Very interesting data on pepper spray used on polar bears...
Effective in 13 of 14 recorded cases worldwide.
Average distance to bear: 2m !
No bears or humans killed :)
Pepper spray is tool that should not be neglected.
http://awsassets.wwf.no/downloads/james_wilder_2__efficacy_of_bear_deterrent_spray_vs__polar_bears.pdf
