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!


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