HELSINKI, Finland (AFP)- Scientists in Finland have developed what they believe is the world’s first vaccine to protect bees against disease, raising hopes for tackling the drastic decline in insect numbers which could cause a global food crisis. Bees are vital for growing the world’s food as they help fertilize three out of four crops around the globe, by transferring pollen from male to female flowers. But in recent years bee populations around the world have been […]