Add Yahoo as a preferred source to see more of our stories on Google. Scuba Diving Snorkeling at Great Barrier Reef Cairns Port Douglas (Sea Turtle, Giant Clam, Hard Cora, Shark, School of Fish, Soft ...

Scuba Diving Snorkeling at Great Barrier Reef Cairns Port Douglas (Sea Turtle, Giant Clam, Hard Cora, Shark, School of Fish, Soft Coral, Great Visibility, Pufferfish)© Kitjapat Film/Shutterstock.com ...

MIAMI — Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice cores—are now being repurposed to better understand the lives of modern ...