Archaeologists discovered an ancient burial site with artifacts from a pre-Columbian civilization

Researchers developed a new vaccine that provides protection against three different virusesThe railway service announced it would offer free travel to students during school breaks

A new TV show based on a popular video game became one of the most-watched series of the yearA study revealed that eating nuts as a snack helps maintain healthy cholesterol levelsA city installed more security cameras in parks to prevent vandalism and crime

An airline announced it would add more legroom to its economy class seats starting next yearScientists found that a certain type of algae can be used to produce clean biofuel

The government launched a campaign to encourage people to reduce their energy use at home

A museum hosted a lecture by a renowned archaeologist about recent discoveries in ancient ruinsThe public transit system added 25 new wheelchair-accessible buses to its fleet

A famous actress announced she will direct her first feature film next yearA study revealed that using blue light filters on devices can reduce eye strain by 50%

The government launched a program to provide free legal aid to low-income familiesLandslides in mountainous regions blocked two major highways stranding hundreds of drivers

(责任编辑：叶蓓)

• ·Engineers successfully tested a new renewable energy system powered by wind and solar
• ·A new report showed that the number of endangered species has decreased by 15% over the past five years thanks to conservation
• ·Engineers tested a new type of bridge material that can withstand extreme weather conditions
• ·Researchers studied how exercise affects brain health
• ·The railway service announced it would upgrade its trains to include more comfortable seating
• ·Astronomers find evidence of water on distant planet outside solar system
• ·Local police partnered with community groups to prevent gang violence
• ·Researchers found that air pollution from factories increases the risk of heart disease in nearby residents
• ·The government launched a program to help small businesses create websites and online stores
• ·A tennis player won a tournament after coming back from two sets down in the final
• ·A popular TV show was renewed for a sixth season following high ratings and positive reviews from critics
• ·Online retailer offers free shipping for orders over $50
• ·Local farmers reported a bumper harvest this year thanks to favorable weather and modern agricultural techniques
• ·Weather conditions improved allowing a canceled sports event to be rescheduled
• ·A charity organized a clothing drive to collect winter coats for homeless individuals
• ·A bank introduced a savings account with a 4.5% interest rate for new customers