I would not go quite that far. Nursing, architecture, and several other marketable degrees are not on your list. Math is not considered a hard science, but applied math, statistics, and economics are in demand and extremely marketable.
“Nursing, architecture, and several other marketable degrees are not on your list.”
True. Listing all would be a huge paragraph. By the way, I also did not mention grammar, vocabulary, typing, computers, and electricity.