In this episode:

00:44 Room-temperature superconductivity

For decades, scientists have been searching for a material that superconducts at room temperature. This week, researchers show a material that appears to do so, but only under pressures close to those at the centre of the planet.

The paper covered in this podcast has been retracted following concerns surrounding data processing steps.

Read more in this article: https://www.nature.com/articles/d41586-022-03066-z

The retracted paper can be found here: https://www.nature.com/articles/s41586-020-2801-z

08:26 Coronapod

The Coronapod team revisit mask-use. Does public use really control the virus? And how much evidence is enough to turn the tide on this ongoing debate? News Feature: Face masks: what the data say

19:37 Research Highlights

A new method provides 3D printed materials with some flexibility, and why an honest post to Facebook may do you some good. Research Highlight: A promising 3D-printing method gets flexible; Research Highlight: Why Facebook users might want to show their true colours

22:11 The best way to restore ecosystems

Restoring degraded or human-utilised landscapes could help fight climate change and protect biodiversity. However, there are multiple costs and benefits that need to be balanced. Researchers hope a newly developed algorithm will help harmonise these factors and show the best locations to target restoration. Research Article: Strassburg et al.; News and Views: Prioritizing where to restore Earth’s ecosystems

28:40 Briefing Chat

We discuss some highlights from the Nature Briefing. This time, a 44 year speed record for solving a maths problem is beaten… just, and an ancient set of tracks show a mysterious journey. Quanta: Computer Scientists Break Traveling Salesperson Record; The Conversation: Fossil footprints: the fascinating story behind the longest known prehistoric journey

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