Marine Animals

SAN FRANCISCO - Two mysteries surround a huge herd of sea lions that were hanging out on a pier in San Francisco Bay: Why did so many show up, and why did so many leave at once? Just last month, Pier 39, famous in San Francisco for its sea lions and the throngs of tourists they attract, was groaning under the weight of more than 1,500 of the animals.

ADELAIDE, Australia - Trouble struck paradise this week when a British man who has the "Best Job in the World" as the caretaker of a tropical Australian island was stung by a potentially lethal jellyfish.