Science commentator Samuel Purdie joins Kathryn to talk about research he's been involved with into lizard eDNA, the regional conservation statuses of reptiles through Otago and field surveys of Southern Alps giant wētā.

Science: Lizard eDNA, Otago reptile threat lists, giant weta

Smart, in-depth and relentlessly curious, host Kathryn Ryan dives into the stories shaping New Zealand and its people. Interviews and expert analysis from around the world and at home. It’s where big ideas are unpacked and everyday life explored.

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Science: Lizard eDNA, Otago reptile threat lists, giant weta

Science: Lizard eDNA, Otago reptile threat lists, giant weta