Dive industry pro Bret Gilliam offers the historical perspective The first research work in decompression physiology was not directed at scuba divers. Records from 1841 show that construction workers working at elevated pressures in either caissons (water-tight boxes inside which workers did construction underwater) or construction tunnels beneath rivers …

If you’re eager to book a summer vacation, or maybe expand your dive knowledge with a new certification, then two upcoming dive training trips could be what you’re looking for. Shipwreck School is run by Canadian wreck expert and author Terry Dwyer. Based on the east coast of Canada, …