Why Fingernails on Blackboards Sound So Horrible
Much time has been spent, over the past century, on working out exactly what it is about the sound of fingernails on a blackboard that’s so unpleasant. A new study pins the blame on psychology and the design of our ear canals.
» via Wired
This inspired me to google “ear canal.” The images I found were disgusting and kinda awesome.
This was featured in #Science