Did You Know That Some People Can Create a Rumbling Sound in Their Ears?
Once again, Twitter is proving to be a great source of interesting facts about science. The latest talking point centers around the tensor tympani, a muscle in the ear that has a big impact on what we hear. Used to dampen sounds like claps of thunder or shouting or chewing, this muscle reduces the volume when things get too loud. But did you know that some people can actually flex this muscle voluntarily?










































































