A bookstore chain expanded its online services to offer digital book rentals

A tech startup developed a new device that monitors the quality of drinking water at homeDoctors created a new surgical procedure that allows patients to recover from knee surgery faster

The local museum hosted a "night at the museum" event with special tours and activitiesA new study showed that spending time with grandchildren reduces depression in grandparentsThe national park service announced plans to build new campgrounds in a popular national park

A major snack company recalled a popular product due to possible contamination with allergensScientists identified a new enzyme that helps the body break down fat more efficiently

The city installed new traffic cameras to catch drivers running red lights

A famous chef opened a new restaurant specializing in fusion cuisine combining two culturesThe national space agency planned to send a new mission to explore the moon

A popular coffee chain launched a new series of drinks made with local ingredientsScientists developed a new battery that can last longer than traditional ones

The school district decided to replace old school buses with electric onesA new study showed that excessive use of social media affects teenagers' academic performance

(责任编辑：戴兵)