The Birkin bag made by French luxury retailer Hermès has become a status symbol for some of the global elite. Notoriously difficult to obtain, a select few obsess over how to get their hands on one.

But when US retailer Walmart recently launched a much cheaper bag that looked very similar to the Birkin, nicknamed a “Wirkin” by others, it sparked discussions about wealth disparity and the ethics of conspicuous consumption. In this episode of The Conversation Weekly podcast, we speak to sociologists in the US and the UK about the Birkin and what it symbolises.

And has evidence of alien life really been found? We hear about what researchers in Cambridge, England analysed using Nasa’s James Webb Space Telescope and why their work has caused a global scientific sensation.

Gemma Ware

Head of Audio, The Conversation, London

Darryl Fonseka/Shutterstocl

Indicators of alien life may have been found – astrophysicist explains what the new research means

Ian Whittaker, Nottingham Trent University

It’s the best result yet - but the evidence still isn’t strong enough to convince the scientific community.

Tony Neil Thompson/Shutterstock

Birkin vs Wirkin: the backlash against the global elite and their luxury bags – podcast

Gemma Ware, The Conversation

The Birkin bag made by luxury retailer Hermès is a must-have for the global elite. Listen to The Conversation Weekly podcast to hear two sociologist discuss what it symbolises.

Lennon and Ono in a still from the film. Magnolia Films

One to One: John & Yoko – documentary shows how Lennon and Ono shaped protest music, pop culture and each other

Stephanie Hernandez, University of Liverpool

Rather than perpetuate the simplified myth of Lennon as a lone revolutionary figure, the film spotlights Ono’s equally influential role.