Pluto's strange ice patterns explained by new theory
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An explanation for giant ice structures on Pluto, and dismantling the mestizo myth in Latin American genetics.
In this episode:
00:46 The frozen root of Pluto\\u2019s polygonal patterns
In 2015, NASA\\u2019s New Horizons probe sent back some intriguing images of Pluto. Huge polygonal patterns could be seen on the surface of a nitrogen-ice ice filled basin known as Sputnik Planitia. This week, a team put forward a new theory to explain these perplexing patterns.
Research article: Morison et al.
06:15 Research Highlights
How Pamplona\\u2019s bull-running defies the dynamics of crowd motion, and self-healing microbial bio-bricks.
Research Highlight: Running of the bulls tramples the laws of crowd dynamics
Research Highlight: It\\u2019s alive! Bio-bricks can signal to others of their kind
09:06 How the mixed-race \\u2018mestizo\\u2019 myth has fostered discrimination
The term \'mestizo\' emerged during the colonial period in Latin America to describe a blend of ethnicities \\u2013 especially between Indigenous peoples and the Spanish colonizers. But this label is a social construct not a well-defined scientific category. Now researchers are challenging the mestizo myth, which they say is harmful and has a troubling influence on science.
Feature: How the mixed-race mestizo myth warped science in Latin America
17:22 Briefing Chat
We discuss some highlights from the Nature Briefing. This time, how interrupted sleep could be a route to creativity, and the development of vaccines to target respiratory syncytial virus.
New Scientist: Interrupting sleep after a few minutes can boost creativity
Nature News: The race to make vaccines for a dangerous respiratory virus
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