The Role of Knots in Microtextures

Today you’ll learn about what long lost genomes from the last ice age teach us about ancient hunter-gatherers, how a covid-era obsession helped make a resilient new material, and a proposal to create something very controversial: the world’s first octopus farm. 

Find episode transcripts here: https://curiosity-daily-4e53644e.simplecast.com/episodes/ice-age-survivors-micro-knots-octopus-farm

Ice Age Survivors 

• “Ice age survivors” by Max-Planck-Gesellschaft
  • https://www.mpg.de/19941740/0223-evan-ice-age-survivors-150495-x
• “Large-scale genomic analysis documents migrations of Ice Age hunter-gatherers” by UNM Newsroom
  • https://news.unm.edu/news/large-scale-genomic-analysis-documents-migrations-of-ice-age-hunter-gatherers

Micro Knots

• “Knots smaller than human hair make materials unusually tough” by Robert Perkins
  • https://phys.org/news/2023-03-smaller-human-hair-materials-unusually.html
• “Knots are not for naught: Design, properties, and topology of hierarchical intertwined microarchitected materials” by WIDIANTO P. MOESTOPO et al.
  • https://www.science.org/doi/10.1126/sciadv.ade6725

Octopus Farm 

• “World's first octopus farm proposals alarm scientists” by Claire Marshall
  • https://www.bbc.com/news/science-environment-64814781
• “The world's first octopus farm - should it go ahead?” by Claire Marshall
  • https://www.bbc.com/news/science-environment-59667645
• “Live chilling of turbot and subsequent effect on behaviour, muscle stiffness, muscle quality, blood gases and chemistry” by B Roth, AK Imsland and A Foss
  • https://www.cambridge.org/core/journals/animal-welfare/article/abs/live-chilling-of-turbot-and-subsequent-effect-on-behaviour-muscle-stiffness-muscle-quality-blood-gases-and-chemistry/9578F848E35B0E1C7AD1A6B7DFAD7B21
• “Nitrogen and Water” By Water Science School
  • https://www.usgs.gov/special-topics/water-science-school/science/nitrogen-and-water#:~:text=Excess%20nitrogen%20can%20harm%20water,block%20light%20to%20deeper%20waters.

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