Drones can determine the shape of a room by listening

Imagine a loudspeaker is placed in a room with a few microphones. When the loudspeaker emits a sound impulse, the microphones receive several delayed responses as the sound reverberates from each wall in the room. These first-order ...

Making music from spider webs

Spiders are master builders, expertly weaving strands of silk into intricate 3D webs that serve as the spider's home and hunting ground. If humans could enter the spider's world, they could learn about web construction, arachnid ...

Five things to consider before getting a feline companion

In the words of Sigmund Freud, "time spent with cats is never wasted." It's a view that's shared by the millions of people across the globe who are drawn to the small felines who chose to live with humans thousands of years ...

Building blocks of bird babble identified

A new study by an international team headed by the University of Zurich sheds light on whether animal vocalizations, like human words, are constructed from smaller building blocks. By analyzing calls of the Australian chestnut-crowned ...

Internally coupled ears enable directional hearing in animals

Humans use the time delay between the arrival of a sound wave at each ear to discern the direction of the source. In frogs, lizards and birds the distance between the ears is too small. However, they have a cavity connecting ...

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