Even commonplace foods can have a bit of intrigue. For example, take sausages and their mysterious casings, that skin-like material that holds the meat and other ingredients together. Are they edible?

If Oktoberfest brings links to your plate, there’s more to know about the meat- and vegetable-based casings they’re stuffed into. By Katherine Kornei Humans have been making sausages for thousands of ...

Pieces of cheese are being stored in a container that's surrounded by loose plastic wrap. - Westend61/Getty Images Plastic cling wrap is a common sight in many domestic kitchens, being a largely ...