Oh, we’ve all been there, wondering, How long is milk good for after the sell-by date? Let’s face it: Sell-by dates can be confusing, and they don’t necessarily indicate when food is spoiled. (It’s ...

Gilbert Bates was getting madder by the minute. The 31-year-old farmer was chewing the fat with a neighbor in November 1867.

Methane is a powerful greenhouse gas, and cows are a major source of it. A group of scientists is developing a proof of ...