It’s already been a year since COP26, with its successor COP27 gearing up to begin on 6 November. 12 months on from some big pledges, the team <a href="https://www.newscientist.com/article/mg25634103-100-cop27-how-the-world-is-doing-on-climate-targets-and-what-to-expect/" rel="noopener noreferrer" target="_blank">finds out how much action has actually been taken</a>, and whether this next climate conference is set to move the needle further.Quacks, barks and farts; listen out for some intriguing and unexpected animal sounds. The team shares the <a href="https://www.newscientist.com/article/2343954-vocal-communication-recorded-in-53-animals-we-thought-were-silent/" rel="noopener noreferrer" target="_blank">newly discovered vocalisations</a> of some animals, like turtles and lungfish, that we previously thought were silent.Turmeric has become an increasingly popular supplement, particularly in the US. But reports are coming in that the spice is <a href="https://www.newscientist.com/article/2343736-turmeric-supplements-have-been-linked-to-liver-damage-in-five-people/" rel="noopener noreferrer" target="_blank">causing liver injuries and turning people’s skin yellow</a>. The team finds out what’s going on.A quantum watch is a <a href="https://www.newscientist.com/article/2343039-quantum-watch-is-a-completely-new-way-of-measuring-time/" rel="noopener noreferrer" target="_blank">completely new way to measure time</a>. Using quantum interference, this new technique can accurately measure tiny nanoseconds of time. Although its applications are quite niche, the team explains how this technology could be very useful.As a Halloween treat, our Life Form of the Week is the pumpkin and other squashes. The team dives into the surprising origins of these strange, hard-skinned fruits, and <a href="https://www.newscientist.com/article/2342838-the-surprising-evolutionary-history-of-pumpkins-and-squashes/" rel="noopener noreferrer" target="_blank">how they came to spread worldwide</a>.On the pod are Penny Sarchet, Chelsea Whyte, Michael Le Page, Leah Crane, Sam Wong, Alice Klein and Rowan Hooper. To read about these subjects and much more, you can subscribe to New Scientist magazine at <a href="newscientist.com" rel="noopener noreferrer" target="_blank">newscientist.com</a>.Events and discount codes:Halloween sale: <a href="newscientist.com/Halloween22" rel="noopener noreferrer" target="_blank">newscientist.com/Halloween22</a>New Scientist Discovery Tours: <a href="newscientist.com/tours" rel="noopener noreferrer" target="_blank">newscientist.com/tours</a>Wild Wild Life newsletter: <a href="newscientist.com/wildwildlife" rel="noopener noreferrer" target="_blank">newscientist.com/wildwildlife</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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#145 COP27 climate summit preview; unexpected animal sounds

New Scientist Weekly