Figuring out how the human body can withstand underwater pressure has been a problem for over a century, but a ragtag band of divers are experimenting with hydrogen to find out.
/PRNewswire/ On Monday the 2nd of November 2000, in silent orbit four hundred kilometers above the surface of the planet, one American astronaut and two.
Most of the rescue missions carried out by the United States Coast Guard and its predecessor agencies (i.e., the U.S. Life-Saving Service, U.S. Revenu.