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：梁祖尧)

• ·Scientists found that spending time in forests can improve respiratory health by reducing air pollution exposure
• ·A musician released a live album recorded during a sold-out concert tour across the country
• ·A charity organized a 5K walkathon that raised $75,000 for childhood cancer research
• ·The government passed a law to protect endangered birds from illegal hunting and habitat destruction
• ·The government launched a campaign to encourage recycling
• ·A study published in a top medical journal found daily exercise can boost mental health by reducing anxiety and depression symptoms
• ·A bookstore hosted a book signing with a best-selling author, drawing over 300 attendees
• ·City hosts Fourth of July parade with floats and marching bands
• ·Weather experts predicted that this year’s hurricane season will have fewer storms than average
• ·Basketball team wins state championship after double-overtime game
• ·The city hosted an art fair featuring works by local and regional artists
• ·Car companies announced a partnership to develop self-driving technology
• ·The government announced plans to upgrade rural internet infrastructure to match urban speeds
• ·A pet rescue organization started a foster parent training program to prepare people for caring for animals
• ·A bookstore hosted a book signing event with a best-selling author drawing hundreds of fans
• ·Researchers found that regular exercise can improve memory in older adults