#26: The hidden dark matter of our food; NASA’s new search for life on Mars; smallpox in the American civil war
What’s in our food? By now you’d think we’d have a pretty firm handle on that question, but it turns out we don’t know the half of it. In the pod this week are New Scientist journalists Rowan Hooper, Valerie Jamieson and Graham Lawton. They discuss what’s been called nutritional dark matter: the massive void in our…
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