Tech & Science Daily asked Simon Lewis, professor of global change science at UCL, about the new government’s challenges for tackling the climate crisis, transition to renewable energy and the Tories’ eco report card after 14 years in power. Plus, a Nasa crew is due to leave Mars simulation after 378 days. Richard McCracken, associate professor and lasers expert at Heriot-Watt University, on work to create ‘astrocomb’ helping giant SALT telescope hunt exoplanets.

Also in this episode:

• Japan says sayonara to floppy disks
• Giant fanged swamp beast ‘was pre-dinosaurs top predator’
• Song melodies ‘simpler since 1950s’

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