New Scientist Weekly #202

In a potentially era-defining scientific breakthrough, we are now able to detect some of the biggest objects in the cosmos. Researchers have figured out how to use gravitational waves and dead stars to locate supermassive black holes. The team says this discovery could revolutionise our understanding of the origins of the universe.

It’s often assumed that men in hunter-gatherer societies did the hunting, and women did the gathering. But that’s just plain wrong. Archaeological finds and evidence from present day hunter-gatherer societies paint a completely different picture. As the team explains, not only did women hunt, but it’s likely they did it carrying children on their backs!

Can orangutans beatbox? Not quite - but they’re not far off! The team shares the sounds of a “kiss-squeak”, a noise as complex as beatboxing, which orangutans can do effortlessly. Adriano Lameira from the University of Warwick explains what this tells us about our primate cousins and the origins of human speech.

Magic mushrooms have brought religious leaders closer to the divine, in a new experiment looking at the effects of psychedelics. This is one of the projects highlighted at the world’s biggest conference on the science of psychedelics in Denver, Colorado. Grace Wade shares the latest from the conference.

Did you know some companies use artificial intelligence to sort through job applicants? While this can help streamline the hiring process, AI algorithms are notoriously biased, and could be making sexist or racist decisions. The team discusses a new law in New York City which aims to tackle the issue.

On the pod are Timothy Revell, Christie Taylor, Grace Wade, Alex Wilkins 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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