#176 Human organoids are new AI frontier; Listening to the big bang through the cosmic microwave background

Brainoids - tiny clumps of human brain cells - are being turned into living artificial intelligence machines, capable of carrying out tasks like solving complex equations. The team finds out how these brain organoids compare to normal computer-based AIs, and they explore the ethics of it all.

Sickle cell disease is now curable, thanks to a pioneering trial with CRISPR gene editing. The team shares the story of a woman whose life has been transformed by the treatment.

We can now hear the sound of the afterglow of the big bang, the radiation in the universe known as the cosmic microwave background. The team shares the eerie piece that has been transposed for human ears, named by researchers The Echo of Eternity.

Artificial intelligence can now read our minds…under a very specific set of circumstances. The team looks at a mindblowing new study which feels very sci-fi.

Pop legend and environmentalist Feargal Sharkey makes a cameo to highlight the campaign New Scientist is running in collaboration with the i newspaper, to draw attention to the shocking state of Britain’s rivers. 

Great apes like to twirl around like ballerinas. As the team finds out, it turns out it’s not just humans who like to spin around and make themselves dizzy, it’s fun for many other species of ape too.

Bonnie Garmus, author of the bestselling novel Lessons In Chemistry, speaks to comment and culture editor Alison Flood about the success of her debut novel. She explains the inspiration behind her protagonist and why she made her a chemist. And she discusses fan-favourite character Six-Thirty the dog and the intelligence of animals.

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

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