Peering into the jungle of microbes that live within us, researchers have stumbled across what seem to be an entire new class of virus-like objects. "It's insane," says University of North Carolina ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

Your personal food-processing plant is like a symphony orchestra: When all the parts perform well, the result is beautiful music that simply flows. Should one or two musicians space out or be unable ...

Probiotic supplements might not have any effect on health if they aren't the right strains or if they die before reaching the ...

Human bodies easily digest starch. Your body uses an enzyme called amylase that breaks the alpha bonds to release glucose ...