n The vitamin B complex was discovered before vitamin A, and was first called “water-soluble factor B.” Vitamin A was discovered shortly thereafter, and was called “fat-soluble factor A,” as near as we can tell, to “back-fill” the alphabet. We think vitamins C, D and E were named in that order. But we’re sure Vitamin K got its name from the Danish/German “koagulations.” If you’ve got more info on the subject, please let us know.

If you regularly use something called a “lap dissolve” in your work, you are most likely a:

A) Movie director

B) Chemist

C) Magician

D) Jockey

Answer Monday.

Thursday’s answer: The message on the reverse side of Harry Truman’s “The buck stops here” sign is “I’m from Missouri.”

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