More people are spending their free time in the seas and oceans during the summer, which increases the opportunities to come into contact with sharks.Although many people are afraid of sharks, it is crucial to keep in mind that these occurrences are...

Some send divers in speed boats, others dispatch submersible robots to search the seafloor, and one team deploys a "mud missile" -- all tools used by scientists to scour the world's oceans for the next potent cancer treatment or antibiotic.A medicina...