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Podcast: The World, the Universe and Us
Episode: #17: The truth about our appetites, the impact of coronavirus on conservation, mud volcanoes on Mars
Description: Rather than simply eating until we are full, humans selectively try to eat the right amounts of three macronutrients – protein, carbs and fat – plus two micronutrients, sodium and calcium. It turns out we have five separate appetites that drive us to eat the right amount of each.In the pod this week are New Scientist journalists Rowan Hooper, Penny Sarchet, and Graham Lawton. They discuss an evolutionary explanation for the obesity epidemic: the fact humans will gorge on carbohydrates to try and get enough protein if they find themselves deprived of this nutrient.The team also...