Diving Blind into the Blue Hole

As you may remember, last year I scuba dived into Belize’s Great Blue Hole – an underwater karst sinkhole that’s famous for its perfectly round shape and enormous speleothems (huge stalactites, stalagmites, and columns). Continue reading

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Aching Bottoms and Blue Holes

What’s an atoll?  It’s one of the most basic questions you should learn the answer to when you’re young, along with “Did God let my kitten die?” and “Why do I have two Dads?”  Fortunately, for those of you who never paid attention in Geography class, your Uncle John is here to educate you. Continue reading