Researchers developed a new type of biodegradable plastic that breaks down in soil within four months

A new study indicated that regular exercise reduces the risk of developing certain cancersThe city hosted an art auction to raise money for local charities

Scientists discovered a new plant that can be used to make a natural insect repellentA local community center hosted a free health screening event for residents over 65Scientists found a new way to convert agricultural waste into renewable energy

A major grocery chain announced it will stop selling single-use plastic bags in all storesA high school robotics team won first place in a regional competition

A tech company released a new smartwatch that monitors blood sugar levels

Farmers in the southern region reported a 15% increase in tomato harvests this seasonA wildlife group protected endangered foxes

A software company fixed bugs in its programA city council approved a new park

A charity organized a beach cleanupA study found nuts reduce cholesterol

(责任编辑：张国强)