On 04/29/2014 01:16 PM, Adam Funk wrote: > "A man pitches his tent, walks 1 km south, walks 1 km east, kills a > bear, & walks 1 km north, where he's back at his tent. What color is > the bear?" ;-) From how many locations on Earth can someone walk one mile south, one mile east, and one mile north and end up at their starting point? Emile