<h2>00:47 How a racing heart could trigger anxiety</h2>Anxiety can make the heart beat faster, but could the reverse be true as well? That question has been much debated, but hard to test. Now, a team has shown that artificially increasing a mouse’s heart rate can induce anxiety-like behaviours, and identified an area in the brain that appears to be a key mediator of this response. They hope that this knowledge could help to improve therapies for treating anxiety-related conditions in the future.Research article: <a href="https://www.nature.com/articles/s41586-023-05748-8?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Hsueh et al.</a>News & Views: <a href="https://www.nature.com/articles/d41586-023-00502-6?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">How an anxious heart talks to the brain</a><h2></h2><h2>08:32 Research Highlights</h2>The chance discovery of the smallest rock seen so far in the Solar System, and the first brain recording from a freely swimming octopus.Research Highlight: <a href="https://www.nature.com/articles/d41586-023-00489-0?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Asteroid photobombs JWST practice shots</a>Research Highlight: <a href="https://www.nature.com/articles/d41586-023-00493-4?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">How to measure the brain of an octopus</a><h2>10:57 How NASA’s DART mission beat expectiations</h2>In September 2022, NASA’s DART spacecraft smashed into a space rock known as Dimorphos, which orbits a near-Earth asteroid. The aim of the mission was to test whether asteroids could be redirected as a method to protect Earth against future impacts. This week, multiple papers have been published describing what researchers have learnt about the impact and its aftermath. Reporter Alex Witze joined us to round up the findings.News: <a href="https://www.nature.com/articles/d41586-023-00601-4?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">How an asteroid lost 1 million kilograms after colliding with a NASA spacecraft</a>Research article: <a href="https://www.nature.com/articles/s41586-023-05805-2?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Thomas et al.</a>Research article: <a href="https://www.nature.com/articles/s41586-023-05810-5?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Daly et al.</a>Research article: <a href="https://www.nature.com/articles/s41586-023-05811-4?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Li et al.</a>Research article: <a href="https://www.nature.com/articles/s41586-023-05878-z?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Cheng et al.</a>Research article: <a href="https://www.nature.com/articles/s41586-023-05852-9?utm_source=naturepod&utm_medium=podcast&utm_campaign=shownotes" rel="noopener noreferrer" target="_blank">Graykowski et al.</a><a href="https://go.nature.com/get-the-nature-briefing" rel="noopener noreferrer" target="_blank">Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.</a><hr> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.

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How an increased heart rate could induce anxiety in mice

Nature Podcast