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Scientists have found a striking similarity in the DNA that enables some bats and dolphins to echolocate.
 bat dolphin echolocation DNA genetics toread
Researchers have revealed more detail about the evolutionary "arms race" between bats and moths. One study in the journal Current Biology has shown how a species of bat uses a quiet "stealth mode" of the clicks it uses to locate its prey. Another from a Royal Society journal showed that a moth can distinguish between clicks that mean it has been spotted, and clicks that mean a strike. This allows the moths to choose...


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Bats and dolphins bounce sound waves off their surroundings and by listening to the echoes can "see" the world around them. Some blind humans have also trained themselves to do this, allowing them to explore cities, cycle and play sports.


 navigation blind bat echolocation brain sight hearing human neuroscience vision
The animals join an elite group of mammals known to adapt a vocal sound in response to the environment that includes humans, bats and whales.


 voice accent speech language sound communication goat whale bat system:unfiled