TWiM explains how bacterial community structure can be used to predict athletic performance in racehorses, and the idea that a tiny fraction of all species forms most of Nature.

Hosts: Vincent Racaniello, Michael Schmidt, Petra Levin and Mark O. Martin.

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• Microbiome picks a winner (Sci Rep)
• Picking a Winner by Reading the Form
• Hen’s Teeth and Horse’s Toes by Stephen Jay Gould
• How much does it cost to breed a horse?
• Date of birth and purchase price as foals or yearlings and race performance
• Rarity as a sticky state (PNAS)
• How many species on Earth? (PLoS Biol)
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