• Associate Science Editor & Co-Host of The Conversation Weekly Podcast, The Conversation
In deep brain stimulation, electrodes – the pale white lines – are implanted into a patient’s brain and connected to a battery in a person’s chest. Jmarchn/Wikimedia Commons

Treating mental illness with electricity marries old ideas with modern tech and understanding of the brain – podcast

Deep brain stimulation and trasncranial magnetic stimulation treat mental illness by sending electrical currents into parts of the brain. Every new patient provides researchers with a wealth of information. Listen to The Conversation Weekly podcast.
Fossil fuel investors can use an obscure legal mechanism found in many international trade agreements to sue countries if their projects are blocked. curraheeshutter via Shutterstock

A secretive legal system lets fossil fuel investors sue countries over policies to keep oil and gas in the ground – podcast

Experts are concerned that a legal mechanism called investor-state dispute settlement could affect countries’ moves to cut fossil fuel emissions. Listen to The Conversation Weekly.
Psychedelic experiences are deeply tied to mystical and counterculture ideas that are often at odds with science. Daniel Merino, DeepDream

Psychedelics researchers balance trippyness with scientific rigor after history of legal and cultural controversy – podcast

Today’s psychedelics researchers still have to deal with the fallout of the decadeslong freeze on research. Listen to ‘The Conversation Weekly’ podcast.
Labor’s Anthony Albanese (left) is leading Liberal Prime Minister Scott Morrison in polls ahead of Australia’s election on May 21. Reuters / Alamy Stock Photo

Australian election: how the country’s political landscape is shifting – podcast

Australians head to the polls in federal elections on May 21. Your guide to what’s at stake. Listen to The Conversation Weekly podcast.
Russia threatened to withdraw from the International Space Station over sanctions imposed on the country following its invasion of Ukraine. 3Dsculptor via Shutterstock

Ukraine invasion threatens international collaboration in space and shows how power structures are changing – podcast

Listen to two space experts discuss how the Russian invasion of Ukraine threatens international collaboration in space on The Conversation Weekly podcast.
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