Calories and kcal are used interchangeably and refer to the same amount of energy, but kilojoules require conversion. Usage may differ depending on where you live. Calories are a measure of energy.

This week's episode of The Penguin ended on a huge cliffhanger when Sofia Falcone tracked down Oz Cobb's beloved mother. You can read our full recap of "Gold Summit" here, but in this promo for ...