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Nearly every nation has fallen short in its efforts to cut global emissions. And while world leaders are making new commitments to reduce carbon emissions, scientists say wildlife is already facing the consequences of climate change.
Nearly every nation has fallen short in its efforts to cut global emissions. And while world leaders are making new commitments to reduce carbon emissions, scientists say wildlife is already facing the consequences of climate change.
Nearly every nation has fallen short in its efforts to cut global emissions. And while world leaders are making new commitments to reduce carbon emissions, scientists say wildlife is already facing the consequences of climate change.
Article body copy The underwater chorus of killer whales or dolphins could contain secret military messages hidden in plain sound. Chinese researchers have recently published a series of studies describing how to disguise underwater communications as artificial dolphin clicks and killer whale songs, potentially allowing stealthy submarines or underwater drones to cryptically pass covert military communications between each other or a home base. Mimicking marine mammal sounds to disguise military communication is a decades-old idea that has resurfaced. During the Cold War’s geopolitical riva...