BEIJING—Horizontal loops in catheter tubing can reduce flow rate by nearly two-thirds, a study has shown. Investigators analyzed water flow through Foley catheters of different diameters with or ...

Well Tony Hawk himself recently tried to pull a similarly spectacular stunt of his own in a recent ad for the Sony Action Cam when he tried to successfully navigate the world’s first horizontal loop.

Former professional skater Tony Hawk is the first person ever to take on a horizontal loop. Although the loop was his own creation, the 47-year-old American says in a YouTube video by Sony that he had ...