Health officials issued a warning about a recent outbreak of food poisoning linked to contaminated lettuce.

Researchers found that regular strength training reduces the risk of falls in the elderlyThe government launched a campaign to promote eco-tourism in national parks

A tech startup developed a new device that monitors the quality of drinking water at homeDoctors created a new surgical procedure that allows patients to recover from knee surgery fasterThe local museum hosted a "night at the museum" event with special tours and activities

A new study showed that spending time with grandchildren reduces depression in grandparentsThe national park service announced plans to build new campgrounds in a popular national park

A major snack company recalled a popular product due to possible contamination with allergens

Scientists identified a new enzyme that helps the body break down fat more efficientlyThe national library digitized a large number of old books to preserve cultural heritage

A major airline added new flight routes to several European citiesResearchers found that certain plants can purify the air in indoor spaces

The school board decided to update the curriculum to include more practical coursesA popular social media platform added new privacy features to protect user information

(责任编辑：韩阳子)

• ·A jewelry brand released a collection using recycled metals and ethically sourced gemstones
• ·A tech company released a new app that helps users learn a new language through games
• ·A grocery store started selling ugly produce at a discount to reduce food waste
• ·A city installed more security cameras in parks to prevent vandalism and crime
• ·A fashion store started selling vintage-inspired clothing for young adults
• ·Bookstore hosts author signing event for newly released novel
• ·The government launched a program to help small businesses create websites and online stores
• ·A study revealed that eating nuts as a snack helps maintain healthy cholesterol levels
• ·Research indicates that getting seven to eight hours of sleep improves athletic performance
• ·Weather forecasters predicted above-average temperatures for the upcoming summer raising concerns about heatwaves
• ·Chemists create all natural cleaning products safe for use around pets
• ·Weather experts reported that this year’s spring season has brought more rainfall than the past decade
• ·Scientists identified a new species of butterfly in the Amazon rainforest
• ·A construction company used 3D printing technology to build a small affordable home in two weeks
• ·A tech startup raised $130 million to develop artificial intelligence tools for the healthcare industry
• ·A new study revealed that social media use among teenagers is linked to increased feelings of loneliness and depression, according to researchers.