Sand tiger sharks: far friendlier than you think

They are thought to be solitary, but new research shows one shark species to be intensely socialThey have a reputation for being sinister loners, creatures that swim the seas in solitary silence before pouncing on unsuspecting prey. Think of the deadly predator in Jaws and you have the perfect stereotype of a shark.But scientists in the United States, using a novel tagging procedure, have discovered that some shark species are really finny networkers who like to spend their time mixing and chill