The Conversation

Keir Starmer is under pressure and the sharks are circling. There are several key figures hopeful of replacing him. Wes Streeting, Andy Burnham and Angela Rayner are the big three. Yesterday, in the space of just one day, Streeting resigned from Starmer’s cabinet, Rayner was cleared of intentional wrongdoing over her tax affairs and Burnham found a parliamentary seat to contest. After all this, which of the three is in the strongest position? Charles Lees assesses the pros and cons.

Scientists in South Korea have been wondering whether contact lenses could one day be used treat depression. The team tested the concept on mice fitted with tiny lenses that deliver electrical frequencies to the brain. While the study was limited, it’s an interesting way of thinking about how we might treat depression in future.

And as Donald Trump returns home from China, we look at what Vladimir Putin will have made of his talks with Xi Jinping.

Sarah Reid

Politics + Society Editor

Starmer’s speech a few days after disastrous election results for Labour was billed as his last chance to save his premiership. James Manning/PA Images/Alamy

Who are the main contenders to replace Keir Starmer as prime minister?

Charles Lees, City St George's, University of London

Streeting accused Starmer of creating a ‘vacuum’ in the Labour party where vision is needed.

New Africa/Shutterstock.com

Depressed mice successfully treated with smart contact lenses that zap their brains – new study

Barbara Pierscionek, Anglia Ruskin University

Contact lenses that treat depression? The idea is tantalising, but the science is still in its earliest stages.

The Russian president, Vladimir Putin, attends a meeting at the Kremlin in Moscow, Russia, on May 12. Mikhail Metzel / Kremlin Pool / EPA

Why Putin will have been watching the Trump-Xi summit nervously

Stefan Wolff, University of Birmingham

Vladimir Putin will see his relevance and leverage diminished by more stable US-China relations.

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