A national park taught visitors about wildlife conservation

A medical study found that getting seven to eight hours of sleep improves memory retentionThe government announced plans to build a new airport terminal to handle more passengers

An electronics company recalled a model of tablets due to a potential battery issueStudents organized a charity drive to collect school supplies for children in low-income areasA professional runner set a new national record in the marathon at a recent race

Scientists created a new type of battery that can power a phone for a full week on one chargeThe police department launched a new program to teach self-defense to senior citizens

A social media platform added a feature to help users filter out harmful content

An energy company announced it would invest $5 billion in wind energy projectsA severe snowstorm hit the northern region closing schools and highways and disrupting public transportation

A tech company announced it will launch a new smart home device that can control all household appliances with voice commandsA global organization launched a campaign to end child labor aiming to help 15 million children by 2030

A local school held a science fair with students presenting projects on topics like renewable energy and space explorationA study found that listening to music while working can increase productivity by up to 20% in some people

(责任编辑：延安市)