A Freak Accident Trapped Them Inside an Underwater Cave. Scientists Finally Uncovered Their Fatal Mistake.

It was supposed to be a thrilling adventure. But in an instant, things became disastrous.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE A Freak Accident Trapped Them Inside an Underwater Cave. Scientists Finally Uncovered Their Fatal Mistake. It was supposed to be a thrilling adventure. But in an instant, things became disastrous. Read More Your Consciousness Can Jump Through Time—Meaning 'Gut Feelings' Are Memories From the Future, Scientists Say Even the CIA has publicly released data on the psychic phenomenon. Click to listen! Click to Listen The Army's New Trucks Have No Armor or Doors. That's Like Sending Soldiers to Their Deaths, Officer Warns. The new Infantry Squad Vehicles cannot survive enemy fire—or even carry three days' worth of supplies, an insider tells us in an exclusive interview. Read More China's Huge New 'Drone Mothership' Could Release 100 Small Killer Robots. Why Isn't America Building One? This airliner-sized drone is fearsome, but it has drawbacks, too. Read More After 96 Years, Archaeologists Finally Found the Missing Part of a Legendary Statue Ramesses II is whole again. Read More 99 Cars Battled the Same Roads in a Brutal Test. Only the Strongest Survived. The annual gathering of the automotive industry's best work is here. Here's what we learned attending a day of Car and Driver's two-week test. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2025 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779