Researchers developed a new type of biodegradable plastic made from corn starch

City officials approved a $400 million project to upgrade public transport including new subway stations and bus routesA study published in a top medical journal found daily exercise can boost mental health by reducing anxiety and depression symptoms

A famous actor said they will star in a new movie based on a best-selling novel scheduled to start filming next monthThe national soccer team qualified for the World Cup after winning their final qualifying game against a rival teamFirefighters contained a large wildfire in the western region after six days of hard work

A new study showed that social media use among teenagers has fallen by 10% in the past year with more time spent on outdoor activitiesA multinational corporation announced it will move its headquarters to a smaller city to cut costs and support local economies

Health experts released new guidelines suggesting adults get at least seven hours of sleep each night for good health

A local community center opened its doors to homeless people offering shelter food and job training programsA tech company announced plans to expand its business to other countries

A national park started a program to protect endangered birdsA bakery used sustainable packaging for its products

A construction project to renovate an old theater beganA research study found that eating nuts can reduce the risk of certain diseases

(责任编辑：Knowledge Bites)