going to be able to dig yourself out. sometimes you can't even expand your lungs to breathe. >> reporter: but if you're alive after the snow stops moving, having the right equipment can mean the difference between life and death. just like it did for christopher carlson. gary tuchman, cnn, copper mountain, colorado. >> it's amazing video. a programming note, starting tomorrow on 360 we're looking into a fascinating question. are babies born knowing the difference between good and evil, between good and bad? you can join that conversation tomorrow when cnn digital correspondent kelly wallace and author paul bloom join me for a live google hangout tomorrow at 1:30 eastern. you can find the link on our web site, ac360.com. our reports begin tomorrow night at 8:00. the "ridicu-list" is next. stick around. [ male announcer ] hey, look at you!