Since February, hundreds of dolphins have been found dead off the coasts of Ukraine, Bulgaria and Turkey. Scientists have pointed to the war in Ukraine as a possible cause. Navy sonar systems used to locate other vessels create powerful sounds that may be disorienting the marine animals.
Echolocation is a skill used by several animals for hunting and navigating. Bats, whales, dolphins and some birds send out sounds and listen back to the echoes these noises make as they strike nearby objects. Daniel Kish is an expert in the use of human echolocation. Kish has been blind since he was 13 months […]