A soccer team signed a star player from a European league for a record $150 million

A space agency successfully launched a satellite to monitor climate change and weather patternsThe railway service announced it would upgrade its ticketing system to allow mobile check-in

A new movie starring a Hollywood actor broke box office records on its opening weekendResearchers found that eating leafy green vegetables can improve brain function in older adultsA city expanded its bike-sharing program to include 500 new electric bikes

An airline announced it would offer free checked bags for military personnel and their familiesA study showed that teachers who receive regular feedback improve their teaching effectiveness

The government invested $400 million in building new solar farms in the southwest

A toy company released a line of science kits that let kids conduct chemistry experiments at homeA tropical storm formed in the Atlantic prompting coastal evacuation warnings

The World Health Organization updated its guidelines for preventing the spread of respiratory illnessesA professional basketball player signed a four-year contract worth $180 million with a new team

A new bike-sharing program launched in the city providing 1000 bikes at 50 stationsMarine researchers discovered a group of rare sea turtles nesting in a protected coastal area

(责任编辑：黄丽玲)