The UN-news season is upon us but BEWARE of Sun Screens!.
Just in time for the "silly season" news cycle we have had our first shark-scare story. It was predictable. It was inevitable. It was essentially meaningless except for the individuals touched by the tragedy - it means nothing more than a story about someone being killed by a lightning strike which is much more common than shark kills. It is too soon to know if this will be the big "scare" story theme for this Summer. It could still be the Red Tide; people stealing cars from vacationers just to get the gas in their tanks; but we know there will ALWAYS be a big and, critically important, a scary story running through the Summer to keep people watching the TV news. A perrenial story is that of the need for sun screen. The TV always gets this wrong. Sun screens, like window glass, filter out half of the UV. Unfortunately the blocked part (UVB) is the part that generates Vitamin-D. UVA, passed by glass and most sun screens, actually destroys Vitamin-D, perhaps explainin...