When I got into work this morning, as I fumbled with the keys to my office, I noticed I was distinctly dry. Not sweaty at all. Granted, it’s cooler than it has been. It’s only 81ºF right now. Still it’s a wet morning, and the humidity is 84%. But the key factor here is not […]

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Sand dollars are of the phylum Echinodermata, class Echinoidea. Xy found this one on the beach in South Carolina. Back when I was working on Interactive Taxonomic Zoology, I knew the phylum and class for lots of creatures. But while walking on the beach, I found I’d forgotten. I couldn’t even remember the three classes […]

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