What's the latest on the coronavirus situation? Do facemasks protect against viruses? Can we use nuclear bombs to combat climate change? Are artificial diamonds valuable? How long do viruses persist in the environment? What is WiFi sensitivity? Why does the Sun resemble popcorn in photographs? And why can I hear my sonic pest repeller? Dr Chris and 567 Cape Talk's Lester Kiewit for the answers... Like this podcast? Please help us by
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