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’s polygonal patterns
In 2015, NASA’s 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’s 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’s alive! Bio-bricks can signal to others of their kind
09:06 How the mixed-race ‘mestizo’ myth has fostered discrimination
The term 'mestizo' emerged during the colonial period in Latin America to describe a blend of ethnicities – 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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Genomics unwraps mystery of the Tarim mummies
Coronapod: can scientists harness COVID super-immunity?
Viking presence in the Americas pinpointed by ancient solar storm
Coronapod: the COVID scientists facing violent threats
How electric acupuncture zaps inflammation in mice
Coronapod: new data affirms the benefits of air filters and masks
The AI that accurately predicts the chances of rain
Starting up in science: behind the scenes
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Starting up in science: Episode 2
Starting up in science: Episode 1
Audio long-read: Can artificially altered clouds save the Great Barrier Reef?
Coronapod: solving the COVID vaccine manufacturing problem
The floating sensors inspired by seeds
How to help feed the world with 'Blue Foods'
The billion years missing from Earth’s history
Dead trees play an under-appreciated role in climate change
Audio long-read: why sports concussions are worse for women
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