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.
HP executives also said they are seeing stronger AI PC demand, saying 35 percent of HP’s PC sales are coming from AI PCs. This comes as the industry is seeing mixed signals, like Dell saying that consumers don't really care about AI PCs.
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