These Canadian scientists hope to get face-to-face with great white sharks

HALIFAX -- The great white sharks move torpedo-like through East Coast waters, cruelly efficient hunters with multiple rows of serrated teeth devouring seals and other prey. But the "fascinating" creatures are themselves being closely watched by international teams of scientists who are attempting to document their apparent renaissance in the northwest Atlantic. "We are seeing signs the conservation measures we're taking are giving the animals a chance and enabling a comeback," says Frederick Wh