"See, the onion is a perennial bulb that lives in the ground with lots of critters who are looking for a snack," says Block. "So it has evolved a chemical defense system." That is to say, onions want ...

A reader left a voicemail asking: "Where can I get some good sweet onions that are not bitter ... like ones like you get at McDonald's." The short answer to finding onions short on bitterness is to ...

The onion, a humble root vegetable, is proving its strength outside the culinary world -- in an artificial muscle created from onion cells. Unlike previous artificial muscles, this one can either ...