Originally Posted by Scrodzilla

Blind people often have an extremely heightened sense of hearing that keeps them very aware of their surroundings and is a much different thing that simply "walking through the city with your eyes closed". A friend of mine who is blind can tell you what type of coins - and how many - are hitting the ground if you drop a handful of change. She can also accurately tell the difference between different colored M&Ms by taste, which to me is just insane.