Collins was also a parent to two young children. The fact that she was a working wife and mother was frequently brought up in press conferences at the time, with some journalists seemingly astonished that she could be both.
That's because the "overriding" threat to streaming services isn't one another - it's YouTube, says Harrington of Enders.
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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.