Publisher, TEDEd, Video, YouTube
We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need? This video explains how a few different factors should go into determining the recommended amount for each person.
4 March 2018 Edit: 4 March 2018