A popular music festival revealed its lineup including many world-famous singers

An oil company announced it will invest $8 billion in hydrogen fuel technology over the next decadeA hot air balloon made an emergency landing in a park with all passengers escaping unharmed

A study showed that eating a breakfast high in protein can reduce hunger cravings throughout the dayThe postal service announced it will expand its package delivery service to include Sunday deliveriesVolunteers planted 10000 trees in a deforested area as part of a reforestation project

A famous musician announced a farewell tour with concerts in 40 cities across the globeLocal schools reported a 92% attendance rate this year up from 85% the previous year

Engineers created a new type of solar panel that is 40% more efficient than current models

The government released a report showing a 15% reduction in air pollution in major citiesA study found that getting enough exercise improves memory and cognitive function in older adults

A major airline announced it will increase flights to popular vacation destinations during the summer monthsA new report showed that the number of endangered species has decreased by 14% over the past five years thanks to conservation

Local firefighters responded to a chemical spill at a factory evacuating nearby residents as a precautionDoctors performed the first successful face transplant in the country giving a patient a new identity after an accident

(责任编辑：Knowledge Bites)