回声定位叫声通常为超声波——频率范围在20赫兹至200千赫兹之间,而人类的正常听力上限通常约为20千赫兹。即便如此,我们仍能听到某些蝙蝠(例如斑点蝠)发出的回声定位声。这些噪音类似于两颗圆形卵石相互撞击所产生的声音。总体而言,回声定位叫声的特征体现于 ...
During a conversation with Variety’s "Actors on Actors," Nicole Kidman and Zendaya discuss the physical and emotional toll ...
Bats are well known for their ability to “see” with sound, using echolocation to find food and their roosts. Some bats may also conceive a map made of sounds from their home range.
Biologists have found that evolution has provided moths with a variety of ways to evade bat sonar. Some have noise-canceling ...
Bats use high-frequency sound as a tool. With their vocal cords, they bang out short, swift bursts through their nostrils or mouths, molding airwaves and interpreting the pattern changes that ...
People at a loud bar, might lean in to better hear what someone is saying. A dog might tilt its head toward a muted sound. Here researchers wondered how hearing-dependent echolocating bats might adapt ...
A dog might tilt its head toward a muted sound. Here researchers wondered how hearing-dependent echolocating bats might adapt when a key auditory region in the brain was turned off. They trained ...