The space agency announced plans to study the surface of Mars for signs of past life

A study showed that teachers who receive regular feedback improve their teaching effectivenessThe government invested $400 million in building new solar farms in the southwest

A toy company released a line of science kits that let kids conduct chemistry experiments at homeA community held a cultural festival featuring traditional music and dance from Latin AmericaResearchers found that air pollution from traffic increases the risk of asthma in children

The transportation ministry added more pedestrian crosswalks in busy downtown areasA famous poet was awarded a lifetime achievement award for their contributions to literature

A hospital started a program to help patients with chronic pain manage symptoms without opioids

A retail store announced it would donate 10% of holiday sales to a children’s charityThe government announced tax credits for homeowners who install solar panels on their roofs

A wildfire in a national forest burned 12000 acres with firefighters working to protect nearby communitiesA new messaging app launched with end-to-end encryption for all user conversations

Local farmers markets started offering online ordering and curbside pickup for customersThe WHO launched a campaign to provide clean drinking water to 5 million people in rural areas

(责任编辑：三吉里绘子)

• ·A major airline offered discounts on flights for travelers booking in advance
• ·A school district updated its technology infrastructure to provide faster internet access in schools
• ·A team of researchers found a new way to purify water using sunlight that is 50% more efficient than existing methods
• ·A new study showed that students who get enough sleep have better academic performance
• ·A hotel chain offered free stays to healthcare workers during the holiday season
• ·The national rugby team hired a new coach with experience winning international titles
• ·A city installed new streetlights that use LED bulbs to reduce energy consumption by 50%
• ·The WHO launched a program to train healthcare workers in developing countries
• ·A scientist discovered a new species of plant in a remote rainforest that has potential medicinal properties
• ·The government planned to invest in improving public school facilities
• ·The national basketball team won the national championship for the fifth consecutive year
• ·A local community center opened its doors to homeless people offering shelter food and job training programs
• ·A tech startup raised millions in funding to develop AI-powered healthcare tools
• ·A snowstorm in the northern states canceled over 550 flights and closed government offices
• ·Coffee shop roasts beans in small batches
• ·A bakery introduced a line of low sugar cookies and pastries for health conscious customers