high as 16 feet into the air.
Sarcastic fringehead fish battle it out several times a day by interlocking their enormous mouths.
The cause of all your public restroom frustrations, explained.
This charming dog from the Swiss Alps is too fluffy to resist. Learn more about the draft dog and its heritage.
Your brain at rest is (probably) more active than you think.
Ferdinand Cheval spent 33 years single-handedly building his dream palace—and he did it by collecting rocks as he delivered the mail.
Wild Thing, a cabin designed by Latvian architecture students, is an outlook over a meadow in the process of becoming wild again.
A few surprising facts about the iconic actor on what would have been his 90th birthday.
British people do not read 'er' and 'erm' in the way that Americans would read those words.
Explore the galaxy from the safety of your sofa
Behold: The tragic consequences of a pie falling into the wrong hands.
©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.