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Nature Podcast
Five years in the coldest fridge in the known Universe
Physics tells us that when matter is created, antimatter should be as well. But while the Universe is full of matter, there’s surprisingly little antimatter to be found. To try and understand this imbalance, a team have built a detector kept just above absolute zero which they are using to look for a hypothesised, ultra-rare type of particle decay that could create matter without antimatter.
Research article: The CUORE Collaboration
News and Views: Cryogenic mastery aids bid to spot matter creation
Subsidence of coastal cities makes them more vulnerable to sea-level rise, and tackling ‘crazy ants’ with a parasitic fungus.
Research Highlight: Global cities are sinking — and humans are partly to blame
Research Highlight: Marauding crazy ants come to grief when a fungus comes to call
12:17 Solving the puzzle of the missing plasmids
Bacteria are well known for their ability to share genes, which they often do using small circles of DNA called plasmids. But while plasmids are common in bacteria, a long-standing mystery has been why they are absent in a group of cholera-causing strains of Vibrio cholerae. Now, a team might have solved this mystery, by discovering two previously unknown DNA defence systems that eliminate plasmids, hidden in the bacteria's genomes.
Research article: Jaskólska et al.
News and Views: Bacterial defence systems degrade plasmid invaders
18:41 Briefing Chat
We discuss some highlights from the Nature Briefing. This time, what smelling jars from an Egyptian tomb has revealed about ancient burial practices, and the latest report from the IPCC.
Science: Ancient smells reveal secrets of Egyptian tomb
Nature: IPCC’s starkest message yet: extreme steps needed to avert climate disaster
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Briefing Chat: Are scientists funny? The evidence is in — and it's no joke
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Briefing chat: ‘Can it run Doom?’ — why scientists got brain cells and a satellite to play the classic game
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Briefing chat: What Galileo’s scribbled margin notes reveal about his scientific journey
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