Scientists explore deepest parts of the Kermadec Trench

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer. The sample was obtained a week ago at 9994m deep in a mission that took six hours to complete. / Supplied by NIWA

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Currency control?
New Zealand

Currency control?

The Reserve Bank of New Zealand is considering launching a central bank digital currency (CBDC). This episode explores why and how it could work.