Understanding Silent Spreaders
13 min

A top World Health Organization official sparked a controversy earlier this week when she said cases of asymptomatic carriers of COVID-19 spreading the virus are "very rare.” She later clarified her remarks. That provided a moment to explore the debate over so-called silent spreaders -- people who don't get sick after they're infected with the virus -- and their role in its transmission.

Nature Podcast
Nature Podcast
Springer Nature Limited
Neutrinos give insights into the workings of the Sun’s core
Scientists have finally confirmed the existence of a CNO cycle fusion reaction in the Sun, and why women’s contraception research needs a reboot. In this episode: 00:47 Detection of CNO neutrinos Since the 1930s it has been theorised that stars have a specific fusion reaction known as the CNO cycle, but proof has been elusive. Now, a collaboration in Italy report detection of neutrinos that show that the CNO cycle exists. Research article: The Borexino Collaboration News and Views: Neutrino detection gets to the core of the Sun 08:48 Coronapod We discuss the search for the animal origin of SARS-CoV-2, with researchers raiding their freezer draws to see if any animals carry similar viruses, and the latest vaccine results. News: Coronaviruses closely related to the pandemic virus discovered in Japan and Cambodia News: Why Oxford’s positive COVID vaccine results are puzzling scientists 19:32 Research Highlights How sleep patterns relate to ageing, and a solar-powered steam sterilizer. Research Highlight: For better health, don’t sleep your age Research Highlight: Technology for sterilizing medical instruments goes solar 21:50 Getting women’s contraception research unstuck Since the 1960s there has been little progress on research into women’s contraceptives. This week in Nature, researchers argue that this needs to change. Comment: Reboot contraceptives research — it has been stuck for decades 29:35 Briefing Chat We discuss a highlight from the Nature Briefing. This time, a tool to summarise papers. Nature News: tl;dr: this AI sums up research papers in a sentence Try the TLDR tool yourself! Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.   See acast.com/privacy for privacy and opt-out information.
35 min
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