Browsing: undergo

Pope Leo has said he will undergo surgery in the next few days to remove a small lung nodule recently discovered during a health check.

Two sea lions and two fur seals learned to press a paddle whenever they heard a tone, receiving fish as a reward for correct responses. The study, reported on 9 October, found the animals were most sensitive to sounds around 3.2 kilohertz. Researchers say the results provide a starting point for assessing noise from ships,…