It’s a mystery that has long puzzled researchers. Freud called the phenomenon infantile amnesia, and for many years scientists have wondered whether it’s a result of failure to create memories or just a failure to retrieve them. In this episode from March 2025, Ian Sample speaks to Nick Turk-Browne, a professor of psychology at Yale University, whose researc ... Show More
Mar 17
What’s behind the injectable peptide craze?
Grey-market injectable peptides – a category of substances with obscure, alphanumeric names such as BPC-157, GHK-Cu, or TB-500 – have developed a devoted following among biohackers and health optimisers. To understand how these unregulated substances have become mainstream and wh ... Show More
17m 42s
Mar 12
Exercise and brain function, hedgehog hearing, and can AI change our minds? – podcast
The Guardian’s science editor, Ian Sample, talks to Madeleine Finlay about three eye-catching science stories from the week, including a study that explores the link between exercise and brain health. Also on the agenda: the discovery that hedgehogs can hear high-frequency ultras ... Show More
20m 3s
Dec 2024
Mnemonology (MEMORY) Part 1 with Michael Yassa
<p>How are memories made? Where are they stored? Where do they go? What was I just talking about? Neurobiologist, professor, researcher, and Director of UC Irvine’s Center for the Neurobiology of Learning and Memory, Dr. Michael Yassa, joins us for a two-parter deep diving into o ... Show More
1h 15m
May 2025
Imagine a sunset, now imagine you can't
Aphantasia is the inability to see with your mind’s eye. And its discovery has made scientists ask a surprising question: What is the mind’s eye even for? (First published in 2022.) Guests: Alice Coles, artist; Adam Zeman, cognitive neurologist at the University of Exeter Medical ... Show More
23m 45s
Jul 2025
Our memory and sense of self are full of illusions | with Anne Wilson
Psychologist Anne Wilson studies how we construct our identities over time—how we remember the past, imagine the future, and tell ourselves stories that shape who we believe we are. In this episode, we explore why our memories are often less reliable than we think, and how that i ... Show More
52m 53s
Dec 2024
The Psychology of Nostalgia
In the first of two special holiday episodes, Claudia Hammond and an expert panel of psychologists look back, nostalgically. At this festive time of year, you might be thinking wistfully about Christmas past – perhaps you’ll be rewatching old films, arguing over a game of Monopol ... Show More
29m 45s