Researchers have theorized that the brain has to learn the shape of its own ears in order to hear correctly.
Have you ever heard the color blue? Or tasted the musical note F-sharp?
Have you ever tried to hear the ocean waves in a seashell?
Toadfish do look a bit like toads. They have a large mouth and eyes toward the top of their heads.
Some species use their ears not just for hearing, but for communicating as well.
If a noisy neighbor is blasting music, drowning out your conversations and interrupting your sleep, you can call the police. But what is a whale to do?
Iamblichus is known for having written books about the Pythagoreans--a mystical sect of early Greek philosophers who investigated numbers.
How many times have you heard a jet plane going over but not been able to find it even though you were looking toward where the sound was coming from?
Water does a much better job than air of conducting sound waves, but that extra conductivity makes it harder, not easier, to tell where a sound comes from.