Researchers studied the effects of sleep deprivation on work performance

A drought led to water conservation measures in cities across the western statesThe Nobel Prize in Physiology or Medicine was awarded to researchers studying cell biology

A community organization offered free job training programs for unemployed residentsA retail store announced it will open 20 new locations in small towns next yearResearchers found that vitamin D deficiency is linked to increased fatigue in adults

The prime minister attended an international summit on global trade agreementsA fire at a warehouse destroyed thousands of dollars worth of goods

A streaming service added a new collection of classic films to its library

Police solved a cold case using advanced forensic technologyA research team discovered a way to make solar panels 20% more efficient

A clothing brand announced it will use only organic cotton in its products by next yearA city council approved funding to repair potholes on 15 major roads

A pet shelter organized a adoption event that found homes for 75 animals in one dayA airline added a new direct flight route between two mid sized cities

(责任编辑：张靓颖)