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：Tech How-Tos)

• ·A team of researchers found a new way to purify water using sunlight that is 50% more efficient than existing methods
• ·A public library announced it will loan out power tools and gardening equipment to residents
• ·A historical church was damaged by fire and needs reconstruction
• ·Researchers calculated that switching to LED lights can save households $100 a year on energy bills
• ·Fire department installs free smoke detectors in homes of elderly residents
• ·A community garden hosted a tomato growing contest with prizes for the largest and sweetest fruits
• ·A streaming service added a new category of classic movies to its library for film enthusiasts
• ·A pet rescue organization started a foster-to-adopt program to help shy animals find homes
• ·Fire department gives away smoke alarms to low income families
• ·A fire department conducted a water rescue drill on a local lake
• ·A restaurant started using locally sourced meat and produce to support nearby farmers
• ·A study found that athletes who stretch before workouts have fewer injuries
• ·The government introduced new regulations for food safety
• ·Park officials announce new rules to protect wildlife in park areas
• ·A bakery donated 500 pastries to a local homeless shelter during the holiday season
• ·Local schools started using reusable water bottles to reduce plastic waste