How to grow cress on a damp paper towel.
How to spell pretty much all the words you ever learnt.
How to use the Pythagorean theorem.
How to do any sort of maths on paper.
How to actually write anything by hand.
How to use an encyclopedia.
How to draw and use a circuit diagram.
How to drop an egg off a five-storey building without it breaking.
How to identify an oxbow lake.
How to make a battery out of a potato.
My Very Easy Method Just Speeds Up Naming Planets.
How to make an acrostic.
How to put a condom on a banana.
How to correctly structure and form an argument.
How to predict your future using one of these.
How to spell "boobies" on a calculator.