A city started a composting program for residents that turns food waste into garden fertilizer

The space agency announced plans to study the surface of Mars for signs of past lifeLocal businesses donated goods and services to a charity auction benefiting a children’s hospital

The United Nations released a report on the effects of climate change on coastal communitiesA cyclist set a new national record for the fastest time in a 100-kilometer raceA library added new audio books and e-books to its collection for users to borrow online

Researchers found that eating fish high in omega-3 fatty acids can improve brain healthThe city announced plans to repave 50 miles of roads and repair potholes

A tech company launched a new smartphone with a better camera and longer battery life

A thunderstorm knocked down trees and power lines in several residential neighborhoodsAn airline announced it would offer free checked bags for military personnel and their families

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 America

(责任编辑：雷光夏)