Tag: Divernet

Powell

Powell & Farrell dive into new roles

Long-established technical wreck-diver, instructor-trainer and author Mark Powell has moved within TDI / SDI / ERDI to a full-time role as Director of Global Development

Sting

Sting rays can do sums

When fish see scuba divers, can they work out exactly how many of you there are – and adjust their calculation if more divers join