Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Much of the food you eat is absorbed by your ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Much of the food you eat is absorbed by your digestive system, which includes your ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Brian Robert Boulay, University of Illinois Chicago (THE CONVERSATION) Advertisement ...