[pct-l] Yes, we do walk in circles, some science

[armchairhiker]

Hi All,

 

It seems we do walk in circles when there is no reference for guidance.

 

http://esciencenews.com/articles/2009/08/20/with.nothing.guide.their.way.peo
ple.really.do.walk.circles

 

Thought some might find this interesting,

 

armchair