A comprehensive, but not-exhaustive index where I list and expand upon documented biases that have been shown to affect data collection, reasoning, decision-making and working with others. It also refers to practical examples and mitigation strategies. The world is built on foundations of sand: unstable, shifting, and more fragile than we like to admit. People rely on shortcuts, assumptions, and impressions to move through a complex world, and those heuristics can be useful because they help us act without stopping to analyze every detail. ...