The British Thoracic Society (BTS) Home Oxygen Guideline provides detailed evidence-based guidance for the use of home oxygen for patients out of hospital. Although the majority of evidence comes from ...

And in French Polynesia he’s used a customized rebreather system to stay underwater for 24 hours at a time to observe the hunting habits of gray reef sharks, as chronicled in a 2018 story for ...

We worked like saturation divers in the offshore oil industry—but unlike such divers, who typically are tethered to a bell by an umbilical, we put on scuba gear, with rebreathers that filtered ...