Warnings over the world’s mad dash to create new supplies of fossil fuels, discussions about climate loss and damage, and talk about nature-based solutions. COP27 in Egypt is in full swing. Our reporter Madeleine Cuff brings us the latest, direct from Sharm el Sheikh.

This week’s Sci-fi alert is the unusual discovery of a star with a solid surface. The team explains how on this magnetar (the dense corpse of an exploded star), gravity would be immense and time would behave really weirdly - that’s if you’d be able to land on the thing. They also discuss how the IceCube Neutrino Observatory in Antarctica has been able to plot the course of cosmic neutrinos back to their home galaxy.

The 15th of November has been chosen by the UN to mark the point that the number of people on the planet passes 8 billion. Despite this, the team explains how the world’s population isn’t accelerating, and is expected to peak sometime this century - sharing surprising statistics from Japan and China.

Birds that migrate long distances are more likely to break up with their partners. Usually bird species are pretty much monogamous, so the team finds out why travelling species find it harder to stay together.

“May this tusk root out the lice of the hair and the beard.” The team shares news of the discovery of the oldest readable sentence written using the first alphabet.

On the pod are Rowan Hooper, Penny Sarchet, Madeleine Cuff, Leah Crane and Michael Le Page. To read about these subjects and much more, you can subscribe to New Scientist magazine at newscientist.com.

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209: Scary Wrestlers The Undertaker and Kane