Whales have often gone unnoticed by mariners, but an artificial intelligence-powered detection network launched this week is designed to track them day and night. The effort comes amid an alarming rise in gray whale deaths in the greater San Francisco Bay Area.
Annika Hammerschlag / Associated Press
In a warming world, freshwater production is moving deep beneath the sea
A Southern California company is planning a facility that would use natural ocean pressure to power reverse osmosis — a process that forces seawater through membranes to filter out salt and impurities — and produce up to 60 million gallons of freshwater daily.

