Every evening, as darkness descends upon the sea, millions of fish, crustaceans, and octopuses leave the ocean depths and rise to the surface, and when dawn comes, they return down into darkness. This is the largest known migration in the animal world. The cause, according to a new study, is fear of sharks, dolphins and other predators that hunt with the help of vision
Danish commercial fishing is being hit hard by Brexit. But there are big differences between fishermen. One of them is a billionaire. And criminal suspect