“People tend to have an unconscious bias towards male birds, and that’s often because they’re brighter and easier to identify,” says lead author Joanna Wu, an ornithologist and ecologist at the ...

Human rights groups have suggested Serbian authorities used a 'long-distance acoustic device' - but the government has denied ...

Serbian Prime Minister Milos Vucevic said earlier on Monday that the government invites Russian and US special services to investigate the alleged use of a "sonic weapon" by the police ...