US scientists are tagging sharks with ocean sensors; every time they surface, data is sent by satellite to help forecast how strongly hurricanes may intensify

• Aaron Carlisle grasps a white shark alongside a boat off the coast of Delaware (Reuters photo)Scientists in the US are testing an unusual way to collect ocean data that could eventually help improve hurricane forecasts, by using sharks as mobile ocean sensors.
• Researchers from the University of Delaware are attaching small electronic tags to sharks swimming off the US East Coast.
• The tags record information such as water temperature, salinity and depth as the animals move through the ocean.