What Is the ‘Mysterious Black Goo’ in Venezuela?

Since 1986, a strange, black sludge—known to locals as "La Mancha Negra"—has terrorized city streets, inspiring many myths. Is it oil seepage? An offering from aliens? Political sabotage?

View in Browser  SHOP EXCLUSIVE SUBSCRIBE What Is the 'Mysterious Black Goo' in Venezuela? Since 1986, a strange, black sludge—known to locals as "La Mancha Negra"—has terrorized city streets, inspiring many myths. Is it oil seepage? An offering from aliens? Political sabotage? Read More Why Some People Believe the 'Betz Mystery Sphere' Is a Piece of Alien Technology The Betz sphere conspiracy theory continues to persist. Is there any validity to it? Read More A DIY Fix for Foundation Cracks Concrete cracks have met their match. Read More A Pig's Brain Transcended Its Body, Surging to Life on Its Own. Humans May Be Next. With one groundbreaking experiment, scientists ventured into unexplored realms of neurological function. Read More Hidden in Plain Sight: 2 Next-Gen Camo Systems Concealing U.S. Soldiers When it comes to advancements in night vision and thermal imaging systems, the beauty is in the simplicity. Read More Why High-Powered Laser Guns Are Finally Coming to U.S. Navy Warships Lasers fire at the speed of light—and that means unlimited firing opportunities. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2024 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779