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entire structure will collapse. Hierarchies were satirized in The Peter Principle (1969), a book that introduced hierarchiology and the saying that "in...

Diving physics Breathing performance of regulators Buoyancy Archimedes' principle Neutral buoyancy Concentration Diffusion Molecular diffusion Force Oxygen...

into a product that must be purchased–restricts the egalitarian founding principle of the newspaper. Editor's Weblog reporter Katherine Travers, addressing...

is that low- and middle-income countries must apply the precautionary principle and ban these products before they threaten to derail tobacco control...