Why Can't We Walk Straight?

There is no way human can walk straight, I mean without any reference point or just blind fold. The video explain why:




What do you think? Can you walk straight with blindfold?


Hope you will enjoy this video, subscribe to my RSS or mailing list or follow me on blogger or twitter. :)

source: http://www.npr.org/blogs/krulwich/2010/11/03/131050832/a-mystery-why-can-t-we-walk-straight