“Black Software” Book, Mucus. Oct 25, 2019, Part 2
Podcast |
Science Friday
Media Type |
audio
Categories Via RSS |
Astronomy
Earth Sciences
Life Sciences
Science
Publication Date |
Oct 25, 2019
Episode Duration |
00:46:29

When the World Wide Web was first being developed, African American software engineers, journalists and entrepreneurs were building search engines, directories, and forums to connect and bring on black web users and communities. In his book Black Software: The Internet and Racial Justice, from the AfroNet to Black Lives Matter, Charlton McIlwain tells the stories of these individuals. McIlwain also discusses the role these technologies can play in racial justice including how digital data can become segregated and the role social media platforms can play in offline social movements.

Plus, mucus gets a bad rap for its “ick” factor. But without it, you couldn’t blink, swallow, smell, or taste. You couldn’t digest your food, either. In fact, you wouldn’t even exist. The slimy material is the miraculous reason for our survival. Mucus is a ubiquitous natural goo. Jellyfish and hagfish have it; corals, which spend 40% of their daily energy intake producing mucus, are coated with it; even vegetables ooze it.

The substance is built from tiny thread-like polymers that look like bottle brushes, she says, and that backbone is studded with sugars called glycans. Those sugars appear to be one of the key ingredients that allows mucus to pacify problematic pathogens, according to a new study from Ribbeck’s group. The work is in the journal Nature MicrobiologyIn this segment, Ribbeck talks with Ira about the molecular complexities of mucus, and the many wondrous qualities of this potent and protective natural goo.

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