Covid Science: Test, Track, Trace

This week, testing, tracing and monitoring. How does a covid test actually work? Do antibodies to covid mean immunity? And the tech to monitor covid symptoms from home. Plus in the news, as lockdowns go local: how are they doing it Down Under? Why planting trees to capture carbon is worse for the planet, and the sparrows changing their tunes! Like this podcast? Please help us by supporting the Naked Scientists