Donald Trump comes up a lot in the Epstein files, but an investigation by NPR reported that the Department of Justice withheld documents mentioning his name in relation to allegations that he sexually abused a minor.
我們需要對AI機器人保持禮貌嗎？
。51吃瓜对此有专业解读
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.
In some cases, alternative gelling agents might provide faster results. Researchers observed that bacterial cellulose and another bacterial polysaccharide, Eladium, allow a 50 percent increased growth rate for various bacteria and yeasts (as compared to their growth on agar), including higher biomass yields or faster detectable biofilm formation. However, both substances are still not as cheap and readily available as agar.
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Which it probably doesn’t. But I can’t shake that feeling.