German daredevil becomes first person to achieve extreme skydiving stunt over Grand Canyon — see the heart-pounding video
The daredevil skydiver believes his stunt will revolutionize and offer a safer alternative to wingsuit flying.
Man + River on MSN4d
How Much Jewelry Is Lost Underwater at this Busy Texas Lake Cliff?
How Much Jewelry is Lost Underwater at this Busy Texas Lake Cliff? While scuba diving for treasure, using our underwater metal detectors, we search for any valuables that people dropped at this busy ...
Scripps News4d
Hard Rock Geology above the Challenger Deep
I recently participated in a three-week-long, National Science Foundation-funded research cruise to the Mariana Trench. Our ...