A photographer hosted a "family photo day" that offered affordable sessions for 40 families

Engineers designed a new type of window that keeps homes cooler in summer and warmer in winterThe postal service introduced a next-day delivery service for packages

A celebrity chef cooked a meal for homeless people at a shelterResearchers calculated that using public transit reduces carbon emissions by 45% per personA city started a composting program for restaurants to reduce food waste

A snowstorm canceled over 500 flights and closed schools in the northeastA study showed that learning a musical instrument improves brain function in kids

The government passed a law to protect consumers from high credit card fees

A museum hosted a night event with live music and art displaysA popular film festival revealed its lineup including 20 world premieres from independent directors

The national rugby team defeated their rival in a final match to win the regional trophyA pharmaceutical firm announced positive results from trials of a new drug for treating migraines

Local vineyards reported their best harvest in a decade due to ideal summer weather conditionsAstronomers shared new images of a black hole captured by a global network of telescopes

(责任编辑：戚薇)