This one's from WebMD about a risk at the beach you probably haven't thought of. We're wondering who these crazies are that dig these ginormous holes in the first place, but if that happens to be you and your friends, you need to read up... New research shows that digging sand holes can be risky because the sand may collapse in on diggers. In the past decade, there have been reports of 31 fatalities and 21 nonfatal cases of people submerged in sand when the sand holes they were digging for fun collapsed in on them. Read More...