Physicists study black holes to understand the universe

A farm began selling "pick-your-own strawberries" during the summer monthsA fire department taught local businesses how to create fire evacuation plans

A software company released an update to its app that fixed bugs and improved loading speedA community organized a "charity auction" that raised $8,000 for a local animal shelterA grocery store started offering "organic produce boxes" delivered weekly to customers’ homes

A school added a "robotics lab" where students can build and program their own robotsA photographer hosted a "family photo day" that offered affordable sessions for 40 families

A hotel renovated its lobby to include a modern seating area and coffee bar

A musician performed at a local music festival alongside national actsA local farm started a community-supported agriculture program where people can buy shares of the harvest

Engineers designed a new type of solar panel that works in low-light conditionsThe postal service introduced a new tracking system for packages that provides real-time updates

A celebrity chef published a cookbook with recipes for quick and healthy mealsResearchers calculated that recycling one ton of aluminum saves 14000 kilowatt-hours of energy

(责任编辑：陈雪君)