More dolphins die in Aegean Sea; group suspects navy drills

The Aegean Sea has seen a "very unusual" spike in dolphin deaths over the past few weeks, a Greek marine conservation group said Monday, adding that the rise could be linked to massive Turkish naval exercises in the area.

A venomous tale: Vipers shape lizards' tail-shedding abilities

(PhysOrg.com) -- University of Michigan ecologists and their colleagues have answered a question that has puzzled biologists for more than a century: What is the main factor that determines a lizard's ability to shed its ...