Human psychology can be entertaining.A set of fake eyes can elicit more donations to a community fund.Colors like red are harder to identify when used on mismatched words like “blue.”A sketch of a rabbit can also be a sketch of a duck.But these quirks are not always benign.Minority job applicants are rated less favorably than white candidates, even with the same names and resumes.Black children can make up less than 20% of a school population but earn nearly half of all suspensions there.Blurry objects like …