Jonathan thinks he’s gravely ill and enlists the help of his friends to get to the bottom of it (in more ways than one). Alice gives the group a masterclass on how to get the most out of their leafy greens. This clip can be used as a springboard for a lesson on digestion, complete with analog digestion station, or as a very different science lesson, through heat transfer. They’ll also learn why some foods, like garlic and asparagus, give off pungent odours - both before, or after, they’re eaten.

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