18:41, 27 февраля 2026Экономика
People from cultures with strict social norms tend to be less skilled at being funny. These findings suggest that the ability to generate humor is not just an inborn personality trait, but a skill heavily shaped by the social rules of the environment in which a person lives.
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Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.
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