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Barbara is getting a new tattoo, one that will take 5 hours to complete. If the artist charges $80 per hour for the first 3 hours and $35 for every hour after that, how much will her new tattoo cost?

The Fact

Much like how cinema works, where a series of frames quickly placed next to one another create the impression of movement, your brain’s occipital lobe often join dots with what it presumes is there. Your brain uses past experience to ensure the world around you is understood and not too confusing.

Imagine you have debt a bank a couple of hundreds pound sterling. This is your problem. But if your debt is a couple of hundred millions pound sterling - that's the bank's problem!