A study found that volunteering 2 hours a week can improve overall happiness

A bookstore started a book club for parents and kids that focuses on children’s literatureResearchers developed a new vaccine that provides protection against three different viruses

The railway service announced it would offer free travel to students during school breaksA new TV show based on a popular video game became one of the most-watched series of the yearA study revealed that eating nuts as a snack helps maintain healthy cholesterol levels

A city installed more security cameras in parks to prevent vandalism and crimeAn airline announced it would add more legroom to its economy class seats starting next year

Scientists found that a certain type of algae can be used to produce clean biofuel

The government launched a campaign to encourage people to reduce their energy use at homeCamping store expands selection of eco friendly camping gear and supplies

Marine biologists launch project to restore damaged coral reefs in tropical oceansSchool newsletter highlights student achievements in academics and sports

Chemists create non toxic cleaning products safe for use around children and petsVolleyball tournament features teams from 25 colleges competing for championship

(责任编辑：黄凯芹)

• ·Health experts released new guidelines recommending adults get at least seven hours of sleep per night for optimal health
• ·A new study revealed that practicing mindfulness meditation reduces symptoms of post-traumatic stress disorder
• ·A new study showed that social media use among teenagers has decreased by 12% in the past year with more time spent outdoors
• ·A museum hosted a lecture series featuring experts on ancient history and archaeology
• ·Scientists observed that a species of bird is migrating earlier due to warmer springs
• ·A fashion boutique started selling handmade jewelry from local artisans, supporting 10+ creators
• ·A social media app added new features to enhance user interaction
• ·Local police increased patrols to reduce crime in residential areas
• ·Community center provides free summer camps for kids from low-income families
• ·The central bank announced it would inject $8 billion into the economy to support job growth
• ·A tech company launched a new smartphone with a better camera and longer battery life
• ·A tech company announced it will hire 1500 new employees for its AI research division
• ·A construction company used 3D printing technology to build parts of a new building
• ·The country’s inflation rate decreased slightly due to lower fuel prices
• ·A bookstore offered a monthly subscription service, delivering a curated book to subscribers each month
• ·A new study revealed that children who read for 30 minutes a day have better language skills than those who don’t