CHATHAM — The annual summer preview, with shark researchers debriefing the media of the prior year and a look ahead to research being conducted this year, didn’t have many surprises. It’s become a fact of life for residents and visitors that hundreds, if not more, great white sharks will be hunting seals along Cape beaches in close proximity to humans. What the briefing Tuesday morning at the Atlantic White Shark Conservancy’s Chatham Shark Center did reveal was a tantalizing look at the potential of various research projects to peer into the daily life of these apex predators — and how...