You think your tummy rumbles? Meet the ghost crab — it growls using teeth inside its stomach, and not because it’s feeling peckish! Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called ...

Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Food allergies or ...